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US LIGHT & HEAT CORP

Overview
  • Total Patents
    214
About

US LIGHT & HEAT CORP has a total of 214 patent applications. Its first patent ever was published in 1907. It filed its patents most often in United States, Germany and France. Its main competitors in its focus markets electrical machinery and energy, environmental technology and machines are GUGLER JULIUS H, GOULD STORAGE BATTERY CO and GEN STORAGE BATTERY COMPANY.

Patent filings in countries

World map showing US LIGHT & HEAT CORPs patent filings in countries
# Country Total Patents
#1 United States 193
#2 Germany 6
#3 France 6
#4 United Kingdom 5
#5 Austria 4

Patent filings per year

Chart showing US LIGHT & HEAT CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Turbayne William A 66
#2 Bliss William L 41
#3 Carpenter Campbell C 23
#4 Frank Engel 8
#5 Engel Frank 8
#6 Thomas Zimmerman 7
#7 Ellis Roy J 4
#8 Du Bois Thomas R 4
#9 Zimmerman Thomas 4
#10 Loudon Warren P 3

Latest patents

Publication Filing date Title
US1561775A Treatment of plates for storage batteries
US1498866A Treatment of plates for storage batteries
US1561774A Treatment of wood separators
US1614916A Treatment of wood separators
US1498865A Treatment of wood separators
US1523997A Automatic system of regulation
US1398065A Method of preparing storage-battery separators
US1628079A Double-circuit starting and generating system
US1603064A Method of manufacturing battery plates
US1492241A Method of recovering scrap battery plates
US1485744A Welding generator
US1643949A Method of testing batteries for leaks
US1632364A Battery cell
DE378058C Electric regulator with two electromagnetically operated organs
US1416787A Method of preparing paste
US1478011A Electrical system
US1409889A System of electrical regulation
GB159939A Improvements relating to dynamo electric machines
GB158821A Improvements in and relating to dynamo-electric machines
GB146033A Improvements relating to electric regulators