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HANS KATTWINKEL

Overview
  • Total Patents
    61
About

HANS KATTWINKEL has a total of 61 patent applications. Its first patent ever was published in 1924. It filed its patents most often in Germany, United States and United Kingdom. Its main competitors in its focus markets mechanical elements, transport and machines are PBR AUTOMOTIVE PTY LTD, BENDIX BRAKE CO and INNOVATION BRAKES INC.

Patent filings in countries

World map showing HANS KATTWINKELs patent filings in countries
# Country Total Patents
#1 Germany 25
#2 United States 20
#3 United Kingdom 16

Patent filings per year

Chart showing HANS KATTWINKELs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kattwinkel Hans 22
#2 Hans Kattwinkel 20

Latest patents

Publication Filing date Title
US2368304A Clutch, especially for motor cars with control change mechanism
GB526531A Improvements in or relating to cardan shafts
GB526532A Improvements in or relating to flexible universal joints
GB526530A Improvements in or relating to universal joints
GB526199A Improvements in or relating to cooling means for multiple-disc clutches or brakes
GB519938A Improvements in or relating to laminated disc clutches
US2204499A Clutch device
US2247298A Multiple disk brake, coupling, and the like
GB503004A Improvements in and relating to laminated-disc brakes, clutches and the like
GB507694A Improvements in or relating to laminated disc clutches and brakes
US2199801A Multiple disk friction device
DE690427C Multi-disc clutch, especially for motor vehicles
GB491675A Improvements in or relating to laminated disc clutches
GB493887A Improvements in or relating to laminated disc clutches
US2137977A Laminated disk clutch
US2123307A Flexible universal coupling
GB460480A Method of and apparatus for balancing rotating machine parts
GB403419A Improvements in or relating to elastic universal joint couplings
GB387497A Improvements in and relating to universal joints
GB365988A An improved process and apparatus for the production of frictional coverings