Learn more

PETTER ERNEST WILLOUGHBY

Overview
  • Total Patents
    25
About

PETTER ERNEST WILLOUGHBY has a total of 25 patent applications. Its first patent ever was published in 1901. It filed its patents most often in United Kingdom, United States and Canada. Its main competitors in its focus markets engines, pumps and turbines, environmental technology and thermal processes are BLANK DAVID A, MAGNETI MARELLI MOTOPROPULSION and ENERGY CONVERSIONS INC.

Patent filings in countries

World map showing PETTER ERNEST WILLOUGHBYs patent filings in countries
# Country Total Patents
#1 United Kingdom 18
#2 United States 3
#3 Canada 2
#4 Switzerland 1
#5 Spain 1

Patent filings per year

Chart showing PETTER ERNEST WILLOUGHBYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Petter Ernest Willoughby 23
#2 Brooks Herbert 2
#3 Ernest Willoughby Petter 1
#4 Brown Arthur Mogg 1

Latest patents

Publication Filing date Title
GB121556A Improvements in or relating to Internal Combustion Engines of the Two-cycle Type.
GB118538A Improvements in Means for Controlling the Supply of Liquid Fuel to Internal Combustion Engines.
GB121511A Improvements in Means for Controlling the Supply of Liquid Fuel to Internal-combustion Engines.
US1249478A Means for controlling the supply of liquid fuel in internal-combustion engines.
CA174295A Engine fuel control mechanism
CA171615A Internal combustion engine
US1296214A Internal-combustion engine of the two-cycle type.
US1252166A Means for controlling the supply of liquid fuel to internal-combustion engines.
GB103224A Improvements in Means for Controlling the Supply of Liquid Fuel in Internal Combustion Engines.
GB191514924A Improvements in Means for Controlling the Supply of Liquid Fuel to Internal Combustion Engines.
GB191510699A Improvements in or relating to Internal Combustion Engines of the Two Cycle Type.
GB191325764A Improvements in or relating to Internal Combustion Engines of the Two Cycle Type.
GB191324323A Improvements in the Lubrication of Two Cycle Internal Combustion Engines.
GB191319671A Improvements in or relating to Internal Combustion Engines of the Two Cycle Type.
GB191225162A Improvements in or relating to Internal Combustion Engines of the Two Cycle Type.
GB191224337A Improvements in or relating to Means for Fuel Injection for Internal Combustion Engines Working on the Two Cycle Principle.
GB191106114A Improvements in Methods of Operating Pumps for Supplying Liquid Fuel to Oil Engines.
GB191106115A Improvements in the Construction of Vaporising Chambers and Methods of Vaporising the Liquid Fuel in Oil Engines.
GB190910403A Improvements in Stoves.
GB190908437A An Apparatus for Warming the Fuel Oil for use in Oil Engines.