SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (category = 'Crossarm') ORDER BY description ASC, date, patent, type |
Total of 13 patents found where: Category is 'Crossarm';
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T / S | Patent | Date | Description | Patentee | Category | Assigned To |
1916 | ||||||
U | 1,199,972 | October 3, 1916 | Pole-Arm A metal crossarm that can be bolted to a wooden pole |
ETTE, Charles G. |
Crossarm | St. Louis Malleable Casting Co. |
1895 | ||||||
U | 539,123 | May 14, 1895 | Cross Arm for Carrying Electrical Wires Angle iron crossarm with wood support for insulator pins |
ECKERT, Thomas T. |
Crossarm | |
1906 | ||||||
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 |
1912 | ||||||
U | 1,029,207 | June 11, 1912 | Insulator Support Crossarm composed of reinforced concrete |
MEGAHAN, Oliver P. |
Crossarm | |
1898 | ||||||
U | 600,397 | March 8, 1898 | Arm for Telegraph Poles Crossarm for multiple pins |
ANDERSON, Lee |
Crossarm | 1/2 to Wallace B. Howard and Alex Staggs |
1916 | ||||||
U | 1,175,077 | March 14, 1916 | Sheet Metal Pole Arm Crossarm made of sheet metal. |
PEIRCE, JR., Charles L. |
Crossarm | |
1918 | ||||||
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. |
Crossarm | |
1912 | ||||||
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 |
Crossarm | |
U | 1,032,715 | July 16, 1912 | Insulator Crossarms formed from metal pipe with insulators molded on the metal pins |
WALKER, Oral B. |
Crossarm | |
1908 | ||||||
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 |
Crossarm | |
1905 | ||||||
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. |
Crossarm | |
1916 | ||||||
U | 1,173,418 | February 29, 1916 | Pole Cross-Arm Metal pole crossarm with curved bracket that can be bolted to the pole |
ETTE, Charles G. |
Crossarm | St. Louis Malleable Casting Co. |
1906 | ||||||
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. |
Crossarm |
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