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DORMA DOOR CONTROLS INC

Overview
  • Total Patents
    20
About

DORMA DOOR CONTROLS INC has a total of 20 patent applications. Its first patent ever was published in 1978. It filed its patents most often in United States, Canada and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets civil engineering, machines and it methods for management are MAGOZ ASSI, RIXSON FIREMARK and PERKINS & POWELL LTD.

Patent filings in countries

World map showing DORMA DOOR CONTROLS INCs patent filings in countries

Patent filings per year

Chart showing DORMA DOOR CONTROLS INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Seliber Lloyd 7
#2 Rhoads James D 4
#3 Beran Mark A 4
#4 Stevens James C 4
#5 Utterback Robert 3
#6 Andrea Davide 2
#7 Lieberman Sidney 2
#8 Loose Ricky 1
#9 Beaton Todd 1
#10 Nesbitt Lanny E 1

Latest patents

Publication Filing date Title
US2007017264A1 Positional multiplex keyway system
CA2601504A1 Key security method and system
US6499185B1 Apparatus for holding a door open
US6002217A Door operating system
US5913763A Method for controlling the operational modes of a door in conjunction with a mechanical door control mechanism
CA2124403A1 Apparatus and method for selective alteration of operating parameters of a door
US4878265A Hold-open mechanism for use with a door closer
US4419787A Door closer assist linkage
US4375735A Air lock door control apparatus
US4394787A Hydraulic door closer construction