John Lewis Sr.

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Weldable conduit method of forming
- Patent number 7,243,409
- Issue date Jul 17, 2007
- John K. Lewis
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Adjustable pipe connector
- Patent number 6,471,249
- Issue date Oct 29, 2002
- John K. Lewis
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Corrosion barrier with antibacterial protection for pipe connections
- Patent number 5,984,370
- Issue date Nov 16, 1999
- John K. Lewis
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Cylindrical corrosion barrier for pipe connections
- Patent number 5,566,984
- Issue date Oct 22, 1996
- William D. Abbema
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Cylindrical corrosion barrier for pipe connections
- Patent number 5,547,228
- Issue date Aug 20, 1996
- Wiliam D. Abbema
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Athletic towel
- Patent number 5,012,543
- Issue date May 7, 1991
- John Lewis
- A41 - WEARING APPAREL

Patents Applicationslast 30 patents

Information Patent Application
Weldable conduit and method
- Publication number 20050005983
- Publication date Jan 13, 2005
- John K. Lewis
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Weldable conduit and method
- Publication number 20050006899
- Publication date Jan 13, 2005
- John K. Lewis
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
System and method for coupling conduit
- Publication number 20050006900
- Publication date Jan 13, 2005
- John K. Lewis
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...