| 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 |
| 1851 | ||||||
| U | 8,419 | October 14, 1851 | Insulator for Telegraph Wires Hook embedded in metal shell (with guta percha) for bolting |
ROBBINS, Zenas C. |
Hook | |
| 1867 | ||||||
| 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. |
Hook | |
| 1870 | ||||||
| U | 105,625 | July 26, 1870 | Improvement in Telegraph Insulators Gutta-percha, paraffin or other insulation separating two metal shells |
BALDWIN, William W. |
Gutta | |
| 1873 | ||||||
| U | 135,334 | January 28, 1873 | Improvement in Telegraph Insulators Blocks (2) (glass) inside a metal box with suspended bolt to hold wire |
HENDRICKS, Nathan |
Block | |
| 1892 | ||||||
| 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. |
Insulator | William Hubbard |
| 1893 | ||||||
| U | 489,658 | January 10, 1893 | Strain Insulator Strain type |
MCCARTHY, Louis |
Strain | |
| 1897 | ||||||
| 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. |
| 1903 | ||||||
| U | 746,469 | December 8, 1903 | Electrical Wire Support Wire support of cylindrical shape & metal support bolt to underhang wire |
CULLEN, Beauregard |
Wire | |
| 1908 | ||||||
| U | 896,934 | August 25, 1908 | Insulator Strain insulator (assigned to Westinghouse) (see article 12236) |
NIKONOW, John P. |
Strain | |
| 1911 | ||||||
| U | 1,000,493 | August 15, 1911 | Insulator for Electric Railway Cars Spool type insulator to suspend electrical equipment from electric train cars |
CHRISTENSEN, John |
Miscellaneous | |
| 1912 | ||||||
| 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. |
Miscellaneous | |
| 1915 | ||||||
| U | 1,166,391 | December 28, 1915 | Insulator Disk type strain with petticoats |
STEINBERGER, Louis |
Electrose | |
| 1918 | ||||||
| U | 1,282,481 | October 22, 1918 | Multiple Section Suspension Insulator Suspension insulator with symmetrical metal parts to reduce electrical strain |
SONNEBORN, Sol S. |
Suspension | |
| 1924 | ||||||
| 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 |
| 1926 | ||||||
| U | 1,608,029 | November 23, 1926 | Insulator Suspension insulator |
LOCKE, Fred M. |
Suspension | |
| 1929 | ||||||
| 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. |
| 1943 | ||||||
| U | 2,317,799 | April 27, 1943 | Line Insulator Insulator composed of a metallic hollow shell coated with ceramic material |
PERLES, Maurice |
Insulator | Mycalex Corp. of America |
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