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HERMAN NELSON CORP

Overview
  • Total Patents
    58
About

HERMAN NELSON CORP has a total of 58 patent applications. Its first patent ever was published in 1921. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets thermal processes, machines and control are ANDREOLI M, TRANE REUBEN N and SHAW PERKINS MFG COMPANY.

Patent filings in countries

World map showing HERMAN NELSON CORPs patent filings in countries
# Country Total Patents
#1 United States 48
#2 Canada 8
#3 Germany 1
#4 United Kingdom 1

Patent filings per year

Chart showing HERMAN NELSON CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wilfred Shurtleff 28
#2 Otis Gerald E 11
#3 Nelson Richard H 8
#4 Shurtleff Wilfred 4
#5 Hubbard Arthur F 2
#6 Beling Earl H 2
#7 Budlane Stanley J 2

Latest patents

Publication Filing date Title
US2532550A Steam heating system
US2421370A Combustion chamber structure for heat exchangers
US2421371A Heat exchanger
US2327664A Method of and apparatus for air conditioning
US2327663A Heating and ventilating apparatus
US2254383A Heat exchanger
US2231915A Radiator assembly
US2229304A Air conditioning apparatus
US2220355A Air conditioning apparatus
US2117006A Conversion oil burner
US2071904A Direct reading comfortable temperature indicator
US2023447A Method and mechanism of heating and ventilating
US2012285A Method of air temperature regulation
US1982686A Unit heater and control mechanism therefor
US1988745A Heating and ventilating unit
US1951368A Radiator construction
US1971356A Ventilating unit
US1913681A Method of heating and ventilating
US1973729A Humidifying apparatus
US1925822A Method of heating and ventilating