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ABBEY HAROLD

Overview
  • Total Patents
    19
About

ABBEY HAROLD has a total of 19 patent applications. Its first patent ever was published in 1968. It filed its patents most often in United States, Canada and France. Its main competitors in its focus markets engines, pumps and turbines, machines and electrical machinery and energy are ZAMA JAPAN, AHLBERG GUSTAV A F and NIPPON WALBRO KK.

Patent filings in countries

World map showing ABBEY HAROLDs patent filings in countries

Patent filings per year

Chart showing ABBEY HAROLDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Abbey Harold G 16

Latest patents

Publication Filing date Title
US5359977A Fluidic metering system
US4895184A Fluid servo system for fuel injection and other applications
BR8503335A Wide range carburetting system to be interposed between the combustion air admission and the input of an internal combustion engine, variable structure with venturi and carburetor characteristics used in this system
US4530805A Flow regulating carburetors
US4387685A Fluidic control system including variable venturi
US4308835A Closed-loop fluidic control system for internal combustion engines
US4250856A Fuel-air ratio automatic control system using variable venturi structure
US4239466A Rotary machine with adjustable means for its eccentric rotor
US4187805A Fuel-air ratio controlled carburetion system
US4118444A Variable venturi carburetion system
CA1008777A Rotary internal combustion engine
US3923431A Sealed slide plates for rotary internal combustion engine
US3597674A Solid-state regulation of power supplies
US3525922A Current-balancing systems for parallel diodes
CA582290A Skip transfer conveyers
CA749683A Cantilevered work carriers for conveyor systems