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REFRIGERATING SPECIALTIES COMP

Overview
  • Total Patents
    16
About

REFRIGERATING SPECIALTIES COMP has a total of 16 patent applications. Its first patent ever was published in 1916. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets thermal processes, mechanical elements and control are CARROLL GEORGE P, FLITSCH FA ERNST and AC & R COMPONENTS INC.

Patent filings in countries

World map showing REFRIGERATING SPECIALTIES COMPs patent filings in countries
# Country Total Patents
#1 United States 11
#2 Canada 4
#3 United Kingdom 1

Patent filings per year

Chart showing REFRIGERATING SPECIALTIES COMPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hansen Charles C 13
#2 Nilles John D 2
#3 Hansen Herbert V 2
#4 Hansen Iii Charles C 1
#5 Hansen Charles G 1
#6 Kivioja Olaf E 1
#7 Downen Raymond E 1
#8 Hunka Robert S 1

Latest patents

Publication Filing date Title
US4022114A Flexible diaphragm construction
GB1164863A Refrigeration control apparatus.
US3303664A Refrigeration system having a back pressure valve
US3189041A Refrigeration pressure regulator
US2020833A Electrically controlled valve
US1596968A Magnetically-operated valve
US1586798A Refrigerating apparatus
US1391317A Valve-stem packing
US1330867A Refrigerating apparatus
US1422853A Controlling mechanism for refrigerating apparatus
US1330866A Refrigerating apparatus
US1402418A Refrigerating apparatus
CA814137A Refrigeration system having a back pressure valve
CA223885A Refrigerating apparatus
CA746226A Refrigerant flow control valve maintaining constant pressure in evaporator