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Sheldon A. Canfield

OF Owens-Corning Fiberglas: 8 patents #22 of 488Top 5%
OF Owens Corning Fiberglass: 1 patents #1 of 29Top 4%
📍 Newark, OH: #65 of 391 inventorsTop 20%
🗺 Ohio: #8,998 of 73,341 inventorsTop 15%
Overall (All Time): #593,396 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
4441367 Apparatus for determining fabric tension John W. Daws, Hugh W. Bradley 1984-04-10
4345106 Method of and apparatus for detecting the level of molten glass in a glass melting furnace Paul S. Sanik 1982-08-17
4312657 Method of and apparatus for sensing the level of molten glass in a glass melting furnace Paul S. Sanik 1982-01-26
4302623 Ultrasonic batch sensing apparatus for glass-melting furnaces 1981-11-24
4275297 Electro-optical strand detector Richard H. Pierce, Kenneth L. Rapp 1981-06-23
4233837 Apparatus for measuring tension in a linear material 1980-11-18
4233520 Electro optical control to detect a filament passing through a guide eye and using a light emitting diode 1980-11-11
4206164 Method and apparatus for maintaining the concentricity of a molded pipe 1980-06-03
4194077 Batch sensor for glass-melting furnaces Walter J. Karch 1980-03-18