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SELECT DISTINCT patent.*, YEAR(date) as year FROM patent LEFT JOIN category ON category.patent = patent.patent AND category.type = patent.type WHERE (category.class = '501') AND (category.subclass = '66') ORDER BY date ASC, patent, type

Total of 15 patents found where: Class is '501'; Subclass is '66';

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T / S Patent Date Description Patentee Category Assigned To
 1896
U 566,045 August 18, 1896 Insulator for Electrical Purposes
Protective shield of metal with non-conducting enameled coating		 WHITAKER, Alfred J. P.
TREHARNE, Frederick G.
 Protective Shield  
 1914
U Specimen known 1,091,678 March 31, 1914 Insulating Composition
Boro-silicate glass		 LOCKE, Fred M.
 Boron  
U Specimen known 1,091,679 March 31, 1914 Insulator
Boro-silicate glass		 LOCKE, Fred M.
 Boron  
 1915
U Specimen known 1,127,044 February 2, 1915 Insulator
Boro-silicate glass		 LOCKE, Fred M.
 Boron  
 1917
U 1,225,147 May 8, 1917 Insulator
Boro-silicate glass		 LOCKE, Fred M.
 Boron  
U 1,233,486 July 17, 1917 Electrical Insulator
Boro-silicate glass		 LOCKE, Fred M.
 Boron  
 1919
U 1,304,622 May 27, 1919 Heating Vessel
Production of glass baking dishes from Pyrex glass		 SULLIVAN, Eugene C.
TAYLOR, William C.
 Non-electrical Corning Glass Works
U Specimen known 1,304,623 May 27, 1919 Glass
Boro-silicate glass (Corning Pyrex glass)		 SULLIVAN, Eugene C.
TAYLOR, William C.
 Boron Corning Glass Works
 1922
U 1,431,166 October 10, 1922 Glass
Boro-silicate glass		 LOCKE, Fred M.
 Boron  
 1924
U 1,510,521 October 7, 1924 Glass
Boro-silicate glass		 LOCKE, Fred M.
 Boron  
 1925
U 1,529,259 March 10, 1925 Glass
Alumino-silicate glass (Corning's Flameware)		 LOCKE, Fred M.
LOCKE, Fred J.
 Alumino  
 1927
U 1,623,301 April 5, 1927 Heat Resisting Glass
Glass of nearly opaque nature, probably that used for Fry insulators		 BRENNER, Ralph F.
 Glass H. C. Fry Glass Co.
U 1,626,042 April 26, 1927 Glass
Boro-silicate glass		 LOCKE, Fred M.
 Boron  
 1932
U 1,886,280 November 1, 1932 Ultra Violet Ray Transmitting Glass and to a Batch and Method for Making the Same
Boro-silicate glass, method to make glass to transmit UV light		 LOCKE, Fred M.
LOCKE, Fred J.
 Boron Corning Glass Works
 1933
U 1,923,221 August 22, 1933 Process of Melting Glass
Boro-silicate glass, method to make colorless by using graphite pot		 LOCKE, Fred M.
LOCKE, Fred J.
 Boron Corning Glass Works

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