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SPANNER BOILERS LTD

Overview
  • Total Patents
    59
About

SPANNER BOILERS LTD has a total of 59 patent applications. Its first patent ever was published in 1947. It filed its patents most often in United Kingdom, Germany and Denmark. Its main competitors in its focus markets thermal processes, environmental technology and mechanical elements are DELTAK CORP, MONT STEAM GENERATOR LTD and STEAM POWER DEVICES COMPANY.

Patent filings in countries

World map showing SPANNER BOILERS LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 24
#2 Germany 10
#3 Denmark 9
#4 France 8
#5 Canada 3
#6 Argentina 2
#7 Austria 1
#8 Belgium 1
#9 Spain 1

Patent filings per year

Chart showing SPANNER BOILERS LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Spanner Edward Frank 14
#2 Black Roy William Charles 11
#3 Rutherford John Norman 6
#4 Black Roy W C 3
#5 Grimston Walter Leonard 1
#6 Black Roy Willi Am Charles 1
#7 Livemore Gerald Sydney 1
#8 Cradley Roy William Charles Bl 1
#9 Black Roy Williams Charles 1
#10 Arkell Henry William 1

Latest patents

Publication Filing date Title
GB1196343A Improvements in or relating to Waste Heat Boilers
GB1190862A Improvements in or relating to Waste Heat Recovery Boilers
GB1194890A Improvements in or relating to Apparatus for Connecting Parts Having Different Temperature from Each Other
GB947106A Improvements in and relating to means for dispensing detergent solutions and the like
GB929321A Improvements in and relating to low water safety devices for oil fired steam boilers
GB928097A Improvements in and relating to water heaters
GB927037A Improvements in and relating to steam boilers and water heaters
DE1122772B Device for utilizing the waste heat from internal combustion engines
GB874469A Improvements in and relating to waste heat recovery installations
GB870893A Improvements in and relating to the control of waste heat recovery boilers
GB869394A Improvements in and relating to waste heat recovery boilers
DE1143059B Device for sound absorption of exhaust gases and for heat recovery in internal combustion engines
GB816942A Improvements in and relating to two-way or diversion fluid control valves
GB811459A Improvements in and relating to the silencing of the exhaust of internal combustion engines
GB805141A Improvements in and relating to the silencing of and the waste heat recovery from the exhaust gases of internal combustion engines of all kinds
DE1170422B Waste heat boiler with vertical smoke tubes for utilizing the waste heat from internal combustion engines in ship systems
GB769215A Improvements in and relating to tubular heat exchangers
GB732752A Improvements in and relating to combined directly-fired and waste-heat water heatersor steam boilers
GB760108A Improvements in the heating of railcars
GB735248A Improvements in mercury-in-glass water level indicators and controls