Inventor · disambiguated record
Raymond Frey
Also filed as: FREY RAYMOND · FREY RAYMOND A
10 granted patents·151 citations·filing 1975–1990
90Inventor score
Top patents by PatentIndex Score
10 records- 0181US3994585AOpto-electrical measuring apparatus for determining the relative hemoglobin content of an illuminated solution by evaluating its light absorptionCONTRAVES AG·Filed 1975·Granted Nov 30, 1976·34 cites·7 claims
- 0266US4915515ARotational bearing arrangement for high rotational speedsRIETER AG MASCHF·Filed 1988·Granted Apr 10, 1990·26 cites·10 claims
- 0356US4290772AReducing light scatter in photometric measurements involving suspended particlesCONTRAVES AG·Filed 1979·Granted Sep 22, 1981·13 cites·5 claims
- 0450US4969754ARotational bearing arrangement for high speeds of rotationRIETER AG MASCHF·Filed 1989·Granted Nov 13, 1990·16 cites·8 claims
- 0547US5125153AMethod of making a hybrid electronic arrayCONTRAVES AG·Filed 1990·Granted Jun 30, 1992·24 cites·28 claims
- 0644US4221324ACentrifuge with variable angle of attackFREY RAYMOND·Filed 1978·Granted Sep 9, 1980·10 cites·4 claims
- 0742US4206504AMethod of analyzing a measuring liquid as a function of a preparatory state of a sample contained in the measuring liquidCONTRAVES AG·Filed 1979·Granted Jun 3, 1980·8 cites·5 claims
- 0839US4215309AHigh efficiency switching circuitFREY RAYMOND A·Filed 1977·Granted Jul 29, 1980·6 cites·48 claims
- 0936US4314346AAuxiliary apparatus for a particle analyserCONTRAVES AG·Filed 1980·Granted Feb 2, 1982·7 cites·1 claims
- 1025US4309757AMethod for classification of signals by comparison with an automatically determined thresholdCONTRAVES LTD·Filed 1979·Granted Jan 5, 1982·7 cites·10 claims
Join the waitlist — get patent alerts
Get an alert when Raymond Frey 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 →