Assignee
AMERICAN GAS ASS
17 granted patents·290 citations·filing 1972–1996
Top patents by PatentIndex Score
17 records- 0189US4151191ASulfur resistant molybdenum catalysts for methanationAMERICAN GAS ASS·Filed 1977·Granted Apr 24, 1979·29 cites·7 claims
- 0284US3973056AInhibition of stress-corrosion cracking of steel pipelineAMERICAN GAS ASS·Filed 1974·Granted Aug 3, 1976·52 cites·20 claims
- 0379US4009321AHigh temperature fuel cell electrolyteAMERICAN GAS ASS·Filed 1972·Granted Feb 22, 1977·23 cites·1 claims
- 0476US5658139ALow NOX burnerAMERICAN GAS ASS·Filed 1996·Granted Aug 19, 1997·31 cites·4 claims
- 0576US5236327ALow NOx burnerAMERICAN GAS ASS·Filed 1992·Granted Aug 17, 1993·29 cites·9 claims
- 0665US4132672AMethanation catalystAMERICAN GAS ASS·Filed 1977·Granted Jan 2, 1979·17 cites·1 claims
- 0758US3939257AProcess for producing hydrogen from waterAMERICAN GAS ASS·Filed 1973·Granted Feb 17, 1976·10 cites·15 claims
- 0857US3953575AIron oxide sorbents for regenerative sorption of NoxAMERICAN GAS ASS·Filed 1973·Granted Apr 27, 1976·17 cites·3 claims
- 0955US4395911AMethod and apparatus for precise determination of girth weld defectsAMERICAN GAS ASS·Filed 1981·Granted Aug 2, 1983·17 cites·10 claims
- 1050US4708635APulse combustion apparatus and methodAMERICAN GAS ASS·Filed 1986·Granted Nov 24, 1987·14 cites·32 claims
- 1143US3998942AProcess for producing hydrogen and oxygen from waterAMERICAN GAS ASS·Filed 1974·Granted Dec 21, 1976·6 cites·12 claims
- 1242US4685510APulse combustion engine and heat transfer systemAMERICAN GAS ASS·Filed 1986·Granted Aug 11, 1987·11 cites·16 claims
- 1342US4075313AProcess for producing hydrogen and oxygen from waterAMERICAN GAS ASS·Filed 1976·Granted Feb 21, 1978·6 cites·17 claims
- 1439US5460513ALow NOx burnerAMERICAN GAS ASS·Filed 1994·Granted Oct 24, 1995·8 cites·5 claims
- 1535US4752209APulse combustion burner feed valveAMERICAN GAS ASS·Filed 1987·Granted Jun 21, 1988·7 cites·15 claims
- 1630US4574745ACompact pulse combustion burner with enhanced heat transferAMERICAN GAS ASS·Filed 1984·Granted Mar 11, 1986·8 cites·6 claims
- 1727US4730990APulse combustion engine and heat transfer systemAMERICAN GAS ASS·Filed 1987·Granted Mar 15, 1988·5 cites·17 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →