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GRANCO CLARK INC

Overview
  • Total Patents
    26
  • GoodIP Patent Rank
    230,708
About

GRANCO CLARK INC has a total of 26 patent applications. Its first patent ever was published in 1984. It filed its patents most often in United States, Canada and EPO (European Patent Office). Its main competitors in its focus markets machine tools, thermal processes and materials and metallurgy are TOYAMA KEIKINZOKU KOGYO KK, SMS GROUP S P A and CHANGSHU SEAMLESS STEEL TUBE CO LTD.

Patent filings in countries

World map showing GRANCO CLARK INCs patent filings in countries
# Country Total Patents
#1 United States 16
#2 Canada 8
#3 EPO (European Patent Office) 2

Patent filings per year

Chart showing GRANCO CLARK INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Visser James T 12
#2 Gentry Charles B 10
#3 Scanlon Robert M 5
#4 Bugai John C 4
#5 Jenista David R 3
#6 Uganski Thomas W 2
#7 Berrevoets Gregory A 2
#8 Griffioen Drew Thompson 1
#9 Dietz David R 1
#10 Buiten Todd A 1

Latest patents

Publication Filing date Title
US2020017944A1 Metal extrusion quenching method and system with variable length entry zone
US6884969B1 Die oven and method of operating a die oven
US5337768A Extrusion billet taper quench unit
US5325694A Extrusion billet taper quenching system
US5165268A Extrusion puller mounting
US5031436A Extrusion pulling with double puller lock
CA2016788A1 Extrusion puller mounting
US4993252A Extrusion puller jaws
US5027634A Solutionizing taper quench
US5126945A Nonferrous extrusion process control system
US4953381A Extrusion puller with stripper finger
US4790167A Extrusion run-out table
US4752215A Space saver log pusher
US4889483A Temperature controlled probe assembly
US4675826A Temperature control system
US4573909A Billet heating furnace with adjustable pressurized entrance seal