Inventor · disambiguated record
Gary R. Schaeper
Also filed as: SCHAEPER GARY · SCHAEPER GARY R
14 granted patents·302 citations·filing 1980–2019
94Inventor score
Top patents by PatentIndex Score
14 records- 0190US7207382B2Shearing sealing ramSCHAEPER GARY R·Filed 2005·Granted Apr 24, 2007·48 cites·20 claims
- 0282US4458876AAnnular blowout preventerVENTRE CORP·Filed 1982·Granted Jul 10, 1984·62 cites·12 claims
- 0380US10961801B2Fracturing systems and methods with ramsCAMERON INT CORP·Filed 2019·Granted Mar 30, 2021·3 cites·20 claims
- 0473US9238950B2Blowout preventer with packer assembly and method of using sameNAT OILWELL VARCO LP·Filed 2014·Granted Jan 19, 2016·4 cites·23 claims
- 0573US8444109B2Blowout preventer translating shaft locking systemSCHAEPER GARY R·Filed 2011·Granted May 21, 2013·5 cites·26 claims
- 0658US5005802AVariable bore packer for a ram type blowout preventerCOOPER IND INC·Filed 1990·Granted Apr 9, 1991·34 cites·4 claims
- 0758US4602794AAnnular blowout preventer with upper and lower spherical sealing surfaces and rigid translation elementNL INDUSTRIES INC·Filed 1984·Granted Jul 29, 1986·22 cites·8 claims
- 0856US4283039AAnnular blowout preventer with upper and lower spherical sealing surfacesNL INDUSTRIES INC·Filed 1980·Granted Aug 11, 1981·21 cites·4 claims
- 0952US4580628ABlowout preventer stacks and method of tensioning stack tie rodsCAMERON IRON WORKS INC·Filed 1984·Granted Apr 8, 1986·18 cites·5 claims
- 1052US4438900ALocking mechanism for annular blowout preventerNL INDUSTRIES INC·Filed 1980·Granted Mar 27, 1984·19 cites·12 claims
- 1149US4579314AAnnular blowout preventerCAMERON IRON WORKS INC·Filed 1985·Granted Apr 1, 1986·19 cites·10 claims
- 1248US4460149AAnnular blowout preventer with upper and lower spherical sealing surfacesNL INDUSTRIES INC·Filed 1981·Granted Jul 17, 1984·16 cites·14 claims
- 1346US5165704ABlowout preventer bonnet seal carrierCOOPER IND INC·Filed 1992·Granted Nov 24, 1992·14 cites·7 claims
- 1445US4460150AAnnular blowout preventerCAMERON IRON WORKS INC·Filed 1981·Granted Jul 17, 1984·17 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →