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

Total of 21 patents found where: Category is 'Wall Tube';

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T / S Patent Date Description Patentee Category Assigned To
 1892
U Specimen known 476,964 June 14, 1892 Insulating Tube for Electric Conductors
Wall tube Patent was owned by Pass & Seymour.		 SEYMOUR, Albert P.
 Wall Tube  
 1894
U 517,591 April 3, 1894 Insulating Tube
Wall tube with longitudinal fin ribs		 ROBINSON, Miner
 Wall Tube  
U 522,428 July 3, 1894 Insulator
Wall tube secured with a clip		 MACE, Romaine
 Wall Tube The Interior Conduit & Insulation Co.
 1898
U 607,315 July 12, 1898 Insulator
Wall tube of two split pieces [Scientific American 8-6-1898]		 WINGARD, Charles L.
 Wall Tube 1/2 to Luella Wingard
U 608,906 August 9, 1898 Insulation of Electric Wires
Uses glass tube sealed from the weather to allow conductor to enter a building (see reissue 11,759))		 POCHE, Joseph Arthur
 Wall Tube  
U 615,896 December 13, 1898 Vacuum Insulator for Electric Conductors
Wall tube sealed in vacuum and protected from weather (see 608,906)		 POCHE, Joseph Arthur
 Wall Tube  
 1899
R 11,759 July 11, 1899 Insulation of Electric Wires
Uses glass tube sealed from the weather to allow conductor to enter a building (see 608,906)		 POCHE, Joseph Arthur
 Wall Tube  
 1904
U 759,429 May 10, 1904 Machine for Heading Insulators
Machine for forming the heads on pottery or porcelain wall tubes		 FIRESTONE, Truman L.
 Wall Tube  
U 773,733 November 1, 1904 Insulator
Wall tube with ribs and metal clip		 GREENE, Leon W.
 Wall Tube  
 1907
U 870,187 November 5, 1907 Wall Insulator
Wall tube with skirts		 LOCKE, Fred M.
 Wall Tube  
 1908
U 878,646 February 11, 1908 High Potential Insulator
Wall through bushing with multitude of petticoats		 LOCKE, Fred M.
 Wall Tube  
 1909
U 912,364 February 16, 1909 Insulator for Electrically Charges Wires
Tube for routing wires through wood with spring clip attached to the outside of the tube to prevent the tube from slipping out.		 CONRAD, Stonewall Jackson
 Wall Tube  
 1913
U 1,080,257 December 2, 1913 Insulator
Wall tube with metal clip		 BRUCHSALER, Karl
 Wall Tube  
 1915
U 1,158,105 October 26, 1915 Insulating Tube
Wall tube with wedge projections (made by Illinois Electric Porcelain Co.)		 CALLENDER, Edwin F.
 Wall Tube 1/2 to Belle Callender
U 1,159,798 November 9, 1915 Insulating Tube
Tubes (insulating) made by winding long strips of paper (machine for making)		 REYNDERS, Arthur B.
 Wall Tube Westinghouse Electric & Mfg. Co.
 1916
U 1,171,267 February 8, 1916 Insulator for Electrically Charged Wires
Wall tube with metal gripping strip		 SMITH, George R.
 Wall Tube  
U 1,206,882 December 5, 1916 Insulating Tube
Wall tube with wedge projections		 MORENE, Carl T.
 Wall Tube  
 1920
U 1,342,053 June 1, 1920 Bushing Forming Machine
Machine to manufacture wall tubes and bushings		 MCKNIGHT, Oscar W.
 Wall Tube Brunt Tile & Porcelain Co.
 1921
U 1,381,695 June 14, 1921 Porcelain Tube Heading Machine
Machine for making wall tubes		 BEATTY, Thomas W.
 Wall Tube  
 1923
U 1,469,584 October 2, 1923 Tube Forming Machine
Machine for making porcelain wall tubes		 CASE, Francis M.
 Wall Tube Federal Porcelain Co.
U 1,471,907 October 23, 1923 Machine for Heading Porcelain Tubes and the Like
Machine to make porcelain wall tubes		 MASON, Albert G.
BUCKLEY, Lorenzo C.
 Wall Tube The R. Thomas & Sons Co.

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