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ERNY WILHELM

Overview
  • Total Patents
    11
About

ERNY WILHELM has a total of 11 patent applications. Its first patent ever was published in 1900. It filed its patents most often in Canada, Switzerland and Denmark. Its main competitors in its focus markets electrical machinery and energy and environmental technology are SEDNEFF CONSTANTIN DE, TOSHIBA RAY O VAC KK and INGSCHULE MASCHINENBAU.

Patent filings in countries

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

Patent filings per year

Chart showing ERNY WILHELMs patent filings per year from 1900 to 2020

Focus technologies

# Technology
#1 Batteries
#2 Reduction of greenhouse gas emissions

Top inventors

# Name Total Patents
#1 Erny Wilhelm 11

Latest patents

Publication Filing date Title
CA74399A Zinc electrode
US690710A Galvanic battey.
US680848A Zinc electrode for electric batteries.
GB190103416A Improvements relating to the Construction of Electrodes Containing Zinc for use in Electric Batteries and Method of Producing and Employing the same
GB190103417A Improvements in Galvanic Batteries.
CA73095A Galvanic battery