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JOHN GRAY

Overview
  • Total Patents
    23
About

JOHN GRAY has a total of 23 patent applications. Its first patent ever was published in 1907. It filed its patents most often in United Kingdom, Australia and United States. Its main competitors in its focus markets machines, transport and electrical machinery and energy are VINCENT ANDREW W, HOSHO CORP and PRONTOPHOT HOLDING AG.

Patent filings in countries

World map showing JOHN GRAYs patent filings in countries
# Country Total Patents
#1 United Kingdom 13
#2 Australia 4
#3 United States 3
#4 France 2
#5 Germany 1

Patent filings per year

Chart showing JOHN GRAYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 John Gray 5
#2 Gray John Joseph 2
#3 Gray John 2
#4 Gray James Gordon 1

Latest patents

Publication Filing date Title
AU2004201418A1 Complete one person boat loading moving and long loads carrying system for vehicles
AU2003203546A1 Long load carrier and one person loading system for vehicles
GB1091298A Improvements in or relating to electrodynamic rotating machines
GB1080447A A device for use in the recording of titles on cinematographic film
GB1090141A A titler for cinematographic cameras
US2340184A Spool holder
GB541809A Improvements in and relating to illuminated mimic diagrams
GB534919A Improvements in rotary switches or commutators
GB537511A Improvements in electric cables
GB513922A Improvements relating to electric relays
GB389625A Improvements in and relating to contact assemblies for electric relays
GB383988A A new and improved lamp attachment fitting for rock drills and the like
US1847430A Tool for removing automobile tires from their rims
GB232704A Improvements in connection with high-frequency coils for radio telephony and the like
GB215808A Improved device for distributing powders
GB203909A Improvements relating to press guards
GB188084A A combined hoisting and reefing gear for the mainsail of yachts and fore and aft sailing vessels
US1419043A Tire-chain fastener
AU1514609B An improved bin for household use
AU919207B Device for indicating the ' hits' upon a rifle target