James J. Callahan

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Mentor, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Hydropneumatic monitoring device
- Patent number 4,574,920
- Issue date Mar 11, 1986
- Lubriquip-Houdaille, Inc.
- James J. Callahan
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Reversible feeder system
- Patent number 4,572,331
- Issue date Feb 25, 1986
- Lubriquip-Houdaille, Inc.
- John H. Powell
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Cyclic lubricant distributor valve
- Patent number 4,312,425
- Issue date Jan 26, 1982
- Houdaille Industries, Inc.
- John P. Snow
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Single line lubricant reversing feeder
- Patent number 4,105,094
- Issue date Aug 8, 1978
- Houdaille Industries, Inc.
- James J. Callahan
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Lubrication pump
- Patent number 4,099,597
- Issue date Jul 11, 1978
- Houdaille Industries, Inc.
- John H. Powell
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Electrical cable adapted for use on a tractor trailer
- Patent number 3,993,860
- Issue date Nov 23, 1976
- Samuel Moore And Company
- John P. Snow
- H01 - BASIC ELECTRIC ELEMENTS