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OWEN D W

Overview
  • Total Patents
    29
About

OWEN D W has a total of 29 patent applications. Its first patent ever was published in 1977. It filed its patents most often in United States, Canada and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets electrical machinery and energy, furniture and games and machines are TRANSFIX SOC NOUV, MOLONEY ELECTRIC COMPANY and CENTRAL TRANSFORMER CORP.

Patent filings per year

Chart showing OWEN D Ws patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Owen Donald W 27
#2 Bunnell Eldon Royce 2
#3 Donald W Owen 1
#4 Bunnell Eldon R 1

Latest patents

Publication Filing date Title
US2009251932A1 Low harmonic rectifier circuit
US2009111595A1 Cue stick and cue stick handle with rigid forearm and method of making the same
CN101128242A Cue stick and method of making same
CA2576990A1 Auto-transformer for use with multiple pulse rectifiers
CA2327014A1 Method and apparatus for providing selectable output voltages
CA2308044A1 Method and apparatus for increasing the rating of a transformer
CA2151550A1 Multiphase Load Control System with Switch Connected Split Sources of Phase Voltage
US5131156A Leveling apparatus and method
US4784388A Pocket billiards game
US4574231A Magnetic amplifier apparatus for balancing or limiting voltages or currents
US4524341A Transformer with series-parallel-series winding between split winding
US4514602A Switching apparatus
CA1149431A Rotary switch
CA1133599A Transformer with varying voltage outputs
US4256932A Rotary switch
US4352026A Multi-phase current balancing compensator
US4255734A Transformer with tapped subwindings
US4160224A Transformer