Inventor · disambiguated record

Robert D. Cruthis

Also filed as: CRUTHIS ROBERT D · CRUTHIS ROBERT DUANE

2 granted patents·49 citations·filing 1975–1980

62Inventor score

Technology areasB60P F24F

Files withCATERPILLAR TRACTOR CO2

Top patents by PatentIndex Score

2 records

0175US4365541AFilter arrangement for an air circulatory systemCATERPILLAR TRACTOR CO·Filed 1980·Granted Dec 28, 1982·43 cites·17 claims
0226US4044692ARailroad car vehicle stowing deviceCATERPILLAR TRACTOR CO·Filed 1975·Granted Aug 30, 1977·6 cites·12 claims

Join the waitlist — get patent alerts

Get an alert when Robert D. Cruthis 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 →