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REFRIGERATING SPECIALTIES CO

Overview
  • Total Patents
    14
About

REFRIGERATING SPECIALTIES CO has a total of 14 patent applications. Its first patent ever was published in 1918. It filed its patents most often in United States, Germany and Australia. Its main competitors in its focus markets thermal processes, machines and mechanical elements are ICELESS MACHINE COMPANY, ALCO VALVE CO and PRIMORE SALES INC.

Patent filings in countries

World map showing REFRIGERATING SPECIALTIES COs patent filings in countries
# Country Total Patents
#1 United States 9
#2 Germany 2
#3 Australia 1
#4 Canada 1
#5 United Kingdom 1

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Hansen Charles C 6
#2 Hansen C 2
#3 Nilles J 2
#4 Nilles John D 2
#5 Hunka R 1
#6 Herbert Hansen 1
#7 E Kivioja Olaf 1
#8 Downen R 1
#9 Mauer Kenneth H 1
#10 Lonn Harold J 1

Latest patents

Publication Filing date Title
US3754730A Pressure refrigerant regulator
US3845781A Check valve for pulsating flows
US3741242A Refrigerant feed control and system
US3585813A Self-contained portable cooler
DE1751098A1 Coolant flow control for cooling systems with liquid coolant
US3449923A Refrigerant feed control and systems
US2190422A Valve
US1757044A Controlling device for refrigerating systems
US1589288A Fluid-pressure-operated valve
US1378026A Pressure-reducing valve