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KNOPF CARL

Overview
  • Total Patents
    14
About

KNOPF CARL has a total of 14 patent applications. Its first patent ever was published in 1899. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets measurement, textiles and paper and machine tools are NOVOSIB MO T I LEGKOJ PROMY, Huaibei longpan industry and trade co ltd and YAO JINGCHENG.

Patent filings in countries

World map showing KNOPF CARLs patent filings in countries
# Country Total Patents
#1 United States 5
#2 United Kingdom 3
#3 Canada 2
#4 Austria 1
#5 Switzerland 1
#6 Denmark 1
#7 Spain 1

Patent filings per year

Chart showing KNOPF CARLs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Knopf Carl 13
#2 Knofp Paul 1

Latest patents

Publication Filing date Title
GB191400756A Improvements in Recording Speedometers.
GB190725724A Improvements in Mallets.
GB190715530A Improvements in Speed Indicators
US863404A Mallet.
US863403A Speed-indicator.
US865397A Dress-skirt marker.
US756507A Stair-mat.
US635556A Stirrup.
CA260837A Waterproof textile
CA321548A Reflecting sign