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DOBLE STEAM MOTORS LTD

Overview
  • Total Patents
    14
About

DOBLE STEAM MOTORS LTD has a total of 14 patent applications. Its first patent ever was published in 1930. It filed its patents most often in France, United Kingdom and Switzerland. Its main competitors in its focus markets thermal processes are JUMAG DAMPFERZEUGER GMBH, VAPOR SERVICE S R L and NIEDERBAYERISCHE CELLULOSEWERK.

Patent filings in countries

World map showing DOBLE STEAM MOTORS LTDs patent filings in countries
# Country Total Patents
#1 France 4
#2 United Kingdom 4
#3 Switzerland 2
#4 United States 2
#5 Austria 1
#6 Denmark 1

Patent filings per year

Chart showing DOBLE STEAM MOTORS LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Thermal processes

Focus technologies

Top inventors

# Name Total Patents
#1 Motors Ltd Doble Steam 2
#2 Besler William J 1
#3 Ludwig Schlobohm 1

Latest patents

Publication Filing date Title
GB436086A Improvements in or relating to the feed water control of forced feed tubulous steam generators
GB436087A Improvements in or relating to the control of feed water to forced feed tubulous steam generators
GB404472A Improvements in or relating to steam boilers of the forced feed type
US1951339A Control
US1961395A Steam power plant
GB361990A Improvements in or relating to steam power plants