Inventor · disambiguated record
C. Donald Fisher
Also filed as: FISHER C DONALD
4 granted patents·41 citations·filing 1977–1985
75Inventor score
Top patents by PatentIndex Score
4 records- 0164US4725336ARefiner apparatus with integral steam separatorSWM CORP·Filed 1985·Granted Feb 16, 1988·16 cites·6 claims
- 0254US4253857AApparatus for separating an entrained solid from a gasKOPPERS CO INC·Filed 1979·Granted Mar 3, 1981·15 cites·8 claims
- 0326US4596137AMethod and apparatus for measuring the penetration of fluidsVISCOSITY OIL CO·Filed 1985·Granted Jun 24, 1986·6 cites·6 claims
- 0425US4133748AMaterial separatorKOPPERS CO INC·Filed 1977·Granted Jan 9, 1979·4 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when C. Donald Fisher 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 →