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PRINCE DAVID C

Overview
  • Total Patents
    18
About

PRINCE DAVID C has a total of 18 patent applications. Its first patent ever was published in 1935. It filed its patents most often in United States, Canada and Switzerland. Its main competitors in its focus markets electrical machinery and energy, machines and mechanical elements are EXLAR CORP, MOLON MOTOR & COIL CORP and JORDAN CONTROLS INC.

Patent filings in countries

World map showing PRINCE DAVID Cs patent filings in countries
# Country Total Patents
#1 United States 13
#2 Canada 4
#3 Switzerland 1

Patent filings per year

Chart showing PRINCE DAVID Cs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Prince David C 17
#2 David C Prince 1

Latest patents

Publication Filing date Title
US3355016A Sorting device for code bearing articles
US3233226A Recording, translating, and retrieving of intelligence
US2958193A Method and apparatus for self-pressurizing monofuel system
US2850600A High voltage circuit breaker
US2715595A Manufacture of insulated electric cables
US2897267A Recording and translating of intelligence
US2718119A Heat pump
US2761615A Variable capacity compressor
US2761935A Circuit breaker
US2852596A High voltage cable connector
US2676278A Cooling of rotating electrical machinery
US2100748A Power transmission
US2071428A Automatic gear shift
CA552907A High voltage cable
CA561613A Hot gas generator
CA571810A Circuit breaker
CA779487A Recording, translating and retrieving of intelligence