JOHNSTON BARRY

Overview

Total Patents

12

About

JOHNSTON BARRY has a total of 12 patent applications. Its first patent ever was published in 1979. It filed its patents most often in United States, United Kingdom and EPO (European Patent Office). Its main competitors in its focus markets engines, pumps and turbines, environmental technology and electrical machinery and energy are WILLY SALGE & CO, TIPS MAURICE and JOHANN KUPKA.

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Patent filings in countries

World map showing JOHNSTON BARRYs patent filings in countries

#	Country	Total Patents
#1	United States	7
#2	United Kingdom	2
#3	EPO (European Patent Office)	1
#4	Israel	1
#5	WIPO (World Intellectual Property Organization)	1

Patent filings per year

Chart showing JOHNSTON BARRYs patent filings per year from 1900 to 2020

Similar Companies

WILLY SALGE & CO 74% similarity

TIPS MAURICE 74% similarity

JOHANN KUPKA 73% similarity

ARTURO CAPROTTI 71% similarity

MDI MOTOR DEVELOPEMENT INTERNA 70% similarity

TAKAHASHI SHINSUKE 70% similarity

MUFTIC OMER 70% similarity

WILLY SALGE & CO TECH GES M B 70% similarity

E H HUGO LENTZ DR ING 70% similarity

COGEN MICROSYSTEMS PTY LTD 69% similarity

Focus industries

#	Industry
#1	Engines, pumps and turbines
#2	Environmental technology
#3	Electrical machinery and energy
#4	Transport

Focus technologies

#	Technology
#1	Cyclically operating valves
#2	Machines
#3	Reduction of greenhouse gas emissions
#4	Special wind, spring and weight motors
#5	Machines for liquids
#6	Climate change mitigation in buildings
#7	Steam engine plants
#8	Dynamo-electric machines
#9	Solar heat collectors
#10	Ships

Top inventors

#	Name	Total Patents
#1	Johnston Barry	9
#2	Hamilton Mark	1
#3	Annal William	1
#4	Spence Robert	1

Latest patents

Publication	Filing date	Title
US2011131970A1	2009-05-22	Water current powered generating apparatus
GB0427197D0	2004-12-11	Tidal power generating apparatus
GB0328978D0	2003-12-13	Tidal power generating apparatus
US2004115003A1	2003-06-19	Floating river debris skimmer
US4926643A	1989-07-19	Closed loop system with regenerative heating and pump-driven recirculation of a working fluid
US4947731A	1989-01-05	Multicyclinder self-starting uniflow engine
US4805410A	1988-01-28	Closed loop recirculation system for a working fluid with regeneration
US4286579A	1979-05-30	Closed loop solar collector system