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CENTRAL TRANSFORMER CORP

Overview
  • Total Patents
    27
About

CENTRAL TRANSFORMER CORP has a total of 27 patent applications. Its first patent ever was published in 1954. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets electrical machinery and energy, machines and materials and metallurgy are WAASNER B, LINTON & HIRST LTD and TRANSFIX SOC NOUV.

Patent filings in countries

World map showing CENTRAL TRANSFORMER CORPs patent filings in countries
# Country Total Patents
#1 United States 25
#2 Canada 1
#3 United Kingdom 1

Patent filings per year

Chart showing CENTRAL TRANSFORMER CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Smith George A 12
#2 Winter David F 3
#3 Russell Jr Reuben E 2
#4 Cooper Alfred S 2
#5 Newcombe Frank A 2
#6 Gaddy Jr James L 2
#7 Reinhardt William C 2
#8 Caruthers John E 1
#9 Gill Thomas E 1
#10 Muschong Peter W 1

Latest patents

Publication Filing date Title
US3517917A Annealing form and methods
US3421073A Voltage tap changing apparatus
US3373500A Methods for drying electrical apparatus
US3488563A Underground electric power distribution system
US3284563A Bushing protective hood and connector
US3362066A Electrical core manufacture
US3313983A Transformers
GB1094596A Circuit interrupters
US3319412A Conductor transposing apparatus
US3314030A Transformers with leak- and coronafree direct electrical connections
US3275893A Gas cooled electrical equipment for distribution systems
US3253439A Electrical core manufacture
US3079573A Gas cooled and insulated transformer
US2968862A Method of manufacturing magnetic cores
US2860405A Method of manufacturing transformer cores
US2875507A Method of making magnetic three-phase cores
US2964836A Method of making three-phase cores for transformers
US2954601A Method of making three-phase transformer cores
US2995720A Magnetic cores
US2907967A Magnetic cores for transformers