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CHAPMAN ELECTRIC NEUTRALIZER C

Overview
  • Total Patents
    11
About

CHAPMAN ELECTRIC NEUTRALIZER C has a total of 11 patent applications. Its first patent ever was published in 1925. It filed its patents most often in United States and Canada. Its main competitors in its focus markets electrical machinery and energy and machines are SUZHOU ITIS ELECTRON MANUFACTURING TECH CO LTD, BLESKIN BORIS IVANOVICH and TAKAYANAGI KENKYUSHO KK.

Patent filings in countries

World map showing CHAPMAN ELECTRIC NEUTRALIZER Cs patent filings in countries
# Country Total Patents
#1 United States 10
#2 Canada 1

Patent filings per year

Chart showing CHAPMAN ELECTRIC NEUTRALIZER Cs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Electrical machinery and energy
#2 Machines

Top inventors

# Name Total Patents
#1 Chapman William H 5
#2 Henry Chapman William 5
#3 Chapman William Henry 1

Latest patents

Publication Filing date Title
US2392808A Neutralizing apparatus and manufacture of same
US2207677A Neutralizing apparatus
US2084968A Neutralizing apparatus
US1914110A Method of and apparatus for neutralizing static electricity
US1841323A Neutralizer bar
US1787188A Neutralizing apparatus
US1782712A Method of controlling electrostatic charges on moving surfaces
US1782340A Discharge bar for neutralizing static electricity
US1653599A Discharge bar for neutralizing static electricity
US1735494A Neutralizer bar
CA340737A Static electricity neutralizing apparatus