Inventor · disambiguated record
John H. Cohen
Also filed as: COHEN JOHN · COHEN JOHN H · JONES MARVIN R
13 granted patents·1 pending application·244 citations·filing 1977–2017
92Inventor score
Top patents by PatentIndex Score
14 records- 0184US5462077AApparatus and method for shutting off fluid flow in a pipe mainBROOKLYN UNION GAS CO·Filed 1994·Granted Oct 31, 1995·44 cites·34 claims
- 0275US7089778B2Modular gas measuring systemDRAEGER SAFETY AG & CO KGAA·Filed 2004·Granted Aug 15, 2006·16 cites·17 claims
- 0375US4632191ASteering system for percussion boring toolsGAS RES INST·Filed 1985·Granted Dec 30, 1986·49 cites·51 claims
- 0474US4621698APercussion boring toolGAS RES INST·Filed 1985·Granted Nov 11, 1986·46 cites·16 claims
- 0568US5624206AApparatus and method for supporting pipe main repair tools in an excavationBROOKLYN UNION GAS CO·Filed 1995·Granted Apr 29, 1997·28 cites·19 claims
- 0667US9322230B2Direct drive fluid pump for subsea mudlift pump drilling systemsTALAMO EMIL R·Filed 2012·Granted Apr 26, 2016·5 cites·5 claims
- 0765US8413722B2Method for circulating a fluid entry out of a subsurface wellbore without shutting in the wellboreCOHEN JOHN·Filed 2010·Granted Apr 9, 2013·3 cites·8 claims
- 0854US6012532AMethod and apparatus for prevention, suppression or mitigation of explosions in confined subterranean chambersFiled 1998·Granted Jan 11, 2000·21 cites·20 claims
- 0949US4949795ARotary rapid excavation systemGAS RES INST·Filed 1988·Granted Aug 21, 1990·19 cites·25 claims
- 1046US4152015ACasing hangerCAMERON IRON WORKS INC·Filed 1977·Granted May 1, 1979·13 cites·7 claims
- 1145US10053944B2Riser restrictor deviceENHANCED DRILLING AS·Filed 2014·Granted Aug 21, 2018·0 cites·7 claims
- 1244US8851181B2Method for circulating a fluid entry out of a subsurface wellbore without shutting in the wellboreAGR SUBSEA A S·Filed 2013·Granted Oct 7, 2014·0 cites·12 claims
- 1340US2016168925A1Method for installing an external line on a deployed drilling riserAGR SUBSEA A S·Filed 2014·Application pending·0 cites
- 1437US10480256B2Riser system for coupling selectable modules to the riserENHANCED DRILLING INC·Filed 2017·Granted Nov 19, 2019·0 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →