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Total of 38 patents found where: Category is 'Hook';

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T / S	Patent	Date	Description	Patentee	Category	Assigned To
		1849
U	6,779	October 9, 1849	Supporter for Telegraph Wires Hook encased in metal shell (also House-top insulator?)	LIVINGSTON, L. R. ROGGEN, J. J. ADAMS, Calvin KENDALL, Amos VAIL, Alfred	Hook
		1851
U	8,419	October 14, 1851	Insulator for Telegraph Wires Hook embedded in metal shell (with guta percha) for bolting	ROBBINS, Zenas C.	Hook
		1854
U	11,515	August 15, 1854	Glass Mold Mold and press to manufacture Lefferts ramshorn insulator	BROOKE, William	Hook
		1858
U	21,492	September 14, 1858	Improvement in Telegraph Insulators Hook covered with rubber to insert into crossarm or pole (see 124,199)	FARMER, Moses G. BATCHELDER, John M.	Hook
		1864
U	45,221	November 29, 1864	Improvement in Insulators for Telegraph Wires Hook cemented in glass with metal covering (see reissue 2,717 on 8-6-1867)	BROOKS, David	Hook
		1865
U	49,482	August 15, 1865	Improvement in Insulators for Telegraph Wires Hook encased in insulating material with metal covering with dead air space	WARD, Henry H.	Hook	S. F. Van Choate & Stuart Gwynne
		1866
U	51,934	January 9, 1866	Improvement in Telegraph Insulators Hook with improved rubber cap and flared top	ELY, Alfred B.	Hook
U	52,761	February 20, 1866	Improvement in Telegraph Insulators Hook screwed into block of vulcanite	SMITH, William W.	Hook
U	53,201	March 13, 1866	Telegraph Insulator Hook with glazed enamel at right angle to square pointed shank	WADDELL, William W.	Hook
U	53,246	March 13, 1866	Improvement in Telegraph Insulators Hook insulator	SMITH, William W.	Hook
U	53,426	March 27, 1866	Improvement in Telegraph Insulators Hook covered with rubber attached to rubber hollow ball chamber	ELY, Alfred B.	Hook
U	53,427	March 27, 1866	Improvement in Telegraph Insulators Hook fitted with a disk of rubber	ELY, Alfred B.	Hook
U	56,542	July 24, 1866	Improvement in Insulators for Telegraphs Hook to be inserted directly into pole or crossarm	ELY, Alfred B.	Hook
U	58,594	October 9, 1866	Improvement in Telegraph Insulators Hook with metal shell fastened at right angle to pole	BURNAP, William H. BRASSINGTON, John D.	Hook
		1867
U	63,206	March 26, 1867	Improvement in Insulators for Telegraph Wires Hook encased in metal or wood allows arcing to ground	BROOKS, David	Hook
U	65,886	June 18, 1867	Improvement in Insulators for Telegraph Wires Hook with wooden block, insulator with dead air space and wooden disk, glass lugs	DAY, Alfred B.	Hook
R	2,717	August 6, 1867	Improvement in Insulators for Telegraph Wires Hook cemented in glass & metal case with sulfur (reissue of 45,221)	BROOKS, David	Hook
U	69,622	October 8, 1867	Improvement in Insulators for Telegraphs Hook in blown glass cemented with sulfur in metal case	BROOKS, David	Hook
U	70,052	October 22, 1867	Improvement in Telegraph Insulators Hook in insulating material inserted into crossarm (references Wade insulator) [Smithsonian]	WAITE, John L.	Hook
		1868
U	75,365	March 10, 1868	Improvement in Insulators Hook and block inserted in a bracket	CASTLE, Alfred H.	Hook
U	75,889	March 24, 1868	Improvement in Telegraph Insulators Hook with metal case secured to crossarm (see reissue 75,889)	FINN, J. L.	Hook
U	79,951	July 14, 1868	Improvement in Insulators Hook, improvement on 75,365	CASTLE, A. H.	Hook
		1869
U	92,111	June 29, 1869	Improvement in Telegraph Insulators Hook with paraffin in a cup between hook or insulator and pin	SIMONDS, W. Edgar	Hook
U	97,318	November 30, 1869	Improvement in Telegraph Insulators Hook and conical metal covering for insulators on top of pole	SAFFORD, Alfred G.	Hook
		1870
U	103,122	May 17, 1870	Improvement in Insulators for Telegraphic Wire Hook with metallic oxide cement to hold hook or pin	BAKER, Robert B.	Hook
U	105,656	July 26, 1870	Improvement in Cramp Hook for Telegraphic Wire Insulators Hook with one prong opposite other (assigned to Brooks)	DECHANT, William H.	Hook	David Brooks
		1871
U	112,281	February 28, 1871	Improvement in Insulators for Telegraph Wires Hook, new shape	ROBBINS, Zenas C.	Hook
		1872
U	124,199	March 5, 1872	Improvement in Telegraph Insulators Hook in vulcanite with deep recess saturated with paraffin (see 21,492)	FARMER, Moses G.	Hook
		1875
U	158,868	January 19, 1875	Improvement in Insulating Compounds Hook with composition compound of shellac, asbestos, coal tar & oak black	SMITH, Isaac	Hook	1/2 to George A. Chapman
		1878
U	200,124	February 12, 1878	Improvement in Telegraph Insulators Hook in glass held in crossarm by pin (Brooks & La Bastie)	BROOKS, David	Hook
		1880
R	9,484	November 30, 1880	Telegraph Insulator Hook with metal case secured to crossarm (see 75,889)	FINN, John L.	Hook	Amzi S. Dodd and Chinnock Electric Co.
		1883
U	269,933	January 2, 1883	Insulator for the Suspension of Electrical Wire Conductors Hook insulator of ""gelatinized or vulcanized fiber""	HIGGS, Paget COURTENAY, William	Hook
U	286,681	October 16, 1883	Acoustic and Electric Insulator Hook with devices for suspending and insulating conductors (see 481,132)	BOWEN, William J.	Hook	1/2 to T. T. Keckeler and Z. C. Thiving
		1884
U	293,242	February 12, 1884	Insulator for Electric Wires Hook with different shape and glazed to screw into pole or crossarm	HALE, Albert W.	Hook
U	294,384	March 4, 1884	Insulator for Electric Conductors Hook with metal glazed coated surface (improvement of 293,242)	HALE, Albert W.	Hook
U	301,446	July 1, 1884	Insulator for Electric Wires Hook with glazed covering (see 293,242 and 294,384)	HALE, Albert W.	Hook
		1889
U	396,847	January 29, 1889	Wire Hook Insulated hook with four prongs to wrap line wire around	ASHEN, Peter	Hook	Sylvester Y. L'Hommedieu & Co.
		1890
U	441,849	December 2, 1890	Electric Line Hook Hook made of iron to secure line wire with threaded end to screw in crossarm	LOCKE, Fred M. LAPP, John	Hook	1/3 to Theodore Norton

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