Search the Insulator Patent Reference Library:

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

View a patent by clicking on the patent number. You can sort by any of the columns by clicking on the column name.

T / S	Patent	Date	Description	Patentee	Category	Assigned To
		1880
R	9,392	September 28, 1880	Mode of Forming Insulators Press for forming insulator and threaded pinhole (reissue of 103,555)	BROOKFIELD, James M.	Press
		1870
U	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	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	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
		1881
U	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

Total of 0.02 seconds