Search the Insulator Patent Reference Library:

Build your search criteria. The patent must match all the values specified.
Select patent types: Utility   Design   Reissue
Patent number:
Date:
Year between: and
Patentee starting with:
City:
State:
Assigned To starting with:
Description containing:
Category:
Class:    Subclass:
Click Search when complete:
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 = '15') AND (category.subclass = '145') ORDER BY date ASC, patent, type

Total of 11 patents found where: Class is '15'; Subclass is '145';

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
 1865
U 50,398 October 10, 1865 Lightning Rod Joints
Lightning rods joined with slip joints		 SMITH, N. E.
 Lightning Rod Coupling  
 1867
U Specimen known 64,654 May 14, 1867 Improvement in Insulators
CD 732.2, threadless insulator with enlarged chamber for slotted pin (CJ 6-93-12)		 FLOYD, George
 Insulator  
 1871
U 113,869 April 18, 1871 Improvement in Lightning Rods
Coupling for tubular lightning rods made of a lap or scarf joint		 GAYLORD, Albert A.
 Lightning Rod Coupling  
 1873
U 139,841 June 10, 1873 Improvement in Coupling Tubular Lightning Rods
Means of coupling tubular lightning rods		 WESTON, James H.
 Lightning Rod  
 1875
U 170,377 November 23, 1875 Improvement in Lightning Rods
Coupling for hollow lightning rods composed of a hollow indented plug that fits into indentions in the rod ends		 JOHNSON, Isaac
 Lightning Rod Coupling  
 1876
U 173,962 February 22, 1876 Improvement in Couplings for Tubing and Lightning Rods
Coupling made of a short hollow piece placed inside both ends of the rod and crimped down through the rod ends to secure the sections		 JOHNSON, Isaac
 Lightning Rod Coupling Reyburn, Hunter & Co.
 1882
U 266,075 October 17, 1882 Lightning Rod Joint or Coupling
Internal coupling for hollow lightning rods that can be pinned to the rod		 BALL, Charles E.
 Lightning Rod Coupling  
 1884
U 303,488 August 12, 1884 Coupling for Tubular Lightning Rods
Coupling for tubular lightning rods		 BRADLEY, Sylvester
 Lightning Rod Coupling  
U 305,140 September 16, 1884 Lightning Rod Coupling
Coupling for tubular lightning rods		 BRADLEY, Sylvester
 Lightning Rod Coupling  
 1889
U 400,464 April 2, 1889 Lightning Rod and Coupling
Coupling burr with serrated ends that interlock with the rod sections		 LAWSHE, Spencer R.
 Lightning Rod Coupling  
 1894
U 518,793 April 24, 1894 Lightning Rod and Coupling
Couple with internal threads to screw sections together		 SMITH, John W.
 Lightning Rod Coupling  

Total of 0.01 seconds