Learn more

CHRISTEN & CO A G

Overview
  • Total Patents
    12
About

CHRISTEN & CO A G has a total of 12 patent applications. Its first patent ever was published in 1930. It filed its patents most often in Germany, United States and Switzerland. Its main competitors in its focus markets machine tools, machines and consumer goods are BENGT MAGNUS WILHELM HANSON, LIDKOPINGS MEK VERKST S AKTIEB and DAISHO SEIKI CORP.

Patent filings in countries

World map showing CHRISTEN & CO A Gs patent filings in countries
# Country Total Patents
#1 Germany 3
#2 United States 3
#3 Switzerland 2
#4 France 2
#5 United Kingdom 2

Patent filings per year

Chart showing CHRISTEN & CO A Gs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Machine tools
#2 Machines
#3 Consumer goods

Top inventors

# Name Total Patents
#1 Oscar Amiet 3
#2 Amiet Oscar 2
#3 G Christen Co A 2

Latest patents

Publication Filing date Title
US2911771A Apparatus for sharpening drills by means of a grinding wheel
DE1174647B Device for grinding drills and milling cutters
DE1152636B Device for grinding drills and milling cutters
GB821701A Improvements in or relating to a chuck for machine-tool
US2866302A Machine for sharpening drills
US2881006A Chuck with fixed cam and axially movable jaws