|SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (category = 'Crossarm') ORDER BY patent ASC, type|
Total of 11 patents found where: Category is 'Crossarm';
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|
|U||539,123||May 14, 1895||Cross Arm for Carrying Electrical Wires
Angle iron crossarm with wood support for insulator pins
|ECKERT, Thomas T.
|U||600,397||March 8, 1898||Arm for Telegraph Poles
Crossarm for multiple pins
||Crossarm||1/2 to Wallace B. Howard and Alex Staggs|
|U||804,630||November 14, 1905||Support for Pole Crossarms
Metal bracket to attach a wooden crossarm to the pole and to prevent the crossarm from moving up or down from horizontal and eliminate the need to mortise the pole.
|SHORT, Edward C.
|U||809,743||January 9, 1906||Crossarm for Carrying High-Tension Wires
Crossarm and insulators made of glass or other insulating material
|PETERY, Evan E. P.
||Crossarm||1/2 to Samuel Bowsher|
|U||838,537||December 18, 1906||Cross Arm for Electrical Construction
Steel crossarm with threaded pins on top and threaded holes underneath for hooks
|HAMILTON, Evlyn S.
|U||884,142||April 7, 1908||Insulator
Cylindrical insulator with spiraling ribs to screw insulator into crossarm, center groove to hold line wire, external grooves to carry water away and drip points or serrations to allow water to drip down
|FOREMAN, Ernest Jay
|U||1,029,207||June 11, 1912||Insulator Support
Crossarm composed of reinforced concrete
|MEGAHAN, Oliver P.
|U||1,032,715||July 16, 1912||Insulator
Crossarms formed from metal pipe with insulators molded on the metal pins
|WALKER, Oral B.
|U||1,047,176||December 17, 1912||Cross Arm
Crossarm stamped out of sheet metal and easy to install
|CRABTREE, Lawrence L.
RIPLEY, T. Charley
|U||1,175,077||March 14, 1916||Sheet Metal Pole Arm
Crossarm made of sheet metal.
|PEIRCE, JR., Charles L.
|U||1,257,769||February 26, 1918||Telephone Pole Cross Arm
Crossarm made of U-shaped metal channel iron fitted with knob insulators bolted to the crossarm. A lower crossarm is then bolted on its ends to the upper crossarm.
|VINCELL, Lafayette M.
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