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DOERNER FRANK

Overview
  • Total Patents
    15
About

DOERNER FRANK has a total of 15 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Canada, United States and Germany. Its main competitors in its focus markets furniture and games, machines and machine tools are CABLE JULIUS L, FUSS RAINER and KURZ GMBH.

Patent filings in countries

World map showing DOERNER FRANKs patent filings in countries
# Country Total Patents
#1 Canada 7
#2 United States 7
#3 Germany 1

Patent filings per year

Chart showing DOERNER FRANKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Doerner Frank 15
#2 Graf Thomas 1
#3 Schoell Georg 1

Latest patents

Publication Filing date Title
DE4442322A1 Electrically-operated clearing device for vehicle windscreen
CA1191082A Cover for chair leg
CA1154665A Leg for chair base and cap therefore
CA1060772A Base portion for tiltable chair
CA1067390A Chair control for a tiltable stenographer's chair
US4014086A Safety feature for chair controls
CA1037850A Safety feature for chair controls
US4013258A Chair control for tiltable chairs
US3935631A Method of seating a bearing
CA1004127A Chair control for tilting chairs
CA1012337A Method of mounting a plastic bearing