Curtis L. Hanvey Jr.

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Boiling Springs, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Systems and processes for recycling glass fiber waste material into...
- Patent number 6,199,778
- Issue date Mar 13, 2001
- PPG Industries Ohio, Inc.
- Curtis L. Hanvey
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Systems and process for recycling glass fiber waste material into g...
- Patent number 6,029,477
- Issue date Feb 29, 2000
- PPG Industries Ohio, Inc.
- Curtis L. Hanvey
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
System and process for recycling waste material produced by a glass...
- Patent number 5,772,126
- Issue date Jun 30, 1998
- PPG Industries, Inc.
- Curtis L. Hanvey
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Production of glass fibers from scrap glass fibers
- Patent number 5,352,258
- Issue date Oct 4, 1994
- PPG Industries, Inc.
- Stanley C. DeGreve
- C03 - GLASS MINERAL OR SLAG WOOL