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THOMPSON EVERETT L

Overview
  • Total Patents
    12
About

THOMPSON EVERETT L has a total of 12 patent applications. Its first patent ever was published in 1902. It filed its patents most often in United States and Canada. Its main competitors in its focus markets civil engineering, machines and packaging and shipping are FIRE PROT SYSTEMS CORROSION MAN INC, STAR SPRINKLER CORP and FIDDES JAMES.

Patent filings in countries

World map showing THOMPSON EVERETT Ls patent filings in countries
# Country Total Patents
#1 United States 9
#2 Canada 3

Patent filings per year

Chart showing THOMPSON EVERETT Ls patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Thompson Everett L 12

Latest patents

Publication Filing date Title
CA187542A Chemical fire extinguisher
CA173045A Fire alarm system
US929051A Sprinkler alarm device.
US913322A Blast apparatus.
US893033A Automatic sprinkler apparatus.
US855077A Sprinkler alarm device.
CA84953A Alarm valve and system
US855076A Dry-pipe valve for automatic-sprinkler systems.
US743049A Alarm valve and system.
US824453A Automatic sprinkler.
US782531A Automatic sprinkler system.
US998934A Automatic sprinkler system.