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SEDNEFF CONSTANTIN DE

Overview
  • Total Patents
    11
About

SEDNEFF CONSTANTIN DE has a total of 11 patent applications. Its first patent ever was published in 1902. It filed its patents most often in United Kingdom, United States and Denmark. Its main competitors in its focus markets electrical machinery and energy and environmental technology are LIUZHOU WUHUAN PLUMBING EQUIPMENT SALES DEPT, INGSCHULE MASCHINENBAU and ERNY WILHELM.

Patent filings in countries

World map showing SEDNEFF CONSTANTIN DEs patent filings in countries
# Country Total Patents
#1 United Kingdom 4
#2 United States 3
#3 Denmark 2
#4 Austria 1
#5 Switzerland 1

Patent filings per year

Chart showing SEDNEFF CONSTANTIN DEs patent filings per year from 1900 to 2020

Focus technologies

Top inventors

# Name Total Patents
#1 Sedneff Constantin De 10
#2 Constantin De Sedneff 1

Latest patents

Publication Filing date Title
US1149558A Electrical accumulator.
GB191301066A Improvements in Electrical Accumulators.
GB191401119A Improvements in Electrical Accumulators.
GB191218571A Improvements in Electrical Accumulators.
US768630A Electric accumulator.
GB190215807A Improvements in or relating to Electric Accumulators
US1213467A Electric accumulator.