Sheldon A. Canfield

Person

Newark, OH, US

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus for determining fabric tension
- Patent number 4,441,367
- Issue date Apr 10, 1984
- Owens-Corning Fiberglas Corporation
- John W. Daws
- G01 - MEASURING TESTING
Information Patent Grant
Method of and apparatus for detecting the level of molten glass in...
- Patent number 4,345,106
- Issue date Aug 17, 1982
- Owens-Corning Fiberglas Corporation
- Sheldon A. Canfield
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method of and apparatus for sensing the level of molten glass in a...
- Patent number 4,312,657
- Issue date Jan 26, 1982
- Owens-Corning Fiberglas Corporation
- Sheldon A. Canfield
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Ultrasonic batch sensing apparatus for glass-melting furnaces
- Patent number 4,302,623
- Issue date Nov 24, 1981
- Owens-Corning Fiberglass Corporation
- Sheldon A. Canfield
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Electro-optical strand detector
- Patent number 4,275,297
- Issue date Jun 23, 1981
- Owens-Corning Fiberglas Corporation
- Sheldon A. Canfield
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Apparatus for measuring tension in a linear material
- Patent number 4,233,837
- Issue date Nov 18, 1980
- Owens-Corning Fiberglas Corporation
- Sheldon A. Canfield
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Electro optical control to detect a filament passing through a guid...
- Patent number 4,233,520
- Issue date Nov 11, 1980
- Owens-Corning Fiberglas Corporation
- Sheldon A. Canfield
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Method and apparatus for maintaining the concentricity of a molded...
- Patent number 4,206,164
- Issue date Jun 3, 1980
- Owens-Corning Fiberglas Corporation
- Sheldon A. Canfield
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Batch sensor for glass-melting furnaces
- Patent number 4,194,077
- Issue date Mar 18, 1980
- Owens-Corning Fiberglas Corporation
- Sheldon A. Canfield
- G05 - CONTROLLING REGULATING
Information Patent Grant
Methods and apparatus for rolling material into a package
- Patent number 4,164,177
- Issue date Aug 14, 1979
- Owens-Corning Fiberglas Corporation
- Sheldon A. Canfield
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Sheldon A. Canfield

Person

Patents Grantslast 30 patents

Apparatus for determining fabric tension

Method of and apparatus for detecting the level of molten glass in...

Method of and apparatus for sensing the level of molten glass in a...

Ultrasonic batch sensing apparatus for glass-melting furnaces

Electro-optical strand detector

Apparatus for measuring tension in a linear material

Electro optical control to detect a filament passing through a guid...

Method and apparatus for maintaining the concentricity of a molded...

Batch sensor for glass-melting furnaces

Methods and apparatus for rolling material into a package