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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 = '199') ORDER BY date ASC, patent, type

Total of 18 patents found where: Class is '174'; Subclass is '199';

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T / S Patent Date Description Patentee Category Assigned To
 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  
U Specimen known 71,564 November 26, 1867 Improvement in Telegraph Insulators
Metal shell lined with glass or porcelain with wooden pin and paraffin cavity		 WOOD, Merritt L.
 Metal 2/3 to S. Porter & L. M. Monroe
 1870
U Specimen known 105,834 July 26, 1870 Improvement in Telegraph Insulators
Pin hole tapered with grooves to receive wedged, split-end pin		 OAKMAN, Samuel
 Pin  
 1874
U 154,258 August 18, 1874 Improvement in Telegraph Insulators
Slotted insulator to hold wire		 LE BARON, Charles L.
 Slotted  
 1901
U 679,544 July 30, 1901 Insulator for Electric Wires
Self-tying miscellaneous		 SHARPE, John E.
 Self-tying Miscellaneous 1/2 to Newton Bartle
U 685,776 November 5, 1901 Insulator Support
Pin sleeve plug with bolt to draw down & expanding sleeve in pin hole		 LOCKE, Fred M.
 Pin  
 1908
U Specimen known 880,203 February 25, 1908 Insulator
Suspension insulator with petticoat		 DUNCAN, John D. E.
 Suspension  
 1909
U 937,140 October 19, 1909 Non-detachable Insulator
Pin permanently fixed to the insulator via slotted pinhole		 BARTLETT, Harry
MACCALLUM, Alexander P.
 Pin  
 1917
U 1,212,394 January 16, 1917 Insulator Support
Bracket, sheet metal U-shaped with spring clip to secure insulator		 PEIRCE, JR., Charles L.
 Bracket 1/2 to Hubbard & Co.
U 1,246,461 November 13, 1917 Strain Insulator
Suspension metal cap design		 PLIMPTON, Bentley A.
 Suspension  
 1918
U 1,266,711 May 21, 1918 Strain Insulator
Suspension metal cap design		 PLIMPTON, Bentley A.
 Suspension  
 1922
U 1,406,953 February 14, 1922 Strain Insulator
Suspension with special slotted cap and pin to improve cement joint		 GODDARD, Walter T.
 Suspension Locke Insulator Corp.
 1924
U 1,515,755 November 18, 1924 Suspension Insulator
Suspension, special pin design		 ROHDE, Fritz
SCHWINNING, Max
 Suspension Nora Pfannenstiel
 1925
U 1,528,580 March 3, 1925 Insulator Pin
Unique hollow steel pin with bottom halves that widen when the insulator is screwed down on the pin thus gripping the hole in the crossarm and securing the pin and allowing a tap wire to run from the line conductor down through the center of the pin		 STAUB, Arthur J.
 Pin  
 1926
U 1,579,174 March 30, 1926 Insulator
Suspension with metal eye-bolt pin		 GOUVERNEUR, Minor F. H.
 Suspension Locke Insulator Corp.
 1929
U 1,719,945 July 9, 1929 Insulator
Suspension with cutout metal cap and split spring metal eye-pin		 SCHOENTHALER, George Henry
 Suspension Locke Insulator Corp.
U 1,729,532 September 24, 1929 Electrical Insulator
Cap and pin design for suspension insulator		 ZIESCHE, Otto Paul
 Suspension Hermsdorf-Schomburg-Isolatoren G. M. B. H.
 1944
U Specimen known 2,350,420 June 6, 1944 Insulator Mounting
Surge porcelain electric fence insulator with drip points and special mounting bracket (see design 126,721) (see design 126,722) [see picture 170540955] (see 2,311,779) (see 2,454,348)		 SCHILLING, Lorell J.
 Electric Fence Babson Bros. Co.

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