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PHILCO CORP

Overview
  • Total Patents
    2,824
About

PHILCO CORP has a total of 2,824 patent applications. Its first patent ever was published in 1928. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets audio-visual technology, semiconductors and machines are PHILCO FORD CORP, TELEFUNKEN PATENT and ITT IND GMBH DEUTSCHE.

Patent filings in countries

World map showing PHILCO CORPs patent filings in countries
# Country Total Patents
#1 United States 1,444
#2 Canada 784
#3 United Kingdom 429
#4 France 110
#5 Germany 26
#6 Spain 18
#7 Switzerland 6
#8 Belgium 4
#9 Italy 2
#10 Netherlands 1

Patent filings per year

Chart showing PHILCO CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Bradley William E 120
#2 Sunstein David E 105
#3 Moore Robert C 64
#4 Boothroyd Wilson P 54
#5 Tiley John W 39
#6 Shoemaker Malcolm G 37
#7 Tellier Joseph C 36
#8 Schnable George L 35
#9 Zearfoss Jr Elmer W 30
#10 Clapp Richard G 30

Latest patents

Publication Filing date Title
US3418911A Film developing apparatus
US3656761A Automatic controls for tape players of cartridge type
US4038547A Tracking and sighting instrument
US3324688A Laundry apparatus
US3323099A Electrical apparatus
GB1061107A Improvements in and relating to fluid control valves
US4034949A Optical apparatus
US3296507A Rugged microwave tunnel diode having a fine mesh screen as one electrode supported by two cementitious bodies
US3268775A Spacer means in combination with electrical apparatus mounted on panel structure
GB1060257A Improvements in and relating to the anodic treatment of metallic films
GB1058499A Improvements in and relating to transistor monostable circuits
US3289048A Electric circuit module
US3290909A Laundry apparatus
US3276229A Washing machine with clothes deflecting door
US3276016A Apparatus for the calibration of radar equipment
US3290908A Wash-conditioner dispensing means for clothes washing machines
US3215380A Mounting apparatus
US3269154A Washing machines
US3266274A Laundry apparatus
US3231732A Illuminated cabinet structure