Inventor · disambiguated record
Charles R. Kirby
Also filed as: KIRBY CHARLES R · KIRBY CHARLES RAY · SEFTON VERNER B
6 granted patents·100 citations·filing 1973–2004
84Inventor score
Top patents by PatentIndex Score
6 records- 0182US3964901AProduction of copper and sulfur from copper-iron sulfidesSHERRITT GORDON MINES LTD·Filed 1973·Granted Jun 22, 1976·25 cites·28 claims
- 0277US4049770ARecovery of copper and zinc as sulfides from copper-iron sulfidesSHERRITT GORDON MINES LTD·Filed 1976·Granted Sep 20, 1977·18 cites·3 claims
- 0373US4193970AProcess for the precipitation of iron as jarositeCOMINCO LTD·Filed 1978·Granted Mar 18, 1980·19 cites·3 claims
- 0458US5411434APoultry shoulder and breast severing machineKAYS ENGINEERING·Filed 1992·Granted May 2, 1995·21 cites·18 claims
- 0557US4286966AProcess for the melting of sulfurCOMINCO LTD·Filed 1980·Granted Sep 1, 1981·12 cites·15 claims
- 0641USD501910SDouble fishing pole holder with carrying handleFiled 2004·Granted Feb 15, 2005·5 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Charles R. Kirby 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 →