|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 = '256') AND (category.subclass = '48') ORDER BY date ASC, patent, type|
Total of 37 patents found where: Class is '256'; Subclass is '48';
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||2,284||October 9, 1841||Improvement in the Mode of Attaching the Receiving and Discharge Points of Lightning Conductors
Lightning rod connectors cast on the ends
|ORCUTT, William A.
||Lightning Rod Coupling|
|U||149,763||April 14, 1874||Improvement in Telegraph Insulators
Slotted block to hold wire held to pole with unique pin
|LE BARON, Charles L.
|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.
|U||280,947||July 10, 1883||Insulator for Electrical Conductors
Cylindrical insulator suspended from wire to hold bar separates several wires
|OHL, Percy C.
|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.
|U||296,485||April 8, 1884||Means for Supporting and Insulating Electrical Wires
Wedge block for side of pole or driven in hole in crossarm
|TRINGHAM, John Watson
|U||367,164||July 26, 1887||Insulator
Self-tying slot top
|RUGER, Henry K.
||Self-tying Slot Top|
|U||369,447||September 6, 1887||Insulator
Cleat - clamp type with slotted cylinder and screw eye
|GREENFIELD, Edwin T.
||Cleat||Greenfield & Co.|
|U||378,971||March 6, 1888||Insulator
Block of glass inverted & head combination secured to crossarm by wire
|NEAL, Lewis M.
|U||400,552||April 2, 1889||Telegraph Wire Carrier
Two spools mounted together to secure telegraph wire between them and mounted on a crossarm
|DONALDSON, Robert S.
|U||401,343||April 16, 1889||Electric Wire Nail
U-shaped wire nail that is round at the top to protect the wooden covering over the wire. (see article 12125)
|GILDEMEYER, Charles A.
||Nail||1/2 to Madison Rush|
|U||408,383||August 6, 1889||Line Wire Insulator
Self-tying with bail wire and slot top
|GRAHAM, Carroll G.
|U||411,801||October 1, 1889||Wire Holder and Insulator
|FLETCHER, John R.
|U||418,766||January 7, 1890||Support for Electric Conductors
Brodie tree insulator with large lag screw and adjustable position.
|SMITH, Joseph Brodie
|U||427,296||May 6, 1890||Insulator
CD 141.8 and CD 1037, self-tying with tapered pin hole & clamping flange
|BUZBY, Joseph F.
|U||475,781||May 31, 1892||Electric Wire Holder
Tie wire made of a loop of wire with pre-formed loops on the ends to connect together and curved to interlock with the line wire
|LLOYD, Edwin L.
|U||479,134||July 19, 1892||Insulator
Self-typing nail-knob with arm that secures the wire
|CONOVER, Chauncey E.
|U||518,907||April 24, 1894||Cleat for Supporting Conducting Wires for Electric Circuits
|WYMAN, Horace B.
||Cleat||1/2 to Albert Goodwin|
|U||545,819||September 3, 1895||Electric Insulator
CD 268, hole through crown for tie wire
|ROTHENBERGER, Daniel M.
||Insulator||2/3 to C. Inglis & E. Reilly|
|U||546,383||September 17, 1895||Insulator
Self-tying with crown hole, slot & spacer
|GERSTENLAUER, Daniel M.
|U||562,528||June 23, 1896||Wire Holder
Odd wireholder with two fins or ears that hold the wire
|HAKANSSON, Louis M.
|U||573,101||December 15, 1896||Wall Insulator
Slack wire ring driven into mortar between bricks
|O'NEILL, James J.
|U||583,692||June 1, 1897||Insulator
Clamp type with lag screw
|U||584,823||June 22, 1897||Combined Bracket and Insulator
Combined bracket and insulator with bracket made of non-conducting material such as glass or porcelain
|MEAD, George Warren
|U||587,614||August 3, 1897||Electric Wire Holder
|STRAM, Charlie J.
|U||591,104||October 5, 1897||Insulator for Electric Wires
Cleat - self-tying
|U||627,366||June 20, 1899||Insulator for Fastening Electric Wires
Knob - self-tying
||Knob||Harry Painter and Christopher Turton|
|U||660,140||October 23, 1900||Insulator
Clamp type ribbed cylindrical 2-piece
||Clamp Type||1/3 to C. Miller & H. Wagner|
|U||843,259||February 5, 1907||Insulator
Clamp type metal cable holder
|CLARK, Walter G.
||Clamp Type||The Clark Electric & Mfg. Co.|
|U||868,530||October 15, 1907||Telegraph and Telephone Insulator
Hanger type with slots for two wires
|COOPER, John A.
|U||888,763||May 26, 1908||Line Wire Fastener
Tie wire replacement consisting of wire, metal strap, and lever
||Tie Wire||5/100 to Forsyth Mfg. Co.|
|U||907,834||December 29, 1908||Insulator
Slack wire holder with nail spike
|MARSHALL, George B.
|U||931,507||August 17, 1909||Insulator for Electric Wires
|SILER, Aaron V.
||Self-tying Miscellaneous||1/2 to Andrew Siler|
|U||992,595||May 16, 1911||Insulator Line Attaching Device
Tie wire clip
|RIDENOUR, Lertin W.
|U||1,035,415||August 13, 1912||Insulator
|BROWN, Robert L.
|U||1,038,418||September 10, 1912||Insulator
Self-tying slot top
|NELSON, William H. S.
||Self-tying Slot Top|
|U||1,107,111||August 11, 1914||Insulator
|PURKEY, Benjamin S.
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