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HOPEWELL BROTHERS

Overview
  • Total Patents
    14
About

HOPEWELL BROTHERS has a total of 14 patent applications. Its first patent ever was published in 1920. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets engines, pumps and turbines, machines and transport are GASTON GRIFFON, SHINAGAWA DIECAST KOGYO KK and WHEELER SCHEBLER CARBURETOR CO.

Patent filings in countries

World map showing HOPEWELL BROTHERSs patent filings in countries
# Country Total Patents
#1 United States 8
#2 Canada 3
#3 United Kingdom 2
#4 France 1

Patent filings per year

Chart showing HOPEWELL BROTHERSs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wolfard Merl R 8
#2 Hopewell Charles F 3

Latest patents

Publication Filing date Title
US2066922A Manifold for multicylinder internal combustion engines
US2066923A Manifold system for multicylinder internal combustion engines
GB431221A Improvements in and relating to inlet manifolds for internal combustion engines
US1956606A Inlet manifold for internal combustion engines
US1843186A Carburetor
GB268905A Improvements in and relating to carburetting apparatus for internal combustion engines
US1627947A Thermostatic control for carburetors
US1481010A Windshield visor
US1430231A Windshield visor
US1424410A Remote-control mechanism
CA327466A Carbureter
CA271224A Carbureter
CA352357A Internal combustion engine