SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (category = 'Crossarm') ORDER BY patent DESC, type |
Total of 13 patents found where: Category is 'Crossarm';
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T / S | Patent | Date | Description | Patentee | Category | Assigned To |
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 | |
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. |
U | 1,175,077 | March 14, 1916 | Sheet Metal Pole Arm Crossarm made of sheet metal. |
PEIRCE, JR., Charles L. |
Crossarm | |
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. |
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 | |
U | 1,029,207 | June 11, 1912 | Insulator Support Crossarm composed of reinforced concrete |
MEGAHAN, Oliver P. |
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 | |
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 | |
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 |
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 | |
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 |
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 |
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