Inventor · disambiguated record
Wallace Clark
Also filed as: CLARK WALLACE
12 granted patents·208 citations·filing 1974–1991
92Inventor score
Top patents by PatentIndex Score
12 records- 0191US4187918ADown-hole earth drilling motor capable of free circulationCLARK WALLACE·Filed 1978·Granted Feb 12, 1980·42 cites·12 claims
- 0276US3932072AMoineau pump with rotating outer memberCLARK WALLACE·Filed 1974·Granted Jan 13, 1976·25 cites·4 claims
- 0371US5133016AHearing aid with replaceable drying agentCLARK WALLACE·Filed 1991·Granted Jul 21, 1992·49 cites·8 claims
- 0465US3951097AHydraulic motor or pumpCLARK WALLACE·Filed 1975·Granted Apr 20, 1976·10 cites·23 claims
- 0562US4059165AVersatile fluid motor and pumpCLARK WALLACE·Filed 1976·Granted Nov 22, 1977·24 cites·37 claims
- 0656US4339007AProgressing cavity motor governing systemONCOR CORP·Filed 1980·Granted Jul 13, 1982·15 cites·20 claims
- 0745US4311443AMotor/pump transmission construction for a Moineau type apparatusONCOR CORP·Filed 1979·Granted Jan 19, 1982·12 cites·3 claims
- 0839US4320929ASealed bearing system for hydraulically operated devicesONCOR CORP·Filed 1980·Granted Mar 23, 1982·10 cites·15 claims
- 0939US4221552AHydraulic motor with variable speedCLARK WALLACE·Filed 1978·Granted Sep 9, 1980·6 cites·8 claims
- 1038US4912759ADevice for selectively depressing a telephone switchCLARK WALLACE·Filed 1989·Granted Mar 27, 1990·5 cites·17 claims
- 1137US3965870AMethod of operating an internal combustion engine with solvent refined coal as a fuelCLARK WALLACE·Filed 1975·Granted Jun 29, 1976·5 cites·5 claims
- 1233US4051910ATwo way earth boring fluid motorCLARK WALLACE·Filed 1975·Granted Oct 4, 1977·5 cites·9 claims
Join the waitlist — get patent alerts
Get an alert when Wallace Clark files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →