Inventor · disambiguated record
R. Fred Pfost
Also filed as: PFOST R FRED
11 granted patents·1,055 citations·filing 1975–1993
94Inventor score
Top patents by PatentIndex Score
11 records- 0197US5104621AAutomated multi-purpose analytical chemistry processing center and laboratory work stationBECKMAN INSTRUMENTS INC·Filed 1989·Granted Apr 14, 1992·398 cites·36 claims
- 0296US5125748AOptical detection module for use in an automated laboratory work stationBECKMAN INSTRUMENTS INC·Filed 1991·Granted Jun 30, 1992·184 cites·19 claims
- 0393US5108703AAutomated multi-purpose analytical chemistry processing center and laboratory work stationBECKMAN INSTRUMENTS INC·Filed 1991·Granted Apr 28, 1992·172 cites·9 claims
- 0491US4335857AWeb aligning systemNEWELL RESEARCH CORP·Filed 1980·Granted Jun 22, 1982·43 cites·13 claims
- 0590US4380032ATape system with optically contrasting data marksNEWELL RESEARCH CORP·Filed 1980·Granted Apr 12, 1983·52 cites·14 claims
- 0687US5369566AUser programmable controlBECKMAN INSTRUMENTS INC·Filed 1992·Granted Nov 29, 1994·79 cites·5 claims
- 0775US4790183AAcoustic impedance system for liquid boundary level detectionBECKMAN INSTRUMENTS INC·Filed 1987·Granted Dec 13, 1988·39 cites·21 claims
- 0871US4024379ABinary system for magnetic card actuation for laundry machinesSERVICE DISTRIBUTORS INC·Filed 1975·Granted May 17, 1977·28 cites·15 claims
- 0966US4331993AWeb cleaning apparatusNEWELL RESEARCH CORP·Filed 1980·Granted May 25, 1982·13 cites·3 claims
- 1062US5401215ABilliard ball aiming systemFiled 1993·Granted Mar 28, 1995·32 cites·7 claims
- 1143US5299983ADouble action variable force pool cuePFOST R FRED·Filed 1993·Granted Apr 5, 1994·15 cites·23 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →