Learn more

HALL JOHN WILLIAM

Overview
  • Total Patents
    39
About

HALL JOHN WILLIAM has a total of 39 patent applications. Its first patent ever was published in 1893. It filed its patents most often in United Kingdom, Canada and Switzerland. Its main competitors in its focus markets engines, pumps and turbines and transport are LUC COURT, LAWRENCE STOKES CHARLES and AMBROSETTI ETTORE.

Patent filings in countries

World map showing HALL JOHN WILLIAMs patent filings in countries
# Country Total Patents
#1 United Kingdom 16
#2 Canada 6
#3 Switzerland 6
#4 United States 5
#5 Austria 4
#6 Denmark 1
#7 Spain 1

Patent filings per year

Chart showing HALL JOHN WILLIAMs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Hall John William 32
#2 Baynes Cyril 9
#3 John William Hall 5
#4 Hall John-William 1
#5 Alexander Lewis Wallace 1

Latest patents

Publication Filing date Title
US1290182A Fuel-feeding device for internal-combustion engines.
GB107648A Improvements in or relating to Fuel-feeding Devices for Internal Combustion Engines.
GB191403724A Improvements in or relating to Fluid Fuel Injection Apparatus for Internal Combustion Engines.
GB191318613A Improvements in or relating to Fuel Feeders for Combustion Engines.
CA155228A Internal combustion engine
US1187829A Internal-combustion engine.
US1142563A Detachable rim for resilient tires.
CA141186A Rim for wheels
GB191207793A Improvements in or relating to Internal Combustion Engines.
GB191109281A Improvements in or relating to Detachable Rims for Resilient Tyres.
CA137279A Non-refillable bottle
US1010621A Detachable rim for wheels.
CA125183A Rim for wheels
US1022842A Detachable rim for resilient tires.
GB190809842A Improvements in Detachable and Divisible Rims for Pneumatic Tyres.
GB190704148A Improvements in or relating to Hydraulic Variable Transmission Mechanism.
CA81882A Power transmission apparatus
CA81881A Power transmission apparatus
GB190300442A Improvements in or relating to Hydraulic Variable Transmission Mechanism.
GB190122406A Improvements in or relating to Fluid-pressure Power Transmission Apparatus.