Search the Insulator Patent Reference Library

Search the Insulator Patent Reference Library:

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 = '428') ORDER BY date ASC, patent, type

Total of 39 patents found where: Class is '428';

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T / S	Patent	Date	Description	Patentee	Category	Assigned To
		1852
U	8,930	May 4, 1852	Improvement in Lightning Rods Lightning rod point made of steel coated with various other metals such as copper, tin, etc.	SPRATT, James	Lightning Rod Point
		1858
U	19,819	March 30, 1858	Improvement in Lightning Conductors Lightning rod made of iron wires wrapped with copper sheets	WHITE, Oren	Lightning Rod	Henry C. Janes
		1866
U	52,541	February 13, 1866	Improvement in Lightning Rods Lightning rod with four ribs where halves with two ribs slide together to make any desired length	CUSHMAN, S. D.	Lightning Rod
		1868
U	77,729	May 12, 1868	Improvement in Lightning Rods Lightning rod made of wire or iron with a sheet of copper wrapped several times around it	HALL, William	Lightning Rod
		1869
U	92,551	July 13, 1869	Improvement in Lightning Rods Star shaped lightning rod made of 4-edged angle iron with a sheet of copper pressed over the outer surface and then twisted (see reissue 8,429)	VERMILYA, Leland D. REYBURN, William S. HUNTER, Edmund A. W.	Lightning Rod
U	93,609	August 10, 1869	Improvement in Lightning Rods Method of making star shaped lightning rods with silver plated points	FOOT, David A. CHADWICK, Avery	Lightning Rod
		1872
U	123,600	February 13, 1872	Improvement in Lightning Rods Lightning rod made of soft iron flat on the back side and fluted on the front side then covered completely with sheet copper	WELLS, Warren A. HOUSE, George	Lightning Rod
U	132,615	October 29, 1872	Improvement in Lightning Rods Lightning rod made of hollow or solid iron dipped several times in molten copper to coat entire surface with multiple layers	YANCEY, Edwin L.	Lightning Rod
		1876
U	171,744	January 4, 1876	Improvement in Lightning Rods Lightning rod composed of a copper sheet wrapped around a metal bar with copper wrapped wires on either side and the whole twisted	SMITH, Charles H.	Lightning Rod
		1877
U	192,628	July 3, 1877	Improvement in Lightning Rods Glass lightning rod ball with silver or gold coating on the inside	SMITH, Charles H.	Lightning Rod Ornament
U	196,350	October 23, 1877	Improvement in Conductors for Lightning Rods Lightning rod conductor shaped like a trough which is galvanized on outside and lined with Russia iron on the inside and running down from rod to just below the eave with lightning rod resting in the trough	GOSS, Alonzo	Lightning Rod Conductor
		1878
R	8,429	September 24, 1878	Improvement in Lightning Rods Star shaped lightning rod made of 4-edged angle iron with a sheet of copper pressed over the outer surface and then twisted (see 92,551)	VERMILYA, Leland D. REYBURN, William S. HUNTER, Edmund A. W.	Lightning Rod	Rights of Vermilya to Reyburn, Hunter, and Byron P. Moulton
		1881
U	243,021	June 14, 1881	Lightning Rod Ornament Lightning rod ornament consisting of a skeleton of metal wires in the shape of a ball	WELIN, Andrew J.	Lightning Rod Ornament
U	243,630	June 28, 1881	Lightning Rod Lightning rod composed of a zinc tube covered with copper surrounded by twisted spiraling tubes of the same combination	SCHOONMAKER, James H.	Lightning Rod	4/5 to H. D. Morse and N. C. Gault
		1886
U	343,332	June 8, 1886	Ball Ornament for Lightning Rods Glass ball ornament for lightning rods	MUNSON, Alvin Johnston	Lightning Rod Ornament
		1887
U	355,655	January 4, 1887	Ball Ornament for Lightning Rods, &c. Lightning rod ball colored or silvered on the inside with a hollow glass tube to receive the rod and same sealed at the ball to prevent moisture or water from entering the ball	MUNSON, Alvin J.	Lightning Rod Ornament
U	364,605	June 7, 1887	Lightning Rod Lightning rod composed of a hollow core wrapped with small hollow wire which has been wrapped with soft wire and the whole encsed in a copper covering	SCHOONMAKER, James H.	Lightning Rod	2/3 to Henderson D. Morse and Nathaniel C. Gault
		1888
U	386,925	July 31, 1888	Electrical Non-Conductor Non-conducting composition material composed of mica and glue used to coat cheese cloth and made in thin sheets, which are then coated with shellac to repel moisture	LEE, Charles Tennant WAITE, Charles N.	Composition	1/2 to The Gould & Watson Co.
		1892
U	483,646	October 4, 1892	Process of Making Artificial Mica Sheets for Electrical Insulation Molding process to make artificial sheets of mica	DYER, Arthur H. S.	Mica	Eugene Munsell & Co.
		1893
U	492,512	February 28, 1893	Lightning Rod Ball Hollow glass ball with metal tube inserted that is flanged on each end to secure it in the ball	HUM, Edward K.	Lightning Rod Ornament
		1894
U	529,866	November 27, 1894	Ornament for Lightning Rods Inexpensive lightning rod ornament in the method of construction of a weathervane	KEYS, Charles F.	Weathervane
		1896
U	556,984	March 24, 1896	Lightning Rod Ball Method of silvering the interior of the ball and protecting the silver with a coating	HUM, Edward K.	Lightning Rod Ornament
U	563,938	July 14, 1896	Ornament Indicator for Weather Vanes Ornamental weathervane with balls or pendants hanging from the four directions and a ribbed ball below the lightning rod point	MUNSON, Alvin J.	Weathervane
		1925
U	1,556,570	October 6, 1925	Impregnated Wood and Process of Treating Wood Treating wood pins and the like under high temperature with Montan wax and a solvent that penetrates the grain and protects it from weather and decay	COOLIDGE, Joseph R.	Pin	Montan, Inc.
		1938
U	2,110,900	March 15, 1938	Building Block Aluminum welding of blocks with aluminum foil	ZIMMERMAN, Willard P. HOLMES, Minot K.	OI	Owens-Illinois Glass Co.
		1939
U	2,146,596	February 7, 1939	Rubber Insulating Compound and Method of Making the Same Rubber compound for electrical conductors	SCHWARTZ, Emil W. SAVAGE, Manuel H. SPARGO, Francis C.	Rubber	General Electric Co.
		1940
U	2,194,189	March 19, 1940	Pole Line Insulator CD 142, CD 142.4 - tin & iron for iridized coating to reduce water adherence	WHEELER, Herbert H. MCGINNIS, Orris THORDARSON, William	Insulator	Western Union Telegraph Co.
U	2,198,578	April 30, 1940	Double Glazing Double pane window glass with aluminum seal	HAZELTON, Benjamin F. ZIMMERMAN, Willard P. HOLMES, Minot K.	OI	Owens-Illinois Glass Co.
		1942
U	2,274,955	March 3, 1942	High Tension Electric Insulator and Method of Coating Same RFI: antimony coated top	DYKSTRA, Laurence J. MEYER, Edwin M.	RFI	Victor Insulators, Inc.
U	2,281,173	April 28, 1942	Insulator and Method of Producing Conducting Coating Thereon RFI prevention using an inexpensive glaze coating	SANTOMIERI, Sebastian L.	RFI	Victor Insulators, Inc.
		1943
U	2,327,972	August 24, 1943	High Strength Ceramic Surface Manufacturing method of using porcelain ""sand"" with a lower coefficient of expansion than the insulator body to rough up the surface and provide a strong cement joint without reducing the effectiveness of the compression glaze (see 2,337,691)	STETTINIUS, Kenneth E. DEWEY, Benjamin F.	Manufacturing	Lapp Insulator Co., Inc.
		1945
U	2,389,386	November 20, 1945	Glazed Ceramic Compression glaze	RUSSELL, JR., Ralston	Glaze	Westinghouse Electric Corp.
		1948
U	2,434,555	January 13, 1948	Electrical Insulator Method of soldering metal fittings on porcelain bushings made of ""Prestite"".	FISCHER, Eugene H. HARNISH, John D. RUSSELL, JR., Ralston	Manufacturing	Westhinghouse Electric Corp.
		1958
U	2,835,623	May 20, 1958	Method of Forming a Unitary Panel of Glass Blocks Pre-assembled glass block windows and skylight panels	VINCENT, Harold B. MCDAVITT, Murray	OI	Owens-Illinois Glass Co.
		1960
U	2,953,483	September 20, 1960	Method and Apparatus for Applying Coatings to Selected Areas of Articles Radio treatment process for CD 239	TOROK, Julius J.	RFI	Owens-Illinois Glass Co.
		1962
U	3,070,474	December 25, 1962	Bonded Glass Surfaces and Method Therefore Masonry bonding grit for glass block	SMITH, Robert M.	OI	Owens-Illinois Glass Co.
		1964
U	3,127,278	March 31, 1964	Low-Melting Glass Sealant and Article Made Therefrom Welding of glass block and TV Tube parts	FRANCEL, Josef HAGEDORN, Erwin C.	OI	Owens-Illinois Glass Co.
		1988
U	4,749,824	June 7, 1988	High Voltage Insulators Polymer suspension made of silicon elastomer	ORBECK, Tor	Polymer	Dow Corning Corp.
U	4,757,162	July 12, 1988	Rigid Electrical Insulator Including a Lightly Tempered Soda-Lime Glass Dielectric Glass insulator with controlled stress and compression	DUMORA, Denis PARANT, Jean-Paul PARGAMIN, Laurent	Glass	Ceraver

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