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KARL HACK

Overview
  • Total Patents
    42
About

KARL HACK has a total of 42 patent applications. Its first patent ever was published in 1929. It filed its patents most often in Germany, United Kingdom and France. Its main competitors in its focus markets machine tools, mechanical elements and engines, pumps and turbines are HACK KARL, OMD SPA and HACK KARL MASCHF.

Patent filings in countries

World map showing KARL HACKs patent filings in countries
# Country Total Patents
#1 Germany 25
#2 United Kingdom 15
#3 France 1
#4 United States 1

Patent filings per year

Chart showing KARL HACKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hack Karl 18
#2 Speidel Herbert 1
#3 Stumpp Josef 1
#4 Jacob Karl 1
#5 Karl Hack 1

Latest patents

Publication Filing date Title
US3326342A Free wheel clutch
GB1046107A Electrical sensing device for spring winding machines
GB954881A Spring winding machine for the manufacture of springs with tangential ends
GB920965A A process and apparatus for the manufacture of coiled springs having eyes at their ends
GB986127A Improvements in or relating to cam control devices
GB909739A Apparatus for the bending of wire
GB952218A Copying apparatus for the manufacture of shaped springs according to curved discs
GB885761A Spring end grinding machine
GB849770A Spring and grinding machine
GB837262A Apparatus for the automatic setting of the trueing tools for the grinding discs of spring-end grinding machines
GB811100A Spring end grinding machine
GB796268A Spring winding machine having only one winding tool
GB797481A A control mechanism for spring forming machines
GB817907A A method and means for the feeding and cutting off of wires in spring-winding, wire-bending, wire-straightening and like machines
GB688367A Improvements in or relating to clamping devices for springs
GB369170A Device for straightening plates, band-shaped material, flat material, section material, wires of any cross sectional shape and the like