James L. Johnston

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N. Canton, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of making an electrically-heated hose assembly
- Patent number 8,819,922
- Issue date Sep 2, 2014
- Parker-Hannifin Corporation
- Steven M. Powell
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Plastic guard for airbrake tubing and coils
- Patent number 7,357,424
- Issue date Apr 15, 2008
- Parker-Hannifin Corporation
- Steven M. Powell
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
ELECTRICALLY-HEATED HOSE ASSEMBLY FOR SELECTIVE CATALYTIC REDUCTION...
- Publication number 20120234421
- Publication date Sep 20, 2012
- Parker-Hannifin Corporation
- Steven M. Powell
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Tubular Copolyester Member for Tubing and Hose Constructions
- Publication number 20070087150
- Publication date Apr 19, 2007
- Steven M. Powell
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Tubular nylon alloy members for tubing and hose constructions
- Publication number 20060280889
- Publication date Dec 14, 2006
- Steven M. Powell
- B32 - LAYERED PRODUCTS
Information Patent Application
Plastic guard for airbrake tubing and coils
- Publication number 20060108790
- Publication date May 25, 2006
- Steven M. Powell
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Tubular polymeric composites for tubing and hose constructions
- Publication number 20040134555
- Publication date Jul 15, 2004
- Steven M. Powell
- B32 - LAYERED PRODUCTS