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MITCHELL SPECIALTY COMPANY

Overview
  • Total Patents
    22
About

MITCHELL SPECIALTY COMPANY has a total of 22 patent applications. Its first patent ever was published in 1913. It filed its patents most often in United States, France and United Kingdom. Its main competitors in its focus markets civil engineering, machines and electrical machinery and energy are GEORGE W HOULSBY JR, PERFECT WINDOW REGULATOR CORP and DURA CO.

Patent filings in countries

World map showing MITCHELL SPECIALTY COMPANYs patent filings in countries
# Country Total Patents
#1 United States 11
#2 France 4
#3 United Kingdom 4
#4 Germany 3

Patent filings per year

Chart showing MITCHELL SPECIALTY COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Seitz Joseph J 4
#2 Mitchell Ernest R 4
#3 Moore Clarence W 2
#4 Kulicke Frederick W 2
#5 Williams Ernest K 1
#6 Butler Robert W 1

Latest patents

Publication Filing date Title
GB468082A Improvements in combined latch and dovetail structure
US2054449A Door dovetail
US2049658A Housing structure
GB398261A Improvements in or relating to manoeuvre signalling devices for vehicles
GB375143A Door stops or retainers
US1968560A Register
US1920511A Safety gas cock
US1990141A Door retainer
US1965672A Door retainer
US1895525A Door retainer
US1657314A Door retainer
US1657313A Door retainer
US1212663A Door bumper and retainer.
US1114503A Floor-board-antirattling device.