|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 = '176') ORDER BY date ASC, patent, type|
Total of 17 patents found where: Class is '174'; Subclass is '176';
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||287,092||October 23, 1883||Mechanism for Preventing Induced Currents in Telephone Lines
Pre-transposition technique to eliminate induced current on telephone and telegraph wires
|BRENNAN, James W.
|U||336,828||February 23, 1886||Insulator
Hanger for lamp
|TRAVIS, Charles L.
|U||445,008||January 20, 1891||Insulator
Protective shield for trolley hanger insulator
|U||530,706||December 11, 1894||Insulator
Composition insulator with clip ears
|U||838,482||December 11, 1906||Insulator for Line Conductors
Insulator formed with recesses for pipe pin and metal insert crown
|WEED, James Murray
|U||904,592||November 24, 1908||Electrical Conductor Support
Multipart insulator attached on top to a bracket and has hook pin screwed in pinhole to hang line wire below
|ALLEN, John Scott
|U||973,409||October 18, 1910||Insulated Hanger
Tree hanger comprised of cylinder with center groove
|U||1,045,353||November 26, 1912||Insulator for Automatically Securing Conducting Wires
Self-tying miscellaneous non-pin type slot-top
|U||1,273,015||July 16, 1918||Electric Insulator
Suspension made of several parts bolted together
|THOMAS, Percy H.
|U||1,498,622||June 24, 1924||Strain Insulator
Strain insulator for high tension lines that is strong and lightweight
|GODDARD, Walter T.
||Strain||Locke Insulator Corp.|
|U||1,621,246||March 15, 1927||Insulator
High tension insulator made of parts with metal plates bolted to upper and lower surface or suspension disks bolted together
|GODDARD, Walter T.
||Multipart||Locke Insulator Corp.|
|U||1,815,598||July 21, 1931||Insulating Member for High Tension Construction
Wooden shaft with metal fittings to insulate guy wires on high voltage transmission poles
|STROUP, Charles L.
|U||1,848,622||March 8, 1932||Insulator
Suspension rod with metallic shields to keep upper and lower parts dry to prevent electrical leakage
|GOUVERNEUR, Minor F. H.
||Suspension||Locke Insulator Corp.|
|U||1,920,978||August 8, 1933||Insulator
Clamp type with lag screw
|U||1,931,626||October 24, 1933||Insulator
Threads molded from cement in finished insulator
|STEVENS, Frank J.
||Thread||Locke Insulator Corp.|
|U||1,960,147||May 22, 1934||Insulator and Method of Treating It
Suspension, glass under cap is etched & treated with graphite
|FULCHER, Gordon S.
||Suspension||Corning Glass Works|
|U||2,081,832||May 25, 1937||Insulator
Wireholder with hole and lag screw
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