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SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (category = 'Clamp Type') ORDER BY date ASC, patent, type

Total of 43 patents found where: Category is 'Clamp Type';

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T / S Patent Date Description Patentee Category Assigned To
 1869
U 92,299 July 6, 1869 Improvement in Telegraph Insulators
Clamp type insulator and bracket
FRY, John W.
Clamp Type  
 1870
U 109,461 November 22, 1870 Improvement in Insulators for Telegraph Wires
Clamp type via two glass blocks held and kept dry by metal box
SMITH, Ashbel G.
PETTINGELL, William
Clamp Type Themselves and William H. Fowler
 1892
U 466,726 January 5, 1892 Insulator
Clamp type split knob with lag screw
NORGRAVE, George B.
Clamp Type Richard I. Brewster
U 477,753 June 28, 1892 Insulator
Clamp type
GOOLD, Frederick D'A
Clamp Type The Edison General Electric Co.
 1893
U 491,362 February 7, 1893 Insulator
Clamp type using two blocks
LANE, Augustus R.
Clamp Type  
U 495,552 April 18, 1893 Insulator
Clamp type called the ""Security"" insulator. It was sold by the McLeod, Ward & Co.
HILLS, Louis
Clamp Type  
U 503,778 August 22, 1893 Insulator for Electric Wires
Clamp type cylindrical 2 piece
TRIMBLE, William D.
Clamp Type  
 1896
U 554,723 February 18, 1896 Insulator
Clamp type
PELOUBET, Esten
Clamp Type  
U 554,955 February 18, 1896 Insulator for Electric Wires
Clamp type (Scientific American 3-7-1896)
RIERA, Magin
Clamp Type  
 1897
U 583,692 June 1, 1897 Insulator
Clamp type with lag screw
RENAULT, Edward
Clamp Type  
U 584,235 June 8, 1897 Insulator for Telegraph or Other Electric Wires
Clamp type in holder of similar shape to Cutter
NESMITH, Christopher C.
ARNETT, George F.
Clamp Type  
U 595,827 December 21, 1897 Insulator Bracket
Clamp type composition insulator with top cable clamp
WOOLSEY, Charles A.
Clamp Type  
 1900
U 660,140 October 23, 1900 Insulator
Clamp type ribbed cylindrical 2-piece
ALLEY, Cassius
Clamp Type 1/3 to C. Miller & H. Wagner
 1904
U 751,739 February 9, 1904 Insulator
Clamp type
LINDAL, Peter S.
Clamp Type  
U 756,627 April 5, 1904 Insulator
Clamp type 2-piece with horseshoe nail holder
HANSON, John A.
LAMBERT, Albert F.
Clamp Type  
 1905
U 787,107 April 11, 1905 Telegraph or Telephone Wire Insulator
Clamp type
MCDANIEL, Robert J.
GRAVES, Salathiel V.
Clamp Type Samuel Hudson
U 803,973 November 7, 1905 Insulator
Clamp type
BEMIS, George M.
Clamp Type  
 1906
U 826,916 July 24, 1906 Insulator
Clamp type
BARTLEY, Samuel
BARTLEY, William O.
Clamp Type  
 1907
U 843,258 February 5, 1907 Insulator Clamp
Clamp type metal cable holder
CLARK, Walter G.
Clamp Type The Clark Electric & Mfg. Co.
U 843,259 February 5, 1907 Insulator
Clamp type metal cable holder
CLARK, Walter G.
Clamp Type The Clark Electric & Mfg. Co.
U 848,473 March 26, 1907 Insulating Clamp
Clamp type for cable top of multi
LEE, Thomas B.
Clamp Type  
U 854,315 May 21, 1907 Insulator
Clamp type
STAUFFER, Henry D.
Clamp Type  
 1908
U 888,154 May 19, 1908 Insulator
Clamp type
FRIEND, Howard
Clamp Type 1/2 to Walter Stevens
 1909
U 915,406 March 16, 1909 Insulator
Clamp type
BARTLEY, Samuel
BARTLEY, William O.
Clamp Type  
U 918,905 April 20, 1909 Insulator
Clamp type with split ring and lag screw
POND, Benjamin A.
Clamp Type  
 1910
U 947,094 January 18, 1910 Insulator
Clamp type
BURTON, Edward
Clamp Type  
U 971,619 October 4, 1910 Insulator
Clamp type
KLUGH, John T.
Clamp Type  
 1911
U 999,683 August 1, 1911 Insulator
Clamp type
TINSLEY, Addison B.
Clamp Type  
U 1,011,164 December 12, 1911 Insulator
Clamp type
CORNELIUS, Samuel S.
Clamp Type  
 1912
U 1,013,241 January 2, 1912 Insulator
Clamp type
VAN ETTEN, Frank C.
Clamp Type  
U 1,027,601 May 28, 1912 Insulator and Support
Clamp type mounted in spike
GRESSETT, Lawrence F.
Clamp Type  
U 1,047,059 December 10, 1912 Insulator Support for Line Wires
Clamp type
HOYBROOK, Henry L.
Clamp Type  
 1913
U 1,054,138 February 25, 1913 Means for Attaching Wires and Cables to Insulators
Clamping wire device to eliminate tie wire (French gingerbread man)
PARRA, Henri
Clamp Type Societe H. Parra Et. Cie.
U 1,070,151 August 12, 1913 Insulator
Clamp type
MARTIN, William H.
Clamp Type 1/2 to Newman, 1/2 to Knupp
 1915
U 1,125,742 January 19, 1915 Cable Supporting Insulator
Clamp type
SESSIONS, Edson O.
Clamp Type Electrical Engineers Equipment Co.
 1917
U 1,212,547 January 16, 1917 Automatic Insulator
Clamp type
PARENT, Rufus A.
Clamp Type  
U 1,233,475 July 17, 1917 Insulator
Clamp type with lag screw
HUDSON, Christopher C.
Clamp Type  
U Specimen known 1,240,330 September 18, 1917 Insulator and Support Therefor
Clamp type
FORT, Louis
Clamp Type  
 1927
U 1,625,645 April 19, 1927 Insulator
Clamp type
FORT, Louis
Clamp Type  
 1931
U Specimen known 1,788,245 January 6, 1931 Insulator Support
Clamp type
MANSON, Ralph H.
Clamp Type Hubbard & Co.
 1933
U 1,920,978 August 8, 1933 Insulator
Clamp type with lag screw
FORT, Louis
Clamp Type  
 1934
U 1,956,526 April 24, 1934 Insulated Support for Electric Cables
Clamp type with wire hanger
ELLMANN, John I.
Clamp Type Ellmann, Inc.
 1938
U 2,135,360 November 1, 1938 Conductor Support
Clamp type with metal cemented to crown for holding cable
TAYLOR, John J.
Clamp Type The Ohio Brass Co.

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