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STEEL PRODUCTS ENG CO

Overview
  • Total Patents
    81
About

STEEL PRODUCTS ENG CO has a total of 81 patent applications. Its first patent ever was published in 1919. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets thermal processes, machines and transport are DOMESTIC STOKER COMPANY, UNDER FEED STOKER COMPANY OF AMERICA and IRON FIREMAN MFG CO.

Patent filings in countries

World map showing STEEL PRODUCTS ENG COs patent filings in countries
# Country Total Patents
#1 United States 55
#2 Canada 16
#3 United Kingdom 10

Patent filings per year

Chart showing STEEL PRODUCTS ENG COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Getz Delmond L 19
#2 Clark Scholl 14
#3 Rausenberger Larence E 8
#4 Brehm Charles M 7
#5 Scholl Clark 7
#6 Hedges Robert O 6
#7 Sherman Thomas L 5
#8 Mcadams Joseph E 3
#9 Sasser John D 2
#10 Lafferty Edward C 2

Latest patents

Publication Filing date Title
US3034619A Drive system
US2703868A Multiple slip ring joint
GB685415A Improvements in or relating to stoker systems
GB690955A Improvements in or relating to stoker systems
US2699727A Oil burner pump
US2703608A Gun type oil burner
US2699728A Oil burner
US2632500A Flow stabilizing device for gun-type oil burners
US2682887A Liquid level control means for humidifiers
US2649280A Chain hoist mechanism
US2669302A Cam operated trimming dies
US2616583A Filler cap assembly
US2616585A Filler cap assembly
US2616584A Filler cap assembly
US2628337A Shear pin cutout for stoker motors
US2665071A Stoker apparatus
US2627921A Tube cutting die
GB642880A Improvements in or relating to ash containers
GB642879A Improvements in or relating to ash containers
US2607445A Braking mechanism