Learn more

STACKPOLE CARBON CO

Overview
  • Total Patents
    356
About

STACKPOLE CARBON CO has a total of 356 patent applications. Its first patent ever was published in 1921. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets electrical machinery and energy, machines and materials and metallurgy are LITTLEFUSE INC, IRC INC and CADDOCK ELECTRONICS INC.

Patent filings in countries

World map showing STACKPOLE CARBON COs patent filings in countries
# Country Total Patents
#1 United States 175
#2 Canada 70
#3 United Kingdom 66
#4 Germany 20
#5 France 14
#6 Denmark 3
#7 Italy 3
#8 Japan 3
#9 Belgium 1
#10 Switzerland 1

Patent filings per year

Chart showing STACKPOLE CARBON COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Bang Mogens W 34
#2 Dressel Henry M 17
#3 Kosco John C 15
#4 Krellner Walter G 14
#5 Diehl John E 14
#6 Hathorn Clarence J 13
#7 Shobert Erle I 13
#8 Campbell Dudley H 13
#9 W Bang Mogens 9
#10 Olson David A 9

Latest patents

Publication Filing date Title
DE3013218A1 METHOD FOR PRODUCING A BINDER-FREE GRAPHITE MOLD
FR2454908A1 Compressible coating for gaskets - prepd. from a slurry of resin, solvent and wetted subdivided vermiform graphite particles
IT7921856D0 Compressible coating for gaskets - prepd. from a slurry of resin, solvent and wetted subdivided vermiform graphite particles
GB2047719A Metal substrate with compressible graphite coating and method of making it
JPS55131079A Metal substrate with compressible graphite coating and its manufacture
CA1106894A Electric motor brush holder
GB2024787A Flexible graphite foil
IT7825332D0 High strength flexible graphite foil prodn. - by heating graphite flake with boron prior to conventional treatment
JPS54137497A Manufacture of high strength and flexibility graphite foil
CA1095680A Process for making high strength flexible graphite foil
US4102960A Process for making high strength flexible graphite foil
US4109667A Hair setting roller
US4059776A Electric motor brush mounting
US3937992A Pulse keyboard switch
CA1056660A Metal substrate with compressible graphite coating and method of making it
US3949711A Rotary engine with graphite housing
US3852566A Fail-safe electric water heater
US3791863A Method of making electrical resistance devices and articles made thereby
US3719915A Coarse and fine adjustment potentiometer
US3728499A Adjustable electrical control device with longitudinal indexing for slide switch