HYDROGEN ENGINE CENTER, INC. SEC filings

CIK 1272703

dateformdocument
2009-07-14SC 13Ghttps://www.sec.gov/Archives/edgar/data/1272703/0001193125-09-148472.txt
2009-05-1815-12Ghttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-09-027797.txt
2009-05-114https://www.sec.gov/Archives/edgar/data/1272703/0001144204-09-025321.txt
2009-05-078-Khttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-09-024734.txt
2009-04-30DEF 14Chttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-09-023248.txt
2009-04-08SC 13Dhttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-09-019600.txt
2009-03-3110-Khttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-09-017498.txt
2009-03-248-Khttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-09-015809.txt
2009-03-244https://www.sec.gov/Archives/edgar/data/1272703/0001144204-09-015970.txt
2009-02-258-Khttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-09-010866.txt
2009-02-254https://www.sec.gov/Archives/edgar/data/1272703/0001144204-09-010883.txt
2009-02-17SC 13D/Ahttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-09-008548.txt
2009-01-218-Khttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-09-002678.txt
2009-01-163https://www.sec.gov/Archives/edgar/data/1272703/0001144204-09-002267.txt
2009-01-124/Ahttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-09-001489.txt
2008-12-184https://www.sec.gov/Archives/edgar/data/1272703/0001144204-08-069983.txt
2008-12-018-K/Ahttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-08-067174.txt
2008-11-268-Khttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-08-066906.txt
2008-11-1410-Qhttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-08-064254.txt
2008-09-118-Khttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-08-052262.txt
2008-09-048-Khttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-08-051187.txt
2008-08-258-Khttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-08-049611.txt
2008-08-18424B3https://www.sec.gov/Archives/edgar/data/1272703/0001144204-08-048246.txt
2008-08-18424B3https://www.sec.gov/Archives/edgar/data/1272703/0001144204-08-048243.txt
2008-08-1410-Qhttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-08-047041.txt
2008-08-12REGDEXhttps://www.sec.gov/Archives/edgar/data/1272703/9999999997-08-035735.txt
2008-08-05EFFECThttps://www.sec.gov/Archives/edgar/data/1272703/9999999995-08-002419.txt
2008-08-01CORRESPhttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-08-043334.txt
2008-07-30UPLOADhttps://www.sec.gov/Archives/edgar/data/1272703/0000000000-08-038044.txt
2008-07-28S-1/Ahttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-08-041999.txt
2008-07-25CORRESPhttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-08-042002.txt
2008-07-238-Khttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-08-041347.txt
2008-07-2310KSB/Ahttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-08-041225.txt
2008-07-2310-Q/Ahttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-08-041227.txt
2008-07-18UPLOADhttps://www.sec.gov/Archives/edgar/data/1272703/0000000000-08-035860.txt
2008-07-188-Khttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-08-040694.txt
2008-07-17CORRESPhttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-08-040493.txt
2008-07-15CORRESPhttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-08-040050.txt
2008-07-09UPLOADhttps://www.sec.gov/Archives/edgar/data/1272703/0000000000-08-033882.txt
2008-07-09CORRESPhttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-08-039252.txt
2008-07-08S-1/Ahttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-08-038873.txt
2008-07-088-Khttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-08-039026.txt
2008-06-27REGDEXhttps://www.sec.gov/Archives/edgar/data/1272703/9999999997-08-030224.txt
2008-06-278-Khttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-08-037184.txt
2008-06-10UPLOADhttps://www.sec.gov/Archives/edgar/data/1272703/0000000000-08-028964.txt
2008-06-038-Khttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-08-033307.txt
2008-05-20S-1https://www.sec.gov/Archives/edgar/data/1272703/0001144204-08-031091.txt
2008-05-2010-Qhttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-08-031204.txt
2008-05-1910QSB/Ahttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-08-030727.txt
2008-05-1910QSB/Ahttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-08-030656.txt
2008-05-1910QSB/Ahttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-08-030645.txt
2008-05-15NT 10-Qhttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-08-029138.txt
2008-04-29DEF 14Ahttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-08-024781.txt
2008-04-188-Khttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-08-023265.txt
2008-04-1510KSBhttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-08-022474.txt
2008-03-31NT 10-Khttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-08-018722.txt
2008-03-198-Khttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-08-016256.txt
2008-03-178-Khttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-08-015599.txt
2008-02-228-Khttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-08-011289.txt
2008-02-135https://www.sec.gov/Archives/edgar/data/1272703/0001144204-08-008664.txt
2008-02-135https://www.sec.gov/Archives/edgar/data/1272703/0001144204-08-008660.txt
2008-02-135https://www.sec.gov/Archives/edgar/data/1272703/0001144204-08-008649.txt
2008-02-135https://www.sec.gov/Archives/edgar/data/1272703/0001144204-08-008633.txt
2008-02-135https://www.sec.gov/Archives/edgar/data/1272703/0001144204-08-008628.txt
2008-02-058-Khttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-08-006129.txt
2008-01-288-Khttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-08-004222.txt
2008-01-11UPLOADhttps://www.sec.gov/Archives/edgar/data/1272703/0000000000-08-001945.txt
2007-11-268-Khttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-07-064074.txt
2007-11-1410QSBhttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-07-061787.txt
2007-09-108-Khttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-07-048633.txt
2007-09-058-Khttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-07-047929.txt
2007-08-238-Khttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-07-045932.txt
2007-08-158-Khttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-07-044005.txt
2007-08-1410QSBhttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-07-043222.txt
2007-07-258-Khttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-07-038171.txt
2007-06-114https://www.sec.gov/Archives/edgar/data/1272703/0001144204-07-031335.txt
2007-06-114https://www.sec.gov/Archives/edgar/data/1272703/0001144204-07-031333.txt
2007-06-114https://www.sec.gov/Archives/edgar/data/1272703/0001144204-07-031331.txt
2007-06-068-Khttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-07-030461.txt
2007-06-018-Khttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-07-029739.txt
2007-05-238-Khttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-07-028170.txt
2007-05-1810QSBhttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-07-027350.txt
2007-05-16NT 10-Qhttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-07-026115.txt
2007-05-048-Khttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-07-022921.txt
2007-05-01DEF 14Ahttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-07-021850.txt
2007-04-274https://www.sec.gov/Archives/edgar/data/1272703/0001144204-07-021200.txt
2007-04-268-Khttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-07-020662.txt
2007-04-234https://www.sec.gov/Archives/edgar/data/1272703/0001336906-07-000001.txt
2007-04-17REGDEXhttps://www.sec.gov/Archives/edgar/data/1272703/9999999997-07-021621.txt
2007-04-1710KSBhttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-07-019307.txt
2007-04-058-Khttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-07-017443.txt
2007-04-038-Khttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-07-016756.txt
2007-04-02NT 10-Khttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-07-016425.txt
2007-03-233https://www.sec.gov/Archives/edgar/data/1272703/0001144204-07-014242.txt
2007-03-018-Khttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-07-010704.txt
2007-02-148-Khttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-07-008236.txt
2007-01-228-Khttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-07-002708.txt
2007-01-188-Khttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-07-002335.txt
2007-01-098-Khttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-07-001132.txt
2006-12-218-Khttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-06-053810.txt
2006-12-198-Khttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-06-053332.txt
2006-12-154https://www.sec.gov/Archives/edgar/data/1272703/0001336906-06-000004.txt
2006-12-118-Khttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-06-051945.txt
2006-11-304https://www.sec.gov/Archives/edgar/data/1272703/0001144204-06-050921.txt
2006-11-1710QSBhttps://www.sec.gov/Archives/edgar/data/1272703/0001144204-06-048652.txt
2006-11-15NT 10-Qhttps://www.sec.gov/Archives/edgar/data/1272703/0000931731-06-000246.txt
2006-11-148-Khttps://www.sec.gov/Archives/edgar/data/1272703/0000931731-06-000237.txt
2006-10-174https://www.sec.gov/Archives/edgar/data/1272703/0000931731-06-000225.txt
2006-10-16REGDEXhttps://www.sec.gov/Archives/edgar/data/1272703/9999999997-06-043280.txt
2006-10-164/Ahttps://www.sec.gov/Archives/edgar/data/1272703/0000931731-06-000220.txt
2006-10-164https://www.sec.gov/Archives/edgar/data/1272703/0000931731-06-000223.txt
2006-10-164https://www.sec.gov/Archives/edgar/data/1272703/0000931731-06-000222.txt
2006-10-163https://www.sec.gov/Archives/edgar/data/1272703/0000931731-06-000224.txt
2006-10-163https://www.sec.gov/Archives/edgar/data/1272703/0000931731-06-000221.txt
2006-10-134https://www.sec.gov/Archives/edgar/data/1272703/0000931731-06-000218.txt
2006-10-133https://www.sec.gov/Archives/edgar/data/1272703/0000931731-06-000219.txt
2006-10-124https://www.sec.gov/Archives/edgar/data/1272703/0000931731-06-000216.txt
2006-10-058-Khttps://www.sec.gov/Archives/edgar/data/1272703/0000931731-06-000214.txt
2006-09-298-Khttps://www.sec.gov/Archives/edgar/data/1272703/0000931731-06-000209.txt
2006-09-208-Khttps://www.sec.gov/Archives/edgar/data/1272703/0000931731-06-000201.txt
2006-08-31CORRESPhttps://www.sec.gov/Archives/edgar/data/1272703/0000931731-06-000194.txt
2006-08-308-Khttps://www.sec.gov/Archives/edgar/data/1272703/0000931731-06-000192.txt
2006-08-2510QSB/Ahttps://www.sec.gov/Archives/edgar/data/1272703/0000931731-06-000188.txt
2006-08-238-Khttps://www.sec.gov/Archives/edgar/data/1272703/0000931731-06-000186.txt
2006-08-1410QSBhttps://www.sec.gov/Archives/edgar/data/1272703/0000931731-06-000168.txt
2006-08-09UPLOADhttps://www.sec.gov/Archives/edgar/data/1272703/0000000000-06-037898.txt
2006-08-078-Khttps://www.sec.gov/Archives/edgar/data/1272703/0000931731-06-000149.txt
2006-07-068-Khttps://www.sec.gov/Archives/edgar/data/1272703/0000931731-06-000141.txt
2006-06-234https://www.sec.gov/Archives/edgar/data/1272703/0000931731-06-000134.txt
2006-06-234https://www.sec.gov/Archives/edgar/data/1272703/0000931731-06-000133.txt
2006-06-16REGDEX/Ahttps://www.sec.gov/Archives/edgar/data/1272703/9999999997-06-027823.txt
2006-06-128-Khttps://www.sec.gov/Archives/edgar/data/1272703/0000931731-06-000124.txt
2006-05-238-Khttps://www.sec.gov/Archives/edgar/data/1272703/0000931731-06-000116.txt
2006-05-1910QSBhttps://www.sec.gov/Archives/edgar/data/1272703/0000931731-06-000108.txt
2006-05-15NT 10-Qhttps://www.sec.gov/Archives/edgar/data/1272703/0000931731-06-000097.txt
2006-05-118-Khttps://www.sec.gov/Archives/edgar/data/1272703/0000931731-06-000095.txt
2006-05-01DEF 14Ahttps://www.sec.gov/Archives/edgar/data/1272703/0000931731-06-000093.txt
2006-04-21PRE 14Ahttps://www.sec.gov/Archives/edgar/data/1272703/0000931731-06-000087.txt
2006-03-3110KSBhttps://www.sec.gov/Archives/edgar/data/1272703/0000931731-06-000066.txt
2006-02-248-Khttps://www.sec.gov/Archives/edgar/data/1272703/0000931731-06-000030.txt
2006-02-14SC 13Dhttps://www.sec.gov/Archives/edgar/data/1272703/0000931731-06-000018.txt
2006-02-145https://www.sec.gov/Archives/edgar/data/1272703/0000931731-06-000015.txt
2006-02-063/Ahttps://www.sec.gov/Archives/edgar/data/1272703/0000931731-06-000013.txt
2006-02-063/Ahttps://www.sec.gov/Archives/edgar/data/1272703/0000931731-06-000012.txt
2006-02-063/Ahttps://www.sec.gov/Archives/edgar/data/1272703/0000931731-06-000011.txt
2006-01-313https://www.sec.gov/Archives/edgar/data/1272703/0000931731-06-000008.txt
2006-01-308-Khttps://www.sec.gov/Archives/edgar/data/1272703/0000931731-06-000006.txt
2006-01-208-Khttps://www.sec.gov/Archives/edgar/data/1272703/0000931731-06-000004.txt
2005-12-288-Khttps://www.sec.gov/Archives/edgar/data/1272703/0000931731-05-000272.txt
2005-12-218-Khttps://www.sec.gov/Archives/edgar/data/1272703/0000931731-05-000267.txt
2005-12-058-Khttps://www.sec.gov/Archives/edgar/data/1272703/0000931731-05-000257.txt
2005-11-2110QSBhttps://www.sec.gov/Archives/edgar/data/1272703/0000931731-05-000244.txt
2005-11-15NT 10-Qhttps://www.sec.gov/Archives/edgar/data/1272703/0000931731-05-000223.txt
2005-10-17REGDEX/Ahttps://www.sec.gov/Archives/edgar/data/1272703/9999999997-05-042857.txt
2005-10-178-Khttps://www.sec.gov/Archives/edgar/data/1272703/0000931731-05-000196.txt
2005-10-12REGDEX/Ahttps://www.sec.gov/Archives/edgar/data/1272703/9999999997-05-042170.txt
2005-10-114https://www.sec.gov/Archives/edgar/data/1272703/0000931731-05-000193.txt
2005-09-278-Khttps://www.sec.gov/Archives/edgar/data/1272703/0000931731-05-000184.txt
2005-09-153https://www.sec.gov/Archives/edgar/data/1272703/0000931731-05-000178.txt
2005-09-093https://www.sec.gov/Archives/edgar/data/1272703/0000931731-05-000174.txt
2005-09-093https://www.sec.gov/Archives/edgar/data/1272703/0000931731-05-000173.txt
2005-09-093https://www.sec.gov/Archives/edgar/data/1272703/0000931731-05-000172.txt
2005-09-093https://www.sec.gov/Archives/edgar/data/1272703/0000931731-05-000171.txt
2005-09-078-K/Ahttps://www.sec.gov/Archives/edgar/data/1272703/0000931731-05-000170.txt
2005-09-068-K/Ahttps://www.sec.gov/Archives/edgar/data/1272703/0000931731-05-000169.txt
2005-08-318-Khttps://www.sec.gov/Archives/edgar/data/1272703/0000931731-05-000167.txt
2005-08-18REGDEXhttps://www.sec.gov/Archives/edgar/data/1272703/9999999997-05-036168.txt
2005-08-1110QSBhttps://www.sec.gov/Archives/edgar/data/1272703/0000931731-05-000146.txt
2005-08-01DEF 14Chttps://www.sec.gov/Archives/edgar/data/1272703/0000931731-05-000142.txt
2005-07-12PRE 14Chttps://www.sec.gov/Archives/edgar/data/1272703/0000931731-05-000130.txt
2005-07-128-Khttps://www.sec.gov/Archives/edgar/data/1272703/0000931731-05-000131.txt
2005-06-098-Khttps://www.sec.gov/Archives/edgar/data/1272703/0000931731-05-000118.txt
2005-05-1110QSBhttps://www.sec.gov/Archives/edgar/data/1272703/0000931731-05-000083.txt
2005-03-3110KSBhttps://www.sec.gov/Archives/edgar/data/1272703/0000931731-05-000059.txt
2004-11-1510QSBhttps://www.sec.gov/Archives/edgar/data/1272703/0000931731-04-000346.txt
2004-08-1910QSBhttps://www.sec.gov/Archives/edgar/data/1272703/0000931731-04-000209.txt
2004-08-17NT 10-Qhttps://www.sec.gov/Archives/edgar/data/1272703/0000931731-04-000201.txt
2004-05-1210QSBhttps://www.sec.gov/Archives/edgar/data/1272703/0000931731-04-000134.txt
2004-03-1810SB12G/Ahttps://www.sec.gov/Archives/edgar/data/1272703/0000931731-04-000077.txt
2004-03-0310SB12G/Ahttps://www.sec.gov/Archives/edgar/data/1272703/0000931731-04-000047.txt
2004-01-0810SB12Ghttps://www.sec.gov/Archives/edgar/data/1272703/0001097630-04-000002.txt

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