Inventor · disambiguated record
Herman O. Henderson, Jr.
Also filed as: HENDERSON HERMAN O · HENDERSON HERMAN O JR · HENDERSON JR HERMAN O
13 granted patents·569 citations·filing 1982–1994
94Inventor score
Top patents by PatentIndex Score
13 records- 0191US4540053ABreech block hanger support well completion methodSMITH INTERNATIONAL·Filed 1983·Granted Sep 10, 1985·89 cites·10 claims
- 0287US5456314AWellhead annulus sealVETCO GRAY INC ABB·Filed 1994·Granted Oct 10, 1995·110 cites·15 claims
- 0385US4807705ACasing hanger with landing shoulder seal insertCAMERON IRON WORKS INC·Filed 1987·Granted Feb 28, 1989·76 cites·15 claims
- 0484US4488740ABreech block hanger supportSMITH INTERNATIONAL·Filed 1982·Granted Dec 18, 1984·55 cites·51 claims
- 0579US4591296ATemporary guide base retrieval method and apparatusSMITH INTERNATIONAL·Filed 1983·Granted May 27, 1986·33 cites·15 claims
- 0675US4453566AHydraulic subsea control system with disconnectKOOMEY INC·Filed 1982·Granted Jun 12, 1984·39 cites·6 claims
- 0761US5360063AWear bushing with locking colletVETCO GRAY INC ABB·Filed 1992·Granted Nov 1, 1994·36 cites·17 claims
- 0859US5029647ASubsea wellhead stabilizationVETCO GRAY INC·Filed 1990·Granted Jul 9, 1991·34 cites·9 claims
- 0951US5199495ASplit wear bushing for a drilling rigVETCO GRAY INC ABB·Filed 1991·Granted Apr 6, 1993·25 cites·28 claims
- 1050US4919460AWellhead casing hanger support mechanismVETCO GRAY INC·Filed 1989·Granted Apr 24, 1990·20 cites·5 claims
- 1144US4978147AElastomeric lockdown and shearout deviceVETCO GRAY INC·Filed 1990·Granted Dec 18, 1990·24 cites·6 claims
- 1241US5350017AElastomeric seal with reinforcing ringVETCO GRAY INC ABB·Filed 1993·Granted Sep 27, 1994·15 cites·18 claims
- 1339US5226478ACement port closure sleeve for a subsea wellVETCO GRAY INC ABB·Filed 1992·Granted Jul 13, 1993·13 cites·19 claims
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