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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 = '65') AND (category.subclass = '316') ORDER BY date ASC, patent, type

Total of 20 patents found where: Class is '65'; Subclass is '316';

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T / S Patent Date Description Patentee Category Assigned To
 1870
U Specimen known 99,145 January 25, 1870 Improvement in the Manufacture of Insulators for Telegraph Poles
Press for making insulators, first making hole, then threads
BROOKE, Homer
Press  
U Specimen known 103,555 May 31, 1870 Improved Mode of Forming Glass Insulators
Press for making insulators using 2-piece mold & one forming operation (see reissue 9,392 on 9-28-1880)
BROOKFIELD, James M.
Press  
 1871
U 116,926 July 11, 1871 Improvement in Glass Presses
Press for forming threads in insulators whereby the threaded mandrel remains in the insulator and removed after glass has set up
BROOKE, Aries P.
Press  
U Specimen known 122,015 December 19, 1871 Improvement in Molding Telegraph Insulators
CD 127.4; Press for making insulators first forming interior then threaded pinhole
HEMINGRAY, Robert
Press  
 1872
U 128,280 June 25, 1872 Improvement in Glass Presses
Press for making insulators
BROOKE, Aries P.
Press William Brookfield
U 131,153 September 10, 1872 Improvement in Presses for Making Glass Insulators
Press for making insulator and threads
DEEMER, Henry C.
EUFINGER, Joseph W.
Press  
 1875
U 162,894 May 4, 1875 Improvement in Machines for Pressing and Molding Glass
Press for making glass insulators
BROOKE, Aries P.
Press James M. Brookfield
 1880
R Specimen known 9,392 September 28, 1880 Mode of Forming Insulators
Press for forming insulator and threaded pinhole (reissue of 103,555)
BROOKFIELD, James M.
Press  
 1881
U Specimen known 242,825 June 14, 1881 Glass Press for the Manufacture of Insulators
Press for making glass insulators
HEMINGRAY, Robert
Press  
 1883
U 275,298 April 3, 1883 Manufacture of Glassware
Method of forming threads in mouth of jars. Patent was used by the Cadiz Glass Co.
WALLACE, William M.
Press  
U 281,740 July 24, 1883 Glass Press
Glass press that can be adapted for insulator manufacture. Patent was used by the Cadiz Glass Co.
WALLACE, William M.
Press  
U 283,321 August 14, 1883 Molding Screw Forms in Plastic Material
Press for forming threads (referenced in one of the Brookfield/Elmer Glass lawsuits)
BROOKE, Homer
Press  
 1890
U 419,875 January 21, 1890 Screw Press for Insulators
Press for making insulators
PEASE, Jacob
Press William Brookfield
 1902
U 716,343 December 16, 1902 Machine for Forming the Interiors of Plastic Materials
Press for making porcelain insulators
LOCKE, Fred M.
Press  
 1906
U 817,835 April 17, 1906 Apparatus for Manufacturing Glass Articles
Press for making glassware
CROSKEY, John H.
Press Duquesne Glass Co.
U 820,477 May 15, 1906 Apparatus for Manufacturing Glass Articles
Press for making glassware
CROSKEY, John H.
Press Duquesne Glass Co.
 1924
U 1,488,474 April 1, 1924 Machine for Molding Insulators
Press and molding machine for porcelain insulators
BURNS, James A.
Press Westinghouse Electric & Mfg. Co.
 1930
U 1,764,268 June 17, 1930 Glass Forming Machine
Machine to form threads in glass articles such as insulators. (see patent 1,185,687)
LA FRANCE, Richard
Manufacturing Owens-Illinois Glass Co.
 1940
U 2,215,984 September 24, 1940 Apparatus for Producing Hollow Glass Articles
Glass suction press for CD 128
SOUBIER, Leonard D.
Press Owens-Illinois Glass Co.
 1941
U 2,238,198 April 15, 1941 Insulator Press
Insulator press with multiple molds for pressing glass insulators
WEBER, Walter C.
Press Corning Glass Works

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