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 = '174') AND (category.subclass = '128.1') ORDER BY date ASC, patent, type

Total of 23 patents found where: Class is '174'; Subclass is '128.1';

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
		1864
U	45,632	December 27, 1864	Improvement in Lightning Rods Lightning rod made up of a core of twisted wires	PRATT, James	Lightning Rod
		1867
U	61,741	February 5, 1867	Improvement in Lightning Rods Lightning rod made from an iron rod with grooves and strips of copper slid into the grooves to make ribs	JILLSON, Clark	Lightning Rod
		1868
U	80,205	July 21, 1868	Improvement in Lightning Rods Lightning rod composed of strands of triangular shaped wire twised into rope and ends of the strands bent out to make multiple points	OTIS, George W.	Lightning Rod
		1869
U	92,638	July 13, 1869	Improvement in Lightning Rods Hollow lightning rod and point rolled from a long flat metal strip	OTIS, Nathaniel	Lightning Rod Point
		1871
U	111,052	January 17, 1871	Improvement in Lightning Rods Lightning rod made of stiffened copper wire and threaded joint on the ends to attach a point	FRICKE, Joseph R.	Lightning Rod
U	112,137	February 28, 1871	Improvement in Lightning Rods Lightning rod made from wrapping multiple layers to build up desired diameter cable	FRICKE, Joseph R.	Lightning Rod
U	119,043	September 19, 1871	Improvement in Lightning Rods Lightning rod made by wrapping angular copper wire around an iron core	MUNSON, David	Lightning Rod
U	122,055	December 19, 1871	Improvement in Lightning Rods Lightning rod made of a solid copper core covered with twisted iron wires	PHELPS, Myron D.	Lightning Rod
		1872
U	128,818	July 9, 1872	Improvement in Lightning Rods Lightning rod made of a core of hollow copper wire covered with twisted hollow copper wires	SCHOONMAKER, John C.	Lightning Rod
U	129,675	July 23, 1872	Improvement in Lightning Rods Lightning rod made of several ropes of twisted angular copper wire twisted around themselves	MUNSON, David	Lightning Rod
U	129,676	July 23, 1872	Improvement in Lightning Rods Lightning rod made of several ropes of twisted angular copper wire twisted around an iron core to reduce cost	MUNSON, David	Lightning Rod
U	129,677	July 23, 1872	Improvement in Lightning Rods Lightning rod made of several ropes of twisted angular copper wire twisted around themselves with iron wire laid in the twist to reduce cost	MUNSON, David	Lightning Rod
		1873
U	135,574	February 4, 1873	Improvement in Lightning Rods Lightning rod made of iron wire cable core with sheet copper wrapped around the outside and edges tucked in between the cables	MUNN, William B.	Lightning Rod
		1875
U	159,961	February 16, 1875	Improvement in Lightning Rods Improvement on patent 122,055 by using smaller wires in greater number to improve flexibility	PHELPS, Myron D.	Lightning Rod
		1876
U	184,164	November 7, 1876	Improvement in Lightning Rods Lightning rod made of a core of twisted copper wire with twisted copper wire strands wrapped around the core and the whole finished cable plated with tin or nickel	MUNSON, David	Lightning Rod
		1877
U	188,444	March 13, 1877	Improvement in Lightning Rods Lightning rod made of copper sheathed iron wire with several iron wires twisted and wrapped around it	VAN LOON, Nicholas	Lightning Rod
U	190,391	May 1, 1877	Improvement in Lightning Rods Lightning rod made of a central galvanized iron rod twisted around with several galvanized rods all soldered together then intertwined with strips of copper that are soldered to the core	VAN LOON, Nicholas	Lightning Rod
		1883
U	270,379	January 9, 1883	Lightning Rod Lightning rod made of hollow copper filled with non-metallic material and special connectors on each end	BRANDON, John H.	Lightning Rod
		1901
U	667,366	February 5, 1901	Lightning Rod Lightning rod with spring metal core wrapped with braided rope conductor	HANSON, Ebbe J.	Lightning Rod
		1907
U	852,572	May 7, 1907	Lightning Conductor Lightning rod conductor made of braided wire with ends of the wire pushed through the braiding of the other to make a good connection	MCCULLOUGH, William H.	Lightning Rod
		1910
U	950,454	February 22, 1910	Lightning Rod Conductor cable made by spiralling one wire around a straight wire and making a cable using multiple pairs	MOORE, George J.	Lightning Rod	Moore Brothers Lightning Rod Co.
		1911
U	1,004,681	October 3, 1911	Lightning Rod Cable Light weight, flexible conductor cable made of twisted and braided wires	PARKER, Edward Henry	Lightning Rod
		1915
U	1,135,940	April 13, 1915	Lightning Rod Cable Flexible lightning rod conductor made of twisted and spiralled wire cable	JUEL, Peter J.	Lightning Rod	H. S. Rottenborg and H. C. Hansen

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