Search the Insulator Patent Reference Library

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SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (category = 'Tree') ORDER BY patent ASC, type

Total of 19 patents found where: Category is 'Tree';

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
		1889
U	403,491	May 14, 1889	Insulating Device for Line Wires Tree hanger split octagon shaped forestry insulator referred to as the Victor	SMITH, Thomas J.	Tree	The E. S. Greeley & Co.
U	413,146	October 15, 1889	Insulator Tree insulator bracket holding wire with two spool type insulator	MCCARTHY, Louis	Tree	Charles Lee & The Gould & Watson Co.
		1890
U	418,766	January 7, 1890	Support for Electric Conductors Brodie tree insulator with large lag screw and adjustable position.	SMITH, Joseph Brodie	Tree
		1891
U	444,879	January 20, 1891	Insulator Tree hanger	ELKINS, Charles	Tree
		1892
U	482,913	September 20, 1892	Insulator Tree insulator	BROOKS, Herbert H.	Tree	1/2 to Augustus T. Clark
		1899
U	626,065	May 30, 1899	Insulator Tree hanger	HOLMES, Welles E.	Tree
		1903
U	725,044	April 14, 1903	Insulator Tree insulator composed of a ball of glass with embedded wire loops	CLAYDON, Charles	Tree
		1904
U	756,026	March 29, 1904	Insulator Tree hanger	KINSLEY, William S. BELL, Stewart S.	Tree
		1905
U	802,096	October 17, 1905	Tree Insulator Tree hanger	DUNTON, Charles W.	Tree	1/2 to Frank Field
		1908
U	887,578	May 12, 1908	Hanger for Electric Wires Tree type - swinging	BEYER, David S.	Tree
		1910
U	951,505	March 8, 1910	Insulating Tube Tree hanger comprised of split tube	MATHER, Thomas T.	Tree
U	973,409	October 18, 1910	Insulated Hanger Tree hanger comprised of cylinder with center groove	CRABBE, Edward	Tree
		1916
U	1,176,629	March 21, 1916	Tree Insulator and Wire Supporter Tree hanger	WALLACE, William H.	Tree
		1918
U	1,258,802	March 12, 1918	Insulator Support Tree type - swinging type with bracket and roller on pin type insulator	MORGAN, Andrew J.	Tree
U	1,282,876	October 29, 1918	Line Conductor Support Tree hanger with spool and lag screw	KYLE, William D.	Tree
		1926
U	1,595,653	August 10, 1926	Tree Insulator Tree hanger - self-tying twist lock with lag screw	GAMMON, Thomas E. AVERILL, Henry D.	Tree	1/2 to Line Material Co.
		1929
U	1,721,657	July 23, 1929	Insulator Tree insulator (porcelain) improved with ribs - strengthening (see 1,620,804)	CUTTER, Scott C.	Tree
		1932
U	1,882,486	October 11, 1932	Insulator Tree hanger grips the wire like a hand	COLE, William H.	Tree
		1944
U	2,361,109	October 24, 1944	Insulating Protector for Conducting Wires Tree insulator to protect the wire	KENNEALLY, Martin M.	Tree	The Porcelain Insulator Corp.

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