Inventor · disambiguated record
Robert W. Simpson
Also filed as: SIMPSON ROBERT · SIMPSON ROBERT W
5 granted patents·1 pending application·63 citations·filing 1988–2016
77Inventor score
Top patents by PatentIndex Score
6 records- 0174US6030559AMethod for the continuous manufacture of plastic foamCELOTEX CORP·Filed 1998·Granted Feb 29, 2000·38 cites·20 claims
- 0261US9932720B2Excavator shearing implementSIMPSON ROBERT W·Filed 2016·Granted Apr 3, 2018·2 cites·19 claims
- 0349US6286580B1Sand reclamationFOSECO INT·Filed 1997·Granted Sep 11, 2001·17 cites·14 claims
- 0444US2010194007A1Novel filtration system for large cast iron castingsCRAIG DONALD B·Filed 2008·Application pending·0 cites
- 0529US5273092ADevice for storing and installing vehicular tire chainsSIMPSON ROBERT W·Filed 1992·Granted Dec 28, 1993·6 cites·4 claims
- 066US4877616AProcess for preparing xerosin II and xerosin III, improved biological response modifiersBOYLAN ELIZABETH S·Filed 1988·Granted Oct 31, 1989·0 cites·2 claims
Join the waitlist — get patent alerts
Get an alert when Robert W. Simpson 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 →