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Barry Woods JOHNSTON
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Baltimore, MD, US
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Patents Grants
last 30 patents
Information
Patent Grant
Near-adiabatic engine
Patent number
10,982,543
Issue date
Apr 20, 2021
Barry W. Johnston
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Nearly full adiabatic engine
Patent number
10,451,000
Issue date
Oct 22, 2019
Barry W. Johnston
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Adiabatic expansion heat engine and method of operating
Patent number
8,156,739
Issue date
Apr 17, 2012
Barry Woods Johnston
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Fluid pump
Patent number
7,866,953
Issue date
Jan 11, 2011
Barry Woods Johnston
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Calf pen feeder bucket
Patent number
D589214
Issue date
Mar 24, 2009
Barry Johnston
D30 - Animal husbandry
Information
Patent Grant
Floating river debris skimmer
Patent number
6,860,677
Issue date
Mar 1, 2005
Barry Johnston
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Multicylinder self-starting uniflow engine
Patent number
6,505,538
Issue date
Jan 14, 2003
Barry Johnston
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Cable braced, open air chapel/meeting hall
Patent number
6,026,614
Issue date
Feb 22, 2000
Barry Johnston
E04 - BUILDING
Information
Patent Grant
Multicylinder self-starting uniflow engine
Patent number
5,806,403
Issue date
Sep 15, 1998
Barry Johnston
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Multicyclinder self-starting uniflow engine
Patent number
4,947,731
Issue date
Aug 14, 1990
Barry Johnston
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Multicylinder self-starting uniflow engine
Patent number
4,938,117
Issue date
Jul 3, 1990
Barry W. Johnston
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Closed loop system with regenerative heating and pump-driven recirc...
Patent number
4,926,643
Issue date
May 22, 1990
Barry Johnston
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Closed loop recirculation system for a working fluid with regeneration
Patent number
4,805,410
Issue date
Feb 21, 1989
Barry Johnston
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Valve mechanism for controlling a reciprocating engine power stroke
Patent number
4,788,823
Issue date
Dec 6, 1988
Barry W. Johnston
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Grant
Closed loop solar collector system powering a self-starting uniflow...
Patent number
4,698,973
Issue date
Oct 13, 1987
Barry W. Johnston
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Grant
Closed loop solar collector system powering a self-starting uniflow...
Patent number
4,627,241
Issue date
Dec 9, 1986
Barry W. Johnston
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Grant
Spreadable honey
Patent number
4,532,143
Issue date
Jul 30, 1985
The J. M. Smucker Company
Charles Brain
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Closed loop solar collector system with dual reservoirs and fluid b...
Patent number
4,412,529
Issue date
Nov 1, 1983
Barry W. Johnston
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Closed loop solar collecting system operating a thermoelectric gene...
Patent number
4,407,129
Issue date
Oct 4, 1983
Barry W. Johnston
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Closed loop solar collector system with dual chamber fluid supply a...
Patent number
4,397,300
Issue date
Aug 9, 1983
Barry W. Johnston
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Closed loop solar collector system with dual reservoirs and fluid b...
Patent number
4,354,483
Issue date
Oct 19, 1982
Barry W. Johnston
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Closed loop solar collector system
Patent number
4,286,579
Issue date
Sep 1, 1981
Barry Johnston
F24 - HEATING RANGES VENTILATING
Patents Applications
last 30 patents
Information
Patent Application
NEAR-ADIABATIC ENGINE
Publication number
20200040731
Publication date
Feb 6, 2020
Barry W. JOHNSTON
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
A NEARLY FULL ADIABATIC ENGINE
Publication number
20180238265
Publication date
Aug 23, 2018
Barry W. JOHNSTON
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
ADIABATIC EXPANSION HEAT ENGINE AND METHOD OF OPERATING
Publication number
20110041506
Publication date
Feb 24, 2011
Barry Woods JOHNSTON
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Fluid Pump
Publication number
20080085198
Publication date
Apr 10, 2008
Barry Woods Johnston
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Floating river debris skimmer
Publication number
20040115003
Publication date
Jun 17, 2004
Barry Johnston
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING