|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 = '43') ORDER BY date ASC, patent, type|
Total of 8 patents found where: Class is '174'; Subclass is '43';
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||289,890||December 11, 1883||Telegraph and Telephone Conductor
Lightning rod insulator system to protect telephone lines from cross talk
|CHAMBERS, Josephus C.
||Lightning Rod Insulator||Vine, Jackson, Gridley|
|U||477,753||June 28, 1892||Insulator
|GOOLD, Frederick D'A
||Clamp Type||The Edison General Electric Co.|
|U||925,561||June 22, 1909||Suspension of High Tension Lines
Suspension system for high tension transmission
|BUCK, Harold W.
HEWLETT, Edward M.
|Suspension||General Electric Co.|
|U||1,326,307||December 30, 1919||Method of and Means for Supporting Electric Conductors
Rod type insulators used as suspension insulators for high voltage conductors.
|THOMAS, Percy H.
|U||1,702,235||February 12, 1929||System of Line Insulation and Insulators Therefor
Odd Electrose insulator
|U||2,305,069||December 15, 1942||Means of Attaching Service Wires
Circular bracket that fits under an insulator or rack spool with holes to allow easy dropping of wires connected to the line
|EMGE, Paul W.
|U||2,517,221||August 1, 1950||Secondary and Service Rack Insulator
Knob - specimens exist called ""pencil holder""
|LOUX, Raymond A.
|U||2,921,112||January 12, 1960||Electric Conductor Strand Separator Insulator
Spacer for conductors
|DYKSTRA, Laurence J.
GRILLS, Lee J.
|Spacer||The Porcelain Insulator Corp.|
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