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JAMES KEITH & BLACKMAN COMPANY

Overview
  • Total Patents
    70
About

JAMES KEITH & BLACKMAN COMPANY has a total of 70 patent applications. Its first patent ever was published in 1902. It filed its patents most often in United Kingdom, United States and France. Its main competitors in its focus markets thermal processes, engines, pumps and turbines and control are EHRICH & GRAETZ AG, JAMES KEITH and EHRICH & GRAETZ A G.

Patent filings in countries

World map showing JAMES KEITH & BLACKMAN COMPANYs patent filings in countries
# Country Total Patents
#1 United Kingdom 54
#2 United States 7
#3 France 4
#4 Germany 3
#5 Austria 2

Patent filings per year

Chart showing JAMES KEITH & BLACKMAN COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 George Keith 6
#2 Prim William Jacob 1
#3 Keith George 1
#4 Mantell Louis 1

Latest patents

Publication Filing date Title
US2085911A Incandescence gas lamp
GB470299A Improvements in or relating to laundry irons
US2059360A Gas burner
GB466367A Improvements in or relating to street lamp structures
GB464449A Improvements in centrifugal fans
GB465599A Improvements in inverted incandescence gas lamps
GB462029A Improvements in and relating to tubular gas burners
GB452322A Improvements in and relating to electric motors
GB450712A Improvements in and relating to gas governor apparatus
GB452318A Improvements in electric heating elements for air heaters and the like
GB448174A Improvements in gas-burners for gas-fired baking ovens
GB412381A Improvements in or relating to fans
GB412380A Improvements in multi-stage fans, blowers or exhausters
GB406094A Improvements relating to gas-supply arrangements for laundry irons
GB399956A Improvements in rotary pumps
GB399259A Lamp-shipping gear
GB383055A Improvements in or relating to connectors for flexible metallic pipes
GB366188A Improvements in or relating to gas lamps
GB362630A Improvements in or relating to gas-fired air heaters
GB360555A Improvements in or relating to laundry irons