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SUPERIOR ELECTRIC CO

Overview
  • Total Patents
    418
About

SUPERIOR ELECTRIC CO has a total of 418 patent applications. Its first patent ever was published in 1942. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets electrical machinery and energy, control and machines are MESUR MATIC ELECTRONICS CORP, CIFU SCIENCE & TECHNOLOGY CO LTD and MEGAMATION INC.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Leenhouts Albert C 68
#2 Perrins Allen R 31
#3 Snowdon Arthur E 25
#4 Madsen Elmer W 24
#5 Fredrickson Gustav O 22
#6 Mccabe Owen J 13
#7 Carpenter William P 12
#8 Lundin Robert S 11
#9 Burski Leonard J G 11
#10 Rosshirt Hermann 8

Latest patents

Publication Filing date Title
WO9109441A1 Liquid crystal polymer for electric component insulation
US5032816A Longitudinally contoured conductor for inductive electrical devices
US4894907A Method of making a longitudinally contoured conductor for inductive electrical devices
JPH02201220A Magnetic rotary encoder system
JPH02190713A Magnetoresistive displacement sensor
EP0372136A1 Magnetic rotary encoder system
US4794511A Apparatus and method for generating two-phase signals for use with a resolver to digital converter
US4866382A Magnetic rotary encoder system having a multi-element magnetoresistive sensor
US4853631A Magnetoresistive sensor having inter-leaved magnetoresistive elements for detecting encoded magnetic information
US4954740A Stator winding for two-speed electrodynamic machines having fractional speed ratios
EP0261796A1 Longitudinally contoured conductor for inductive electrical devices
US4763052A Method and means for driving a brushless D.C. motor
US4868477A Method and apparatus for controlling torque and torque ripple in a variable reluctance motor
US4733117A Reluctance synchro/resolver
US4990809A Variable reluctance motor
US4792709A Winding for operation of a three-phase stepping motor from a two-phase drive
US4761578A Method and means for operating brushless DC motor with reversible DC power
US4733113A Winding for operation of a three-phase stepping motor from a two-phase drive
US4739201A Means to reduce harmonic torque in electromagnetic machines
EP0191223A2 Magnetically-coupled transducer means