Inventor · disambiguated record
James R. Zachman
Also filed as: ZACHMAN JAMES · ZACHMAN JAMES R · ZACHMAN JAMES RONALD
11 granted patents·2 pending applications·608 citations·filing 1984–2011
92Inventor score
Top patents by PatentIndex Score
13 records- 0194US6983796B2Method of providing hydraulic/fiber conduits adjacent bottom hole assemblies for multi-step completionsBAKER HUGHES INC·Filed 2001·Granted Jan 10, 2006·273 cites·20 claims
- 0292US7431085B2Gravel pack multi-pathway tube with control line retention and method for retaining control lineBAKER HUGHES INC·Filed 2006·Granted Oct 7, 2008·42 cites·12 claims
- 0389US6702020B2Crossover ToolBAKER HUGHES INC·Filed 2002·Granted Mar 9, 2004·99 cites·22 claims
- 0488US7584799B2Gravel pack multi-pathway tube with control line retention and method for retaining control lineBAKER HUGHES INC·Filed 2008·Granted Sep 8, 2009·28 cites·17 claims
- 0585US4541484ACombination gravel packing device and methodBAKER OIL TOOLS INC·Filed 1984·Granted Sep 17, 1985·66 cites·10 claims
- 0680US8631863B2Snap mount annular debris barrierHECKEL DONALD T·Filed 2011·Granted Jan 21, 2014·8 cites·16 claims
- 0770US8794313B2Annular gap debris barrierHECKEL DONALD T·Filed 2011·Granted Aug 5, 2014·4 cites·14 claims
- 0870US5462121AFailsafe liner installation assembly and methodBAKER HUGHES INC·Filed 1994·Granted Oct 31, 1995·49 cites·32 claims
- 0959US5360069AFailsafe liner installation assembly and methodBAKER HUGHES INC·Filed 1993·Granted Nov 1, 1994·31 cites·48 claims
- 1056US8678084B2Reorienting annular debris barrierHECKEL DONALD T·Filed 2011·Granted Mar 25, 2014·1 cites·14 claims
- 1147US2007069173A1High pressure ball valve seal assemblyZACHMAN JAMES R·Filed 2006·Application pending·0 cites
- 1243US7373979B2Workstring and a method for gravel packingBAKER HUGHES INC·Filed 2004·Granted May 20, 2008·7 cites·20 claims
- 1333US2003168221A1Control line retaining deviceFiled 2002·Application pending·0 cites
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