Assignee
MCQUAY PERFEX INC
US·14 granted patents·516 citations·filing 1971–1981
Top patents by PatentIndex Score
14 records- 0196US4136528ARefrigeration system subcooling controlMCQUAY PERFEX INC·Filed 1977·Granted Jan 30, 1979·106 cites·23 claims
- 0295US4193781AHead pressure control for heat reclaim refrigeration systemsMCQUAY PERFEX INC·Filed 1978·Granted Mar 18, 1980·91 cites·13 claims
- 0388US4356703ARefrigeration defrost controlMCQUAY PERFEX INC·Filed 1980·Granted Nov 2, 1982·68 cites·8 claims
- 0483US4392417AVariable dead band pressure control systemMCQUAY PERFEX INC·Filed 1980·Granted Jul 12, 1983·48 cites·3 claims
- 0579US4363596AMethod and apparatus for surge detection and control in centrifugal gas compressorsMCQUAY PERFEX INC·Filed 1980·Granted Dec 14, 1982·40 cites·2 claims
- 0676US4236577ASeparately removable tubes in heavy duty heat exchanger assembliesMCQUAY PERFEX INC·Filed 1978·Granted Dec 2, 1980·45 cites·2 claims
- 0763US4091637AElectric defrost heater for fin and tube refrigeration heat exchangerMCQUAY PERFEX INC·Filed 1976·Granted May 30, 1978·19 cites·5 claims
- 0862US4257318AVariable dead band pressure control systemMCQUAY PERFEX INC·Filed 1979·Granted Mar 24, 1981·21 cites·17 claims
- 0961US4037622ADiaphragm reversing valveMCQUAY PERFEX INC·Filed 1971·Granted Jul 26, 1977·16 cites·4 claims
- 1060US4124994ABeverage cooling bathMCQUAY PERFEX INC·Filed 1977·Granted Nov 14, 1978·16 cites·18 claims
- 1148US4171069ABeverage dispenserMCQUAY PERFEX INC·Filed 1977·Granted Oct 16, 1979·16 cites·7 claims
- 1246US4429782AScrew conveyer with removable flightingMCQUAY PERFEX INC·Filed 1981·Granted Feb 7, 1984·13 cites·8 claims
- 1340US4248335AKey-operated actuatorMCQUAY PERFEX INC·Filed 1979·Granted Feb 3, 1981·7 cites·19 claims
- 1435US4334648AAirflow limiter and measurement deviceMCQUAY PERFEX INC·Filed 1980·Granted Jun 15, 1982·10 cites·6 claims
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