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SPC HOLDING CO INC

Overview
  • Total Patents
    11
About

SPC HOLDING CO INC has a total of 11 patent applications. Its first patent ever was published in 1987. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and Australia. Its main competitors in its focus markets electrical machinery and energy are FUJITSU SINTER KK, GENEDYNE CORP and ANHUI WEILI MOTOR CO LTD.

Patent filings per year

Chart showing SPC HOLDING CO INCs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Roberts Gary Dean 6
#2 Roberts Gary D 2
#3 Roberts G 1

Latest patents

Publication Filing date Title
US4896063A Electromagnetic induction devices with multi-form winding and reflected magnetizing impedance
WO8801803A1 Single and polyphase electromagnetic induction machines having regulated polar magnetic symmetry
US4808868A Single and polyphase electromagnetic induction machines having regulated polar magnetic symmetry