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CHAPAL DONNER CORP

Overview
  • Total Patents
    17
About

CHAPAL DONNER CORP has a total of 17 patent applications. Its first patent ever was published in 1929. It filed its patents most often in United States, Canada and France. Its main competitors in its focus markets textiles and paper and consumer goods are BAYERISCHE MASCHINEN FABRIK RE, KY HILTOP KB and PAMUTEC PATENTS APS.

Patent filings in countries

World map showing CHAPAL DONNER CORPs patent filings in countries
# Country Total Patents
#1 United States 8
#2 Canada 2
#3 France 2
#4 United Kingdom 2
#5 Austria 1
#6 Germany 1
#7 Spain 1

Patent filings per year

Chart showing CHAPAL DONNER CORPs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Donner Carl H 3
#2 Plass Robert H 3
#3 Plass Robert Herman 1
#4 Donner Philip C 1
#5 Donner Carl Herman 1
#6 Otto Young 1
#7 Weber William C 1

Latest patents

Publication Filing date Title
US2439419A Fur pelt or skin stretching apparatus
US2357884A Fur pelt or skin stretching mechanism
GB554464A Improvements in or relating to methods of preparing fur for felting and aqueous carroting solutions for use in such methods
US2313578A Apparatus for treating fur
US2330813A Carroting solution
US1963482A Shoe-treeing apparatus
ES125066A1 Improvements in the machines to cut the hair of the skins.
GB387465A Improvements in fur cutting machines
US1882003A Hat making machinery
US1782662A Pelt-dehairing machine
US1808787A Pelt dehairing machine
CA418686A Fur carroting solution
CA330002A Fur cutting machine