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COMSTOCK & WESCOTT

Overview
  • Total Patents
    152
About

COMSTOCK & WESCOTT has a total of 152 patent applications. Its first patent ever was published in 1911. It filed its patents most often in United States, United Kingdom and Germany. Its main competitors in its focus markets thermal processes, machines and environmental technology are KINKI KNIVES IND LTD, CALIFOAM CORP OF AMERICA and FIRM OF HENRI LEVY.

Patent filings in countries

World map showing COMSTOCK & WESCOTTs patent filings in countries
# Country Total Patents
#1 United States 78
#2 United Kingdom 26
#3 Germany 22
#4 France 13
#5 Switzerland 3
#6 Italy 3
#7 Canada 2
#8 Austria 1
#9 Denmark 1
#10 Finland 1
#11 Greece 1
#12 Japan 1

Patent filings per year

Chart showing COMSTOCK & WESCOTTs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Rice Richard E 20
#2 Weaver Eastman A 10
#3 Whitney Lyman F 7
#4 Whitney William E 7
#5 Comstock Daniel F 6
#6 Aspinwall P 6
#7 Aspinwall Peter 5
#8 Decker John A Jr 5
#9 Edmund Rice Richard 4
#10 Holdsworth Dennis W 4

Latest patents

Publication Filing date Title
US4189294A Flameless combustion burner and method of operation
US4180384A Catalytic fuel combustion apparatus and method
US4168946A Catalytic fuel combustion apparatus and method
US4171947A Catalytic fuel combustion apparatus and method
US4140247A Catalytic fuel combustion apparatus
GB1547810A Catalytic combustion apparatus and method and catalyst therefor
US4014287A High speed fluid applicator
US4047876A Catalytic fuel combustion apparatus and method
US3990337A Precision book cutter with inclined bit
US3889564A Knife edge endless loop book cutter
US3834582A Moving gate for hopper discharging flat articles of irregular thickness
US3860158A Book rough cutter with raker tooth
US3822626A Precision book cutting apparatus
US3828409A Reversibly mountable book cutter
US3726167A Method of cutting thick books
US3700332A Spectral analysis using a modulating mask transmitting selected spectral lines and reference bands
US3623368A Turbine engine blade pyrometer
US3625612A Optical derotator employing mirror pairs to view a rotating body
US3578980A Spectral analysis using masks having different combinations of transmitting and non-transmitting portions
US3572928A Aircraft proximity warning system