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INDEX WERKE HAHN & KOLB

Overview
  • Total Patents
    42
About

INDEX WERKE HAHN & KOLB has a total of 42 patent applications. Its first patent ever was published in 1925. It filed its patents most often in Switzerland, Germany and France. Its main competitors in its focus markets machine tools and mechanical elements are INDEX WERKE, JOHN TWATT HEPBURN and NO CHANG HWAN.

Patent filings in countries

World map showing INDEX WERKE HAHN & KOLBs patent filings in countries
# Country Total Patents
#1 Switzerland 17
#2 Germany 14
#3 France 10
#4 Austria 1

Patent filings per year

Chart showing INDEX WERKE HAHN & KOLBs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Hahn Kolb Index-Werke 16
#2 Hahn Kolb Index Werke 1

Latest patents

Publication Filing date Title
DE679409C Control lever for automatic swivel arms with auxiliary control shaft controlled by the main control shaft with spring-loaded pendulum cams
DE665957C Drive device for the work spindle automatic, single-spindle swivel arm with two right and left hand runs
DE616254C Automatic workpiece gripper for automatic swivel arms
DE627867C Adjustable bushing guide running around the lathe spindle for rod-shaped material
DE613702C Long turning device on automatic turning arms
DE632901C Thread chasing device with guide cartridge
DE613994C Device for cooling friction cone clutches on machine tools
DE582324C Roller bearings
DE562457C Magazine for rod-shaped material processing machine tools
DE594710C Adjustable hollow friction cone for reversing clutches of automatic swivel arms
DE501525C Guide tube for rotating material bars
DE531914C Thread chasing device for automatic turning bars
DE534255C Thread chasing device for automatic turning bars
DE510968C Tapping device with rotating tap with curved shank