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MCQUAY PERFEX INC

Overview
  • Total Patents
    83
About

MCQUAY PERFEX INC has a total of 83 patent applications. Its first patent ever was published in 1971. It filed its patents most often in United States, Canada and Japan. Its main competitors in its focus markets thermal processes, consumer goods and control are MUELLER CO PAUL, GAS REFRIGERATION CORP and V C PATTERSON & ASSOCIATES INC.

Patent filings in countries

World map showing MCQUAY PERFEX INCs patent filings in countries

Patent filings per year

Chart showing MCQUAY PERFEX INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Cornelius Richard T 11
#2 Vogel Kenneth E 9
#3 Powlas Jerome D 6
#4 Watson Thomas Edward 5
#5 Erickson Charles G 4
#6 Richiyaado Toomasu Kooneriusu 4
#7 Vogel K E 3
#8 Cornelius Richard Thomas 3
#9 Powlas J D 3
#10 Cornelius R T 3

Latest patents

Publication Filing date Title
US4429782A Screw conveyer with removable flighting
US4334648A Airflow limiter and measurement device
US4392417A Variable dead band pressure control system
US4356703A Refrigeration defrost control
US4363596A Method and apparatus for surge detection and control in centrifugal gas compressors
US4257318A Variable dead band pressure control system
US4248335A Key-operated actuator
US4236577A Separately removable tubes in heavy duty heat exchanger assemblies
GB1588855A Refrigerated beverage cooling baths
GB1589458A Beverage dispensing systems
US4193781A Head pressure control for heat reclaim refrigeration systems
US4171069A Beverage dispenser
US4124994A Beverage cooling bath
US4136528A Refrigeration system subcooling control
US4091637A Electric defrost heater for fin and tube refrigeration heat exchanger
US3850801A Waste water purification system
US3846616A Portable gas heater
AU4251172A Fin for reversible heat exchanger
CH554029A Distributor for ice chips and flakes - delivering definite quantities into a receptacle
AU3849572A Ice dispensing device