Inventor · disambiguated record
Richard Sonnenfeld
Also filed as: SONNENFELD RICHARD · SONNENFELD RICHARD J · TREPKA WILLIAM J
4 granted patents·112 citations·filing 1979–2020
77Inventor score
Top patents by PatentIndex Score
4 records- 0190US4238202AHydrocarbon fuels with carburetor detergent propertiesPHILLIPS PETROLEUM CO·Filed 1979·Granted Dec 9, 1980·42 cites·46 claims
- 0282US4311803AContinuous solution polymerization processPHILLIPS PETROLEUM CO·Filed 1980·Granted Jan 19, 1982·31 cites·24 claims
- 0375US4800274AHigh resolution atomic force microscopeUNIV CALIFORNIA·Filed 1987·Granted Jan 24, 1989·39 cites·3 claims
- 0455US11971438B2Antenna for use with lightning detection sensorEARTH NETWORKS INC·Filed 2020·Granted Apr 30, 2024·0 cites·16 claims
Join the waitlist — get patent alerts
Get an alert when Richard Sonnenfeld 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 →