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SOUTHWEST ELECTRIC CO

Overview
  • Total Patents
    20
About

SOUTHWEST ELECTRIC CO has a total of 20 patent applications. Its first patent ever was published in 1968. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets electrical machinery and energy, measurement and machines are JIANGSU HUAPENG TRANSFORMER CO LTD, PROIZV OB URALELEKTROTYAZHMASH and PROIZV OB URALELEKTROTJASCHMAS.

Patent filings in countries

World map showing SOUTHWEST ELECTRIC COs patent filings in countries
# Country Total Patents
#1 United States 12
#2 Canada 6
#3 United Kingdom 2

Patent filings per year

Chart showing SOUTHWEST ELECTRIC COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Owen Donald W 18
#2 Pooler Richard D 2
#3 Mcclanahan Michael L 1
#4 Ogden Charles E 1
#5 Price Bobbie G 1

Latest patents

Publication Filing date Title
US6169674B1 Transformer, system and method to control harmonic distortion
US5449991A Motor control system and apparatus for providing desired three-phase voltage therein using a main transformer energized through an autotransformer
US5422550A Control of multiple motors, including motorized pumping system and method
US5216356A Shielded three phase transformer with tertiary winding
US5130628A Transformer providing two multiple phase outputs out of phase with each other, and pumping system using the same
CA2144243A1 Motor control system and components thereof
US5130616A Motor control system and components thereof
US5079499A Transformer providing two multiple phase outputs out of phase with each other, and pumping system using the same
US5005100A Transient-filtered transformer
US4868481A Apparatus and method for balancing electrical currents in a multiple-phase system
US3934326A Electric meter installing device
US3570103A Glass meter installing device