Inventor · disambiguated record
William L. Brakhage, Jr.
Also filed as: BRAKHAGE JR WILLIAM L
4 granted patents·189 citations·filing 1981–1984
81Inventor score
Technology areasE21B
Top patents by PatentIndex Score
4 records- 0183US4437643ARam-type blowout preventerCAMERON IRON WORKS INC·Filed 1981·Granted Mar 20, 1984·67 cites·5 claims
- 0282US4577694APermanent lock open toolBAKER OIL TOOLS INC·Filed 1983·Granted Mar 25, 1986·62 cites·20 claims
- 0367US4475598ABall valve actuating mechanismBAKER OIL TOOLS INC·Filed 1982·Granted Oct 9, 1984·37 cites·18 claims
- 0453US4569397ABall valve actuating mechanismBAKER OIL TOOLS INC·Filed 1984·Granted Feb 11, 1986·23 cites·2 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →