Learn more

INTERNAT DOOR COMPANY

Overview
  • Total Patents
    19
About

INTERNAT DOOR COMPANY has a total of 19 patent applications. Its first patent ever was published in 1933. It filed its patents most often in United States. Its main competitors in its focus markets civil engineering, machines and electrical machinery and energy are COLLINS THOMAS E, CORNELL IRON WORKS INC and FRENCHPORTE L L C.

Patent filings in countries

World map showing INTERNAT DOOR COMPANYs patent filings in countries
# Country Total Patents
#1 United States 19

Patent filings per year

Chart showing INTERNAT DOOR COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hagenbook Thurloe M 11
#2 Shields John W 8
#3 Luke Leo C 1

Latest patents

Publication Filing date Title
US2189712A Lock for revolving doors
US2136323A Illumination means for revolving doors
US2142310A Speed control mechanism
US2111182A Revolving door mechanism
US2125498A Pivot lift and hold-down for revolving doors
US2114405A Revolving door mechanism
US2120746A Pintle control mechanism for revolving doors
US2108720A Slot closer
US2111773A Lower journal for revolving doors
US2121512A Weatherproof panel structure and method of making same
US2055828A Revolving door hardware
US2105972A Trolley for revolving doors
US2128531A Revolving door speed control
US2084781A Revolving door construction
US2081774A Revolving door mechanism
US2047468A Revolving door speed control
US2050589A Revolving door hardware
US2030547A Braceless panic release, roller latching, revolving door hardware
US2029318A Revolving door speed control