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POTTHOFF LOUIS

Overview
  • Total Patents
    19
About

POTTHOFF LOUIS has a total of 19 patent applications. Its first patent ever was published in 1899. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets surface technology and coating, chemical engineering and civil engineering are ASADA TAHEI, NIPPON STAINLESS KOZAI KK and STANDARD T CHEMICAL CO INC.

Patent filings in countries

World map showing POTTHOFF LOUISs patent filings in countries
# Country Total Patents
#1 United States 11
#2 Canada 3
#3 United Kingdom 3
#4 Denmark 2

Patent filings per year

Chart showing POTTHOFF LOUISs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Potthoff Louis 19

Latest patents

Publication Filing date Title
US1251568A Electroplating apparatus.
US1251567A Tuneling apparatus.
US1243098A Electroplating apparatus.
US1285369A Electroplating apparatus.
US941535A Electroplating apparatus.
CA108747A Electroplating apparatus
US866959A Electroplating apparatus.
CA95758A Galvanizing process and bath
CA95757A Electroplating apparatus
GB190506790A Improvements in Apparatus for Electro-plating Tubes or other Hollow Articles
US786776A Electroplating apparatus.
US806835A Electroplating apparatus.
GB190414059A Improvements in Apparatus for Electro-galvanising.
GB190414058A Improvements in Solutions for the Electrodeposition of Metals.
US799402A Electroplating apparatus.
US796448A Fire-curtain for theaters.
US650051A Electroplating apparatus.