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 = '170') ORDER BY patent DESC, type |
Total of 52 patents found where: Class is '174'; Subclass is '170';
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 |
1933 | ||||||
U | 1,937,764 | December 5, 1933 | Insulator Self-tying tree insulator with mounting lag screw and convoluted metal wire clip cemented in the porcelain insulator designed such that the insulator is turned to allow the conductor to be dropped in the slot between the ends of the wire clip and then the insulator is turned 90 degrees to secure the condutor in the wire clip. |
KYLE, William D. |
Tree Insulator | Line Material Co. |
1926 | ||||||
U | 1,594,207 | July 27, 1926 | Insulator Wireholder with lag screw and ring |
KYLE, William D. |
Wireholder | Line Material Co. |
1912 | ||||||
U | 1,032,153 | July 9, 1912 | Insulator Self-tying miscellaneous |
NEMES, Mike |
Self-tying Miscellaneous | |
1908 | ||||||
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 |
Multipart | |
U | 887,578 | May 12, 1908 | Hanger for Electric Wires Tree type - swinging |
BEYER, David S. |
Tree | |
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 | 823,820 | June 19, 1906 | Prong Insulator Ramshorn made of Electrose with lips and spout |
STEINBERGER, Louis |
Ramshorn | |
1904 | ||||||
U | 770,999 | September 27, 1904 | Wire Support Metal support shaped such that the conductor is pinched in the V-groove. The metal support fits inside a tubular insulator made of glass, porcelain or rubber that fits in a hole drilled in the crossarm. |
BETTMANN, Charles Frederick ZAPP, John |
Wire Support | |
1901 | ||||||
U | 679,308 | July 30, 1901 | Insulator Slack wire knob, bracket and suspension clip |
GEISENHONER, Henry |
Slack Wire | General Electric Co. |
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. |
1896 | ||||||
U | 573,101 | December 15, 1896 | Wall Insulator Slack wire ring driven into mortar between bricks |
O'NEILL, James J. |
Slack Wire | |
1890 | ||||||
U | 441,849 | December 2, 1890 | Electric Line Hook Hook made of iron to secure line wire with threaded end to screw in crossarm |
LOCKE, Fred M. LAPP, John |
Hook | 1/3 to Theodore Norton |
1889 | ||||||
U | 402,752 | May 7, 1889 | Insulator CD 289.9 (CD 1182), under crossarm type with triple petticoat |
LOCKE, Fred M. LAPP, John |
Insulator | |
U | 396,847 | January 29, 1889 | Wire Hook Insulated hook with four prongs to wrap line wire around |
ASHEN, Peter |
Hook | Sylvester Y. L'Hommedieu & Co. |
1886 | ||||||
U | 352,437 | November 9, 1886 | Electric Insulator Strain type |
WINTON, Henry D. |
Strain | |
U | 352,436 | November 9, 1886 | Electric Insulator Strain type |
WINTON, Henry D. |
Strain | |
1884 | ||||||
U | 306,719 | October 21, 1884 | Insulator Wooden block with wire projections for holding wire |
CLARK, Eduard |
Wood | |
U | 306,718 | October 21, 1884 | Insulator Wooden block with wire projections for holding wire |
CLARK, Eduard |
Wood | |
U | 301,446 | July 1, 1884 | Insulator for Electric Wires Hook with glazed covering (see 293,242 and 294,384) |
HALE, Albert W. |
Hook | |
U | 294,384 | March 4, 1884 | Insulator for Electric Conductors Hook with metal glazed coated surface (improvement of 293,242) |
HALE, Albert W. |
Hook | |
U | 293,242 | February 12, 1884 | Insulator for Electric Wires Hook with different shape and glazed to screw into pole or crossarm |
HALE, Albert W. |
Hook | |
1883 | ||||||
U | 269,933 | January 2, 1883 | Insulator for the Suspension of Electrical Wire Conductors Hook insulator of ""gelatinized or vulcanized fiber"" |
HIGGS, Paget COURTENAY, William |
Hook | |
1882 | ||||||
U | 258,061 | May 16, 1882 | Screw for Fastening Telegraph Wires Metal screw with self-tying end for holding a telegraph wire. |
HAVILAND, Andrew J. |
Screw | |
1878 | ||||||
U | 200,124 | February 12, 1878 | Improvement in Telegraph Insulators Hook in glass held in crossarm by pin (Brooks & La Bastie) |
BROOKS, David |
Hook | |
1875 | ||||||
U | 158,868 | January 19, 1875 | Improvement in Insulating Compounds Hook with composition compound of shellac, asbestos, coal tar & oak black |
SMITH, Isaac |
Hook | 1/2 to George A. Chapman |
1872 | ||||||
U | 126,038 | April 23, 1872 | Improvement in Fastening Telegraph Wires to Insulators Tie wire with insulated sheath or saddle to insulate it from conductor |
DOREN, Dennis |
Tie Wire | |
U | 124,199 | March 5, 1872 | Improvement in Telegraph Insulators Hook in vulcanite with deep recess saturated with paraffin (see 21,492) |
FARMER, Moses G. |
Hook | |
1871 | ||||||
U | 114,924 | May 16, 1871 | Improvement in Telegraph Insulators CD 158.1 with metal ring with fingers to hold wire |
CHESTER, Stephen |
Insulator | |
U | 112,281 | February 28, 1871 | Improvement in Insulators for Telegraph Wires Hook, new shape |
ROBBINS, Zenas C. |
Hook | |
1870 | ||||||
U | 105,656 | July 26, 1870 | Improvement in Cramp Hook for Telegraphic Wire Insulators Hook with one prong opposite other (assigned to Brooks) |
DECHANT, William H. |
Hook | David Brooks |
U | 103,122 | May 17, 1870 | Improvement in Insulators for Telegraphic Wire Hook with metallic oxide cement to hold hook or pin |
BAKER, Robert B. |
Hook | |
1869 | ||||||
U | 97,318 | November 30, 1869 | Improvement in Telegraph Insulators Hook and conical metal covering for insulators on top of pole |
SAFFORD, Alfred G. |
Hook | |
1868 | ||||||
U | 79,951 | July 14, 1868 | Improvement in Insulators Hook, improvement on 75,365 |
CASTLE, A. H. |
Hook | |
U | 75,365 | March 10, 1868 | Improvement in Insulators Hook and block inserted in a bracket |
CASTLE, Alfred H. |
Hook | |
1867 | ||||||
U | 70,052 | October 22, 1867 | Improvement in Telegraph Insulators Hook in insulating material inserted into crossarm (references Wade insulator) [Smithsonian] |
WAITE, John L. |
Hook | |
U | 69,622 | October 8, 1867 | Improvement in Insulators for Telegraphs Hook in blown glass cemented with sulfur in metal case |
BROOKS, David |
Hook | |
U | 63,206 | March 26, 1867 | Improvement in Insulators for Telegraph Wires Hook encased in metal or wood allows arcing to ground |
BROOKS, David |
Hook | |
1866 | ||||||
U | 58,594 | October 9, 1866 | Improvement in Telegraph Insulators Hook with metal shell fastened at right angle to pole |
BURNAP, William H. BRASSINGTON, John D. |
Hook | |
U | 56,542 | July 24, 1866 | Improvement in Insulators for Telegraphs Hook to be inserted directly into pole or crossarm |
ELY, Alfred B. |
Hook | |
U | 53,427 | March 27, 1866 | Improvement in Telegraph Insulators Hook fitted with a disk of rubber |
ELY, Alfred B. |
Hook | |
U | 53,426 | March 27, 1866 | Improvement in Telegraph Insulators Hook covered with rubber attached to rubber hollow ball chamber |
ELY, Alfred B. |
Hook | |
U | 53,246 | March 13, 1866 | Improvement in Telegraph Insulators Hook insulator |
SMITH, William W. |
Hook | |
U | 53,201 | March 13, 1866 | Telegraph Insulator Hook with glazed enamel at right angle to square pointed shank |
WADDELL, William W. |
Hook | |
U | 52,761 | February 20, 1866 | Improvement in Telegraph Insulators Hook screwed into block of vulcanite |
SMITH, William W. |
Hook | |
U | 51,934 | January 9, 1866 | Improvement in Telegraph Insulators Hook with improved rubber cap and flared top |
ELY, Alfred B. |
Hook | |
1865 | ||||||
U | 47,141 | April 4, 1865 | Improvement in Insulators for Telegraphs Bracket (wooden) with recessed bowl to hold ramshorn [Smithsonian] |
VAN CHOATE, S. F. |
Bracket | |
1864 | ||||||
U | 45,221 | November 29, 1864 | Improvement in Insulators for Telegraph Wires Hook cemented in glass with metal covering (see reissue 2,717 on 8-6-1867) |
BROOKS, David |
Hook | |
1858 | ||||||
U | 21,492 | September 14, 1858 | Improvement in Telegraph Insulators Hook covered with rubber to insert into crossarm or pole (see 124,199) |
FARMER, Moses G. BATCHELDER, John M. |
Hook | |
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 | |
1849 | ||||||
U | 6,779 | October 9, 1849 | Supporter for Telegraph Wires Hook encased in metal shell (also House-top insulator?) |
LIVINGSTON, L. R. ROGGEN, J. J. ADAMS, Calvin KENDALL, Amos VAIL, Alfred |
Hook | |
1869 | ||||||
R | 3,499 | June 8, 1869 | Improvement in Telegraph Insulators Cup under insulator (similar to oil insulator) to maintain dry surfaces (see 71,418) |
SIMONDS, W. Edgar |
Cup | |
1867 | ||||||
R | 2,717 | August 6, 1867 | Improvement in Insulators for Telegraph Wires Hook cemented in glass & metal case with sulfur (reissue of 45,221) |
BROOKS, David |
Hook |
Total of 0.03 seconds