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HAMMOND JR JOHN HAYS

Overview
  • Total Patents
    328
About

HAMMOND JR JOHN HAYS has a total of 328 patent applications. Its first patent ever was published in 1909. It filed its patents most often in United States. Its main competitors in its focus markets machines, weapons and consumer goods are JOHN HAYS HAMMOND JR, HAMMOND JOHN HAYS and MASHINOSTROITELNOE K B FAKEL.

Patent filings in countries

World map showing HAMMOND JR JOHN HAYSs patent filings in countries
# Country Total Patents
#1 United States 328

Patent filings per year

Chart showing HAMMOND JR JOHN HAYSs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hammond Jr John Hays 328

Latest patents

Publication Filing date Title
US2967502A Torpedo
US2972741A Ship's course recorder
US2875436A Television relay system
US2889399A Single frame facsimile system
US2788282A Thermal indicators
US2746206A Moving ball on magnetic track
US2803242A Cooking stove with renewable cooking surface
US2761343A Pipe organ system
US2747101A Smoke dissipating ash tray
US2703078A Cooking stove with renewable cooking surface
US2689083A Submarine attack computer
US2689114A Magnetic mixer
US2704784A Television image recorder and control system
US2649288A Magnetic mixer
US2578541A Automatic frequency corrected transmission system
US2511708A Phonograph record
US2623117A Television type facsimile receiving system
US2642492A Television type facsimile transmission system
US2656412A Television type facsimile transmission system
US2542329A Magnetic bottle opener