|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 = '180') ORDER BY date ASC, patent, type|
Total of 18 patents found where: Class is '174'; Subclass is '180';
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||8,419||October 14, 1851||Insulator for Telegraph Wires
Hook embedded in metal shell (with guta percha) for bolting
|ROBBINS, Zenas C.
|U||65,886||June 18, 1867||Improvement in Insulators for Telegraph Wires
Hook with wooden block, insulator with dead air space and wooden disk, glass lugs
|DAY, Alfred B.
|U||105,625||July 26, 1870||Improvement in Telegraph Insulators
Gutta-percha, paraffin or other insulation separating two metal shells
|BALDWIN, William W.
|U||135,334||January 28, 1873||Improvement in Telegraph Insulators
Blocks (2) (glass) inside a metal box with suspended bolt to hold wire
|U||467,942||February 2, 1892||Insulator
Suspension type using mica sheets with metal case
|LEE, Charles T.
||Suspension||1/2 to The Gould & Watson Co.|
|U||481,132||August 16, 1892||Insulator
Device and insulator for suspending wires using one or more insulators encased in a metal sphere with wire suspended by means of a bolt or hook set in the center of the two halves of the spherical insulator (see 286,681)
|BOWEN, William J.
|U||489,658||January 10, 1893||Strain Insulator
|U||593,625||November 16, 1897||Insulated Hanger
Hanger insulator of glass or porcelain encased in metal for arc lamps
|WARNER, Ernest P.
||Hanger||Western Electric Co.|
|U||746,469||December 8, 1903||Electrical Wire Support
Wire support of cylindrical shape & metal support bolt to underhang wire
|U||896,934||August 25, 1908||Insulator
Strain insulator (assigned to Westinghouse) (see article 12236)
|NIKONOW, John P.
|U||1,000,493||August 15, 1911||Insulator for Electric Railway Cars
Spool type insulator to suspend electrical equipment from electric train cars
|U||1,035,231||August 13, 1912||Insulator
Use of varnish residue to secure hold metal suspension parts to a porcelain hood or skirt
|RANDOLPH, Leonard M.
|U||1,166,391||December 28, 1915||Insulator
Disk type strain with petticoats
|U||1,282,481||October 22, 1918||Multiple Section Suspension Insulator
Suspension insulator with symmetrical metal parts to reduce electrical strain
|SONNEBORN, Sol S.
|U||1,484,569||February 19, 1924||Ceramic Body
Method of making a suspension disk by inserting a fired porcelain part inside the bottom of an unfired disk, then firing the disk, which shrinks around the insert securing a cemented pin inside
|SCHEID, Johannes Friedrich
||Suspension||H. Schomburg & Shone|
|U||1,608,029||November 23, 1926||Insulator
|LOCKE, Fred M.
|U||1,717,885||June 18, 1929||Mounting for Electric Conductors
Hanger insulator made of rubber for trolley conductor
|LEIPERT, August H.
||Hanger||The Rubber Shock Insulator Corp.|
|U||2,317,799||April 27, 1943||Line Insulator
Insulator composed of a metallic hollow shell coated with ceramic material
||Insulator||Mycalex Corp. of America|
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