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B F STURTEVANT COMPANY INC

Overview
  • Total Patents
    37
About

B F STURTEVANT COMPANY INC has a total of 37 patent applications. Its first patent ever was published in 1934. It filed its patents most often in United States. Its main competitors in its focus markets transport, thermal processes and machines are RODGER BALLAST CAR CO, SHIJIAZHUANG KING TRANSP EQUIPMENT CO LTD and HARRY S HART.

Patent filings in countries

World map showing B F STURTEVANT COMPANY INCs patent filings in countries
# Country Total Patents
#1 United States 37

Patent filings per year

Chart showing B F STURTEVANT COMPANY INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Anderson Samuel M 16
#2 Hanson Milton E 4
#3 Palmer Robert T 4
#4 Bentley Oliver D H 3
#5 Hamilton Frank J 2
#6 Allen George W 2
#7 Loring Higgins Darragh 2
#8 Hagen Harold F 2
#9 Morton Harry E 1
#10 Morley Frank W 1

Latest patents

Publication Filing date Title
US2154801A Heating and humidifying system
US2091563A Air conditioning system utilizing refrigeration
US2152129A Air conditioning system utilizing refrigeration
US2087776A Heating system
US2116093A Air conditioning system utilizing refrigeration
US2082957A Air conditioning system utilizing refrigeration
US2071913A Lubrication system
US2071914A Pressure compensation for packing
US2108703A Blower drive and support
US2098558A Air conditioning system utilizing refrigeration
US2055838A Heat exchange apparatus
US2077625A Heat exchange apparatus
US2036672A Air conditioning system
US2027315A Heat exchange apparatus
US2032692A Heat exchange unit
US2020093A Air conditioning apparatus utilizing ice
US2104696A Refrigeration drive
US2037648A Vacuum sweeper
US2100286A Cleaning method and apparatus
US2027336A Refrigeration apparatus