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DUNN WILLIAM J

Overview
  • Total Patents
    17
About

DUNN WILLIAM J has a total of 17 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 machines, engines, pumps and turbines and consumer goods are KINGSLEY MILLER COMPANY, W B JARVIS COMPANY and NORLIPP COMPANY.

Patent filings in countries

World map showing DUNN WILLIAM Js patent filings in countries
# Country Total Patents
#1 United States 11
#2 Canada 6

Patent filings per year

Chart showing DUNN WILLIAM Js patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Dunn William J 17
#2 Taylor Henry B 2

Latest patents

Publication Filing date Title
US2537215A Radiator flushing device
US2388836A Flushing apparatus
US1377877A Internal-combustion engine
US1407393A Internal-combustion motor
US1335671A Fountain-brush
US1260885A Machine for pasting wall-paper.
US1237246A Edge-staining device for trimmed wall-paper.
US1131685A Wall-paper pasting and trimming apparatus.
US1045826A Wall-paper-hanging device.
CA136909A Acetylene gas generator
US1058043A Door-lock.
CA117043A Acetylene gas generator
US784207A Shoe-holding device.
CA513449A Radiator flushing device
CA213520A Internal combustion engine
CA36846A Extensible brace for excavations
CA215935A Internal combustion engine