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DOUGLAS AUTOTECH CORP

Overview
  • Total Patents
    29
About

DOUGLAS AUTOTECH CORP has a total of 29 patent applications. Its first patent ever was published in 1992. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and Canada. Its main competitors in its focus markets transport, mechanical elements and machines are CAM GEARS LTD, ZHEJIANG WANDA STEERING GEAR CO LTD and CORNELIUS MURNANE.

Patent filings per year

Chart showing DOUGLAS AUTOTECH CORPs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Spencer Joseph C 15
#2 Gaukel Patrick D 9
#3 Bowerman Brian C 9
#4 Glidden Corbin G 5
#5 Sha Subin 4
#6 Kubasiak Duane 3
#7 Krizan Joseph A 2
#8 Greenamyer Ryan E 1
#9 Koleszar Chris J 1
#10 Spencer Joseph 1

Latest patents

Publication Filing date Title
US2007235998A1 Tilting and telescoping steering column assembly
WO2004069628A2 Steering assembly with tactile feedback
US7077027B2 Composite steering column housing
US6437687B2 Alarm mechanism
WO0183284A1 Steering column support assembly
US6382047B2 Tilt lever for adjustable steering columns
US6374978B1 Transmission lock
US7165786B1 Non-newtonian flow fluid-locking mechanism for vehicles
WO0037298A1 Non-newtonian flow fluid-locking mechanism for vehicles
WO0018632A1 Steering wheel impact positioning system
US5899497A Tilt-adjustable steering column assembly
US5902186A Intermediate shaft assembly for steering columns
US5267480A Telescoping column