Inventor · disambiguated record
Joseph C. Trinkwalder, Jr.
Also filed as: TRINKWALDER JOSEPH C · TRINKWALDER JR JOSEPH C
12 granted patents·256 citations·filing 1975–1988
92Inventor score
Top patents by PatentIndex Score
12 records- 0193US4226257AScuba regulatorSHERWOOD SELPAC CORP·Filed 1978·Granted Oct 7, 1980·68 cites·2 claims
- 0277US4360038AMagnetically-operated valveSHERWOOD SELPAC CORP·Filed 1980·Granted Nov 23, 1982·32 cites·6 claims
- 0375US4491149APressure regulator with over-pressure safety shut-off featureSHERWOOD SELPAC CORP·Filed 1983·Granted Jan 1, 1985·29 cites·5 claims
- 0471US4356820AHeat reclaimer for demand regulatorSHERWOOD SELPAC CORP·Filed 1980·Granted Nov 2, 1982·25 cites·10 claims
- 0569US4462417AValve assemblySHERWOOD SELPAC CORP·Filed 1982·Granted Jul 31, 1984·23 cites·5 claims
- 0668US4372343APressure-retaining valve and method of retaining pressureSHERWOOD SELPAC CORP·Filed 1981·Granted Feb 8, 1983·22 cites·13 claims
- 0766USD285332SGauge valveSHERWOOD SELPAC CORP·Filed 1983·Granted Aug 26, 1986·9 cites·1 claims
- 0866US3991785AFlow regulator valveSHERWOOD SELPAC CORP·Filed 1975·Granted Nov 16, 1976·19 cites·7 claims
- 0952USD311788SValve for scuba equipment or the likeHARSCO CORP·Filed 1988·Granted Oct 30, 1990·6 cites·1 claims
- 1052US4335734AFloat warning deviceSHERWOOD SELPAC CORP·Filed 1979·Granted Jun 22, 1982·11 cites·22 claims
- 1148USD314904SHandle for scuba equipment valve or the likeHARSCO CORP·Filed 1988·Granted Feb 26, 1991·5 cites·1 claims
- 1243US4152848ALife support training deviceSHERWOOD SELPAC CORP·Filed 1978·Granted May 8, 1979·7 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →