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RALPH RICARDO HARRY

Overview
  • Total Patents
    78
About

RALPH RICARDO HARRY has a total of 78 patent applications. Its first patent ever was published in 1917. It filed its patents most often in United States and Finland. Its main competitors in its focus markets engines, pumps and turbines, environmental technology and machines are BUSCH SULZER BROS DIESEL ENGINE CO, SEMT and HARRY RALPH RICARDO.

Patent filings in countries

World map showing RALPH RICARDO HARRYs patent filings in countries
# Country Total Patents
#1 United States 76
#2 Finland 2

Patent filings per year

Chart showing RALPH RICARDO HARRYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ralph Ricardo Harry 78
#2 Allen Holt George 2

Latest patents

Publication Filing date Title
US2531788A Starting mechanism for internalcombustion engines
US2450382A Internal-combustion engine
US2464462A Cylinder for internal-combustion engines
US2392266A Method of making weights for centrifugal governors
US2362158A Cooling of pistons
US2367963A Two-cycle sleeve-valve engine
US2392265A Centrifugal governor
US2373779A Multistage compressor
US2373780A Multistage compressor
US2259660A Two cycle internal combustion engine
US2288326A Internal combustion engine
US2318333A Internal combustion engine operating on the two-stroke cycle with liquid fuel injection
US2220661A Two-stroke internal combustion engine
US2220662A Two-stroke internal combustion engine
US2236950A Two-stroke internal combustion engine operating with compression ignition
US2191042A Internal combustion engine of the liquid fuel injection compression ignition type
US2159177A Fuel injection pump for internal combustion engines
US2112787A Internal combustion engine employing liquid fuel injection and compression ignition
US2120768A Combustion chamber of internal combustion engines of the compression ignition type
US2121409A Two-stroke internal-combustion engine