Individual holder
ALSENZ RICHARD H
24 granted patents·1,443 citations·filing 1977–1993
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
24 records- 0198US5265434AMethod and apparatus for controlling capacity of a multiple-stage cooling systemALSENZ RICHARD H·Filed 1990·Granted Nov 30, 1993·162 cites·26 claims
- 0296US5115644AMethod and apparatus for condensing and subcooling refrigerantALSENZ RICHARD H·Filed 1990·Granted May 26, 1992·120 cites·9 claims
- 0396US4651535APulse controlled solenoid valveALSENZ RICHARD H·Filed 1984·Granted Mar 24, 1987·75 cites·31 claims
- 0495US4831832AMethod and apparatus for controlling capacity of multiple compressors refrigeration systemALSENZ RICHARD H·Filed 1987·Granted May 23, 1989·98 cites·13 claims
- 0595US4686835APulse controlled solenoid valve with low ambient start-up meansALSENZ RICHARD H·Filed 1986·Granted Aug 18, 1987·79 cites·4 claims
- 0694US5035119AApparatus for monitoring solenoid expansion valve flow ratesALSENZ RICHARD H·Filed 1986·Granted Jul 30, 1991·98 cites·23 claims
- 0793US4735060APulse controlled solenoid valve with food detectionALSENZ RICHARD H·Filed 1986·Granted Apr 5, 1988·70 cites·4 claims
- 0890US4697431ARefrigeration system having periodic flush cyclesALSENZ RICHARD H·Filed 1986·Granted Oct 6, 1987·77 cites·18 claims
- 0989US5392612ARefrigeration system having a self adjusting control rangeALSENZ RICHARD H·Filed 1993·Granted Feb 28, 1995·65 cites·13 claims
- 1089US4537038AMethod and apparatus for controlling pressure in a single compressor refrigeration systemALSENZ RICHARD H·Filed 1982·Granted Aug 27, 1985·56 cites·7 claims
- 1188US5191643AMethod and apparatus for refrigeration control and displayALSENZ RICHARD H·Filed 1990·Granted Mar 2, 1993·86 cites·20 claims
- 1288US5079929AMulti-stage refrigeration apparatus and methodALSENZ RICHARD H·Filed 1990·Granted Jan 14, 1992·64 cites·21 claims
- 1386US5067326AMethod and apparatus for controlling capacity of a multiple-stage cooling systemALSENZ RICHARD H·Filed 1990·Granted Nov 26, 1991·72 cites·13 claims
- 1483US4679404ATemperature responsive compressor pressure control apparatus and methodALSENZ RICHARD H·Filed 1986·Granted Jul 14, 1987·55 cites·34 claims
- 1582US4612776AMethod and apparatus for controlling capacity of a multiple-stage cooling systemALSENZ RICHARD H·Filed 1981·Granted Sep 23, 1986·44 cites·24 claims
- 1681US4593533AMethod and apparatus for detecting and controlling the formation of ice or frostALSENZ RICHARD H·Filed 1977·Granted Jun 10, 1986·40 cites·18 claims
- 1774US4535602AShift logic control apparatus for unequal capacity compressors in a refrigeration systemALSENZ RICHARD H·Filed 1983·Granted Aug 20, 1985·34 cites·6 claims
- 1872US4578959AMethod and apparatus for detecting and controlling the formation of ice or frostALSENZ RICHARD H·Filed 1985·Granted Apr 1, 1986·28 cites·23 claims
- 1965US4628700ATemperature optimizer control apparatus and methodALSENZ RICHARD H·Filed 1985·Granted Dec 16, 1986·30 cites·31 claims
- 2064US4825662ATemperature responsive compressor pressure control apparatus and methodALSENZ RICHARD H·Filed 1987·Granted May 2, 1989·29 cites·11 claims
- 2153US4531376ARefrigerator defrost controlALSENZ RICHARD H·Filed 1981·Granted Jul 30, 1985·18 cites·28 claims
- 2252US5157931ARefrigeration method and apparatus utilizing an expansion engineALSENZ RICHARD H·Filed 1990·Granted Oct 27, 1992·18 cites·13 claims
- 2346US5347823ARefrigeration system utilizing an enthalpy expansion jet compressorALSENZ RICHARD H·Filed 1992·Granted Sep 20, 1994·12 cites·9 claims
- 2446US4183223AMethod and apparatus for signal transmission in refrigeration unitsALSENZ RICHARD H·Filed 1978·Granted Jan 15, 1980·13 cites·34 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →