William L. Schaefer

Person

Gibsonia, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Systems and methods for severing elongated material
- Patent number 6,845,698
- Issue date Jan 25, 2005
- PPG Industries Ohio, Inc.
- Timothy S. McAbee
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Apparatus, systems and methods for transporting a cylindrical package
- Patent number 5,797,557
- Issue date Aug 25, 1998
- PPG Industries, Inc.
- Songhao Wang
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Programmably controlled fiber glass strand feeders and improved met...
- Patent number 4,964,891
- Issue date Oct 23, 1990
- PPG Industries, Inc.
- William L. Schaefer
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Grant
Stationary strand deflector for continuous strand manufacture
- Patent number 4,955,999
- Issue date Sep 11, 1990
- PPG Industries, Inc.
- William L. Schaefer
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Grant
Hollow glass fiber bushing assembly
- Patent number 4,735,642
- Issue date Apr 5, 1988
- PPG Industries, Inc.
- Thomas H. Jensen
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Hollow fiber bushing tip
- Patent number 4,704,149
- Issue date Nov 3, 1987
- PPG Industries, Inc.
- Eugene J. Palamara
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Glass fiber forming bushing construction
- Patent number 4,591,371
- Issue date May 27, 1986
- PPG Industries, Inc.
- William L. Schaefer
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Bushing construction
- Patent number 4,566,888
- Issue date Jan 28, 1986
- PPG Industries, Inc.
- William L. Schaefer
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Environmental control of a glass fiber forming bushing
- Patent number 4,088,469
- Issue date May 9, 1978
- PPG Industries, Inc.
- William L. Schaefer
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Apparatus for forming glass fibers
- Patent number 4,071,342
- Issue date Jan 31, 1978
- PPG Industries, Inc.
- William L. Schaefer
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method and apparatus for chopping glass strands
- Patent number 4,045,196
- Issue date Aug 30, 1977
- PPG Industries, Inc.
- William L. Schaefer
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Apparatus for chopping coated glass fibers
- Patent number 4,043,779
- Issue date Aug 23, 1977
- PPG Industries, Inc.
- William L. Schaefer
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Temperature controlled heater tray
- Patent number 4,024,647
- Issue date May 24, 1977
- PPG Industries, Inc.
- William L. Schaefer
- F26 - DRYING
Information Patent Grant
Insulated heater tray for making glass fibers and method for using...
- Patent number 3,996,032
- Issue date Dec 7, 1976
- PPG Industries, Inc.
- Donald E. McWilliams
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Grant
Method and apparatus for removing cutting blades from an annular cu...
- Patent number 3,965,563
- Issue date Jun 29, 1976
- PPG Industries, Inc.
- William L. Schaefer
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Systems and methods for severing elongated material
- Publication number 20030162452
- Publication date Aug 28, 2003
- Timothy S. McAbee
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING

William L. Schaefer

Person

Patents Grantslast 30 patents

Systems and methods for severing elongated material

Apparatus, systems and methods for transporting a cylindrical package

Programmably controlled fiber glass strand feeders and improved met...

Stationary strand deflector for continuous strand manufacture

Hollow glass fiber bushing assembly

Hollow fiber bushing tip

Glass fiber forming bushing construction

Bushing construction

Environmental control of a glass fiber forming bushing

Apparatus for forming glass fibers

Method and apparatus for chopping glass strands

Apparatus for chopping coated glass fibers

Temperature controlled heater tray

Insulated heater tray for making glass fibers and method for using...

Method and apparatus for removing cutting blades from an annular cu...

Patents Applicationslast 30 patents

Systems and methods for severing elongated material