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PORTER ENGINE DEV INC

Overview
  • Total Patents
    19
About

PORTER ENGINE DEV INC has a total of 19 patent applications. Its first patent ever was published in 1923. It filed its patents most often in United States, France and United Kingdom. Its main competitors in its focus markets engines, pumps and turbines, mechanical elements and machines are BRUNS HANS THEODOR, KOLBENSCHMIDT PIERBURG INNOVATIONS GMBH and MECHADYNE PLC.

Patent filings in countries

World map showing PORTER ENGINE DEV INCs patent filings in countries
# Country Total Patents
#1 United States 8
#2 France 5
#3 United Kingdom 5
#4 Germany 1

Patent filings per year

Chart showing PORTER ENGINE DEV INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Porter Finley R 8

Latest patents

Publication Filing date Title
DE464128C Sealing device for rotary valve of internal combustion engines
GB289565A Improvements in means for timing the valves of internal combustion engines
GB278566A Improvements in or relating to the valves of internal combustion engines
GB263048A Improvements in or relating to rotary valves for internal combustion engines
GB263049A Improvements in or relating to rotary valves of internal combustion engines
US1618603A Internal-combustion engine
US1649486A Internal-combustion engine
US1671254A Internal-combustion engine
US1671255A Internal-combustion engine
US1618473A Internal-combustion engine
US1620832A Internal-combustion engine
US1593987A Internal-combustion engine
US1593988A Internal-combustion engine
GB221401A Improvements in packing rotary valves of internal combustion engines