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 name ON name.patent = patent.patent AND name.type = patent.type LEFT JOIN category ON category.patent = patent.patent AND category.type = patent.type WHERE (category.class = '174') AND (category.subclass = '6') ORDER BY last_name ASC, first_name, date, patent, type

Total of 22 patents found where: Class is '174'; Subclass is '6';

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
 ADAMS, Lawson
U 193,469 July 24, 1877 Improvement in Lightning Rods
Lightning rod composed of water pipes running from the gutters to a water tank buried in the ground (see reissue 7,939)
ADAMS, Lawson
Lightning Rod  
R 7,939 November 6, 1877 Improvement in Lightning Rods
Lightning rod composed of water pipes running from the gutters to a water tank buried in the ground (see 193,469)
ADAMS, Lawson
Lightning Rod  
U 213,367 March 18, 1879 Improvement in Lightning Rods
Lightning rod that passes through a copper tank filled with water and buried in the ground
ADAMS, Lawson
Lightning Rod  
 BROWN, William
U 196,518 October 30, 1877 Improvement in Lightning Conductors
Lightning rod with forked point dropping down to a funnel and pipe similar to gutter and set in the ground
BROWN, William
Lightning Rod Point  
 COLE, James W.
U 362,062 May 3, 1887 Multiple Subsidiary Ground Terminal for Lightning Rods
Lightning rod ground with multiple ground wire to spread current into ground
COLE, James W.
Lightning Rod Ground  
 CROWELL, Ezra
DAWSON, Elisha C.
U 269,018 December 12, 1882 Protecting Apparatus for Buildings
Lightning rod system with adjustable supports at ground level
CROWELL, Ezra
DAWSON, Elisha C.
Lightning Rod  
 DEWEY, Mark W.
U 414,943 November 12, 1889 Method of Utilizing Natural Electric Energy
Method of capturing electric energy from lightning rods and storing in a battery
DEWEY, Mark W.
Lightning Energy The Dewey Corp.
 DODGE, Thomas H.
U 298,357 May 13, 1884 Lightning Conductor
Lightning rod system using barbed wire
DODGE, Thomas H.
Lightning Rod  
 DRAKE, William E.
U 883,303 March 31, 1908 Security Lightning Arrester
Lightning rod with multiple separate points arranged along the conductor on the edges of the roof
DRAKE, William E.
Lightning Rod Point  
 HILL, Charles F.
U 361,520 April 19, 1887 Lightning Rod
Lightning rod with openings for water near the point to allow water to travel down the inside of the rod and a ground point with holes to allow the water to enter the ground
HILL, Charles F.
Lightning Rod  
 KNUDSON, Adolphus A.
U 234,484 November 16, 1880 Lightning Guard for Oil Tanks
System of lightning rods to protect oil tanks with the protection wires brought up high above the center of the tank
KNUDSON, Adolphus A.
Lightning Rod  
 KRETZER, Sidney D.
U 1,098,738 June 2, 1914 Lightning Rod
Lightning rod system with multiple points along the crest and eaves and conductor with multiple ground connections
KRETZER, Sidney D.
Lightning Rod  
 LELONG, Achille
U 693,555 February 18, 1902 Lightning Conductor
Lightning rod point comprised of multiple points connected to a coil of conductor in the ground
LELONG, Achille
Lightning Rod Point  
 MARSHALL, Elbridge
U 589,566 September 7, 1897 Lightning Rod
Lightning rod with two crowns or points and endless cables attaching them together to equalize the current
MARSHALL, Elbridge
Lightning Rod 9/10 to Ed Stein, J. H. Cannon, D. M. Moore, E. A. Dupree, J. H. McEwen, C. A. McEwen, and W. L. McEwen
 MULLEN, George Allen
U 1,244,118 October 23, 1917 System of Lightning Conductors
System of lightning rods to form a metallic cage surrounding the building
MULLEN, George Allen
Lightning Rod  
 SPANG, Henry W.
U 167,415 September 7, 1875 Improvement in Lightning Rods
Lightning rod system tied into the existing gutter of a home or building
SPANG, Henry W.
Lightning Rod  
R 6,835 January 4, 1876 Improvement in Lightning Rods
Lightning rod system tied into the existing gutter of a home or building (see 167,415)
SPANG, Henry W.
Lightning Rod  
U 196,493 October 23, 1877 Improvement in Lightning Conductors
Lighning rod conductor with improved grounding
SPANG, Henry W.
Lightning Rod Conductor  
U 284,082 August 28, 1883 Lightning Conductor
Lightning rod system of two or more rods and grounded to earth
SPANG, Henry W.
Lightning Rod  
 STUART, Harry J.
WOODMAN, David D.
U 636,081 October 31, 1899 Lightning Rod
Lightning rod and conductors with wind-powered current charging a battery to intermittently pass current through the system to aid in lightning protection
STUART, Harry J.
WOODMAN, David D.
Lightning Rod  
 TURNER, John P.
U 895,916 August 11, 1908 Lightning Rod Terminal
Lightning rod terminal with a broad compartment filled with charcoal to aid in conductivity
TURNER, John P.
Lightning Rod  
 WESTCOTT, Fred
U 362,801 May 10, 1887 Lightning Rod
Lightning rod a water tank with overflow pipes to ensure tank is full of water
WESTCOTT, Fred
Lightning Rod  

Total of 0.02 seconds