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JOHNSTON BARRY W

Overview
  • Total Patents
    17
  • GoodIP Patent Rank
    185,697
  • Filing trend
    ⇩ 100.0%
About

JOHNSTON BARRY W has a total of 17 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1980. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and Canada. Its main competitors in its focus markets engines, pumps and turbines, environmental technology and thermal processes are CHAE SOO JOH, CYCLE ASS and FRIESTH KEVIN LEE.

Patent filings in countries

World map showing JOHNSTON BARRY Ws patent filings in countries
# Country Total Patents
#1 United States 10
#2 WIPO (World Intellectual Property Organization) 3
#3 Canada 2
#4 EPO (European Patent Office) 2

Patent filings per year

Chart showing JOHNSTON BARRY Ws patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Johnston Barry W 17

Latest patents

Publication Filing date Title
US2020040731A1 Near-adiabatic engine
US2018238265A1 Nearly full adiabatic engine
US4938117A Multicylinder self-starting uniflow engine
US4788823A Valve mechanism for controlling a reciprocating engine power stroke
US4698973A Closed loop solar collector system powering a self-starting uniflow engine
US4627241A Closed loop solar collector system powering a self-starting uniflow steam engine
WO8500855A1 Closed loop solar collector system powering a self-starting uniflow steam engine
US4407129A Closed loop solar collecting system operating a thermoelectric generator system
US4412529A Closed loop solar collector system with dual reservoirs and fluid bypass
US4397300A Closed loop solar collector system with dual chamber fluid supply arrangement
US4354483A Closed loop solar collector system with dual reservoirs and fluid bypass