Inventor · disambiguated record
Thomas R. Bishop
Also filed as: BISHOP THOMAS · BISHOP THOMAS R
20 granted patents·638 citations·filing 1975–2000
96Inventor score
Files withBOWEN TOOLS INC13HICKORY SPRINGS MFG CO2PLIANT PLASTICS CORP2BISHOP THOMAS R1GUNSTOCK AREA1
Top patents by PatentIndex Score
20 records- 0194US4225265AInterlocking bed frame membersHICKORY SPRINGS MFG CO·Filed 1978·Granted Sep 30, 1980·83 cites·14 claims
- 0287US4027816ASeal assemblyBOWEN TOOLS INC·Filed 1975·Granted Jun 7, 1977·42 cites·3 claims
- 0380US4076436AStress relieved tool elementsBOWEN TOOLS INC·Filed 1976·Granted Feb 28, 1978·46 cites·6 claims
- 0479US5083662AKey coverPLIANT PLASTICS CORP·Filed 1991·Granted Jan 28, 1992·46 cites·14 claims
- 0577US3955634AHydraulic well jarBOWEN TOOLS INC·Filed 1975·Granted May 11, 1976·43 cites·15 claims
- 0674US4877217AFail-safe blowout preventerBOWEN TOOLS INC·Filed 1988·Granted Oct 31, 1989·46 cites·20 claims
- 0770US5181605AKey coverPLIANT PLASTICS CORP·Filed 1991·Granted Jan 26, 1993·40 cites·18 claims
- 0868US4398729ABlowout preventer inner ram seal assemblyBOWEN TOOLS INC·Filed 1982·Granted Aug 16, 1983·34 cites·13 claims
- 0967US6516543B1Snow grooming apparatus and systemGUNSTOCK AREA·Filed 2000·Granted Feb 11, 2003·23 cites·20 claims
- 1066US3987858AHydromechanical drilling jarBOWEN TOOLS INC·Filed 1975·Granted Oct 26, 1976·28 cites·4 claims
- 1163US4648447ACasing scraperBOWEN TOOLS INC·Filed 1985·Granted Mar 10, 1987·34 cites·13 claims
- 1263US4456215AInner seal and support rod assembly for high pressure blowout preventersBOWEN TOOLS INC·Filed 1982·Granted Jun 26, 1984·31 cites·13 claims
- 1360US4369977ASeal for an overshot and a method of doing sameBOWEN TOOLS INC·Filed 1980·Granted Jan 25, 1983·25 cites·10 claims
- 1459US4439167AShock absorber assemblyBOWEN TOOLS INC·Filed 1982·Granted Mar 27, 1984·26 cites·7 claims
- 1547US4331006AShock absorber assemblyBOWEN TOOLS INC·Filed 1980·Granted May 25, 1982·15 cites·11 claims
- 1646US5054833AReleasable overshotZIRGER HERSCHEL E·Filed 1990·Granted Oct 8, 1991·29 cites·3 claims
- 1741US4386871AInterlocking bed frame membersHICKORY SPRINGS MFG CO·Filed 1980·Granted Jun 7, 1983·11 cites·6 claims
- 1839US4706745ALock-down releasing spear assemblyBOWEN TOOLS INC·Filed 1986·Granted Nov 17, 1987·16 cites·8 claims
- 1939US4387885AShock absorber assembly for absorbing shocks encountered by a drill stringBOWEN TOOLS INC·Filed 1982·Granted Jun 14, 1983·11 cites·11 claims
- 2037US5840274ADeflation resistant tire and insert apparatusBISHOP THOMAS R·Filed 1995·Granted Nov 24, 1998·9 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →