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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 = '141R') ORDER BY last_name ASC, first_name, date, patent, type

Total of 29 patents found where: Class is '174'; Subclass is '141R';

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T / S Patent Date Description Patentee Category Assigned To
 AUSTIN, Arthur O.
U 1,521,743 January 6, 1925 Insulator
Suspension arcing horn system and insulator (see 1,552,664 and 1,783,271)		 AUSTIN, Arthur O.
 Suspension The Ohio Brass Co.
U Specimen known 1,552,664 September 8, 1925 Insulator
Suspension arcing horn insulator (see 1,521,743 and 1,783,271)		 AUSTIN, Arthur O.
 Suspension The Ohio Brass Co.
 BAUM, Frank G.
U 1,728,522 September 17, 1929 Insulator for High Voltage Systems
Suspension disk with strips of high resistance conductive material embedded in the upper surface to produce a uniform distribution of voltage across each disk in a string		 BAUM, Frank G.
 Suspension Westinghouse Electric & Mfg. Co.
 DOOLITTLE, Fred B.
U 2,947,801 August 2, 1960 Contamination and Moisture Resistant Insulator
A conductive coating used to generate heat to keep surface of the insulator dry		 DOOLITTLE, Fred B.
 Fog  
 DUNCAN, John D. E.
U Specimen known 880,203 February 25, 1908 Insulator
Suspension insulator with petticoat		 DUNCAN, John D. E.
 Suspension  
U 1,128,424 February 16, 1915 Insulator
Suspension multipart insulator fitted with arcing horns		 DUNCAN, John D. E.
 Suspension  
 FORTESCUE, Charles Le G.
U 1,259,385 March 12, 1918 Suspension Insulator
Suspension insulator (see 1,129,520)		 FORTESCUE, Charles Le G.
 Suspension Westinghouse Electric & Mfg. Co.
 HAWLEY, Kent A.
U 1,940,591 December 19, 1933 Protecting Apparatus for Insulators
Arcing ring for string of suspension insulators		 HAWLEY, Kent A.
 Arcing Ring Locke Insulator Corp.
U 1,983,903 December 11, 1934 Protective Apparatus for Double String Installations
Arcing rings for a double string of suspension insulators		 HAWLEY, Kent A.
 Arcing Ring Locke Insulator Corp.
 HAWLEY, Kent Allen
U 1,772,513 August 12, 1930 Insulator
Design to allow the lowermost Hewlett disk to have its underside wetted with rain equally with disks above		 HAWLEY, Kent Allen
 Suspension Locke Insulator Corp.
 HILLEBRAND, William A.
U 1,941,749 January 2, 1934 Insulator
Suspension insulator with upwardly projecting wings on the cap to serve as flux control		 HILLEBRAND, William A.
 Suspension The Ohio Brass Co.
 HOFFMAN, Gottfried
U 1,772,947 August 12, 1930 Electric Insulator
Protective metal shield to cover linkage or connectors for suspension disks to prevent moisture damage to threaded connectors		 HOFFMAN, Gottfried
 Suspension Motor-Columbus Aktiengesellschaft Fur Elektrische Unternehmungen
 HOLMES, Henry R.
U 1,734,167 November 5, 1929 Suspension Insulator Fitting
Link design for Hewlett suspension disks to reduce movement		 HOLMES, Henry R.
 Suspension The R. Thomas & Sons Co.
 JACKSON, Ray P.
U 1,198,131 September 12, 1916 Insulator
Method of cementing and attaching nested porcelain shells		 JACKSON, Ray P.
   Westinghouse Electric & Mfg. Co.
 KOONTZ, JR., John A.
U 1,215,549 February 13, 1917 Electric Conductor Insulating Support
Suspension with method of balancing the electrical load across the string		 KOONTZ, JR., John A.
 Suspension 1/2 to Beardsley/1/4 to Shoemaker
 LINCOLN, Paul M.
U 1,198,137 September 12, 1916 Insulator
Suspension insulator with an outer covering of spun steel or iron.		 LINCOLN, Paul M.
 Suspension Westinghouse Electric & Mfg. Co.
U 1,241,528 October 2, 1917 Insulator
Suspension with shells nested together by means of external threads		 LINCOLN, Paul M.
 Suspension Westinghouse Electric & Mfg. Co.
 LUSIGNAN, JR., Joseph T.
U 2,022,863 December 3, 1935 Arcing Guard
Metal arcing guard for suspension string		 LUSIGNAN, JR., Joseph T.
 Arcing Ring The Ohio Brass Co.
 MARVIN, Richard H.
U 1,245,940 November 6, 1917 Insulator
Suspension string of various size disks to balance electrical capacitance		 MARVIN, Richard H.
 Suspension The R. Thomas & Sons Co.
 NICHOLSON, Lloyd C.
U Specimen known 966,584 August 9, 1910 Protecting Apparatus for Insulators
Suspension protected by arcing ring		 NICHOLSON, Lloyd C.
 Suspension  
 OSBORNE, David H.
U 1,712,900 May 14, 1929 Method of Making Forged Insulator Caps
Method to manufacture steel cap for suspension disks		 OSBORNE, David H.
 Manufacturing Locke Insulator Corp.
 RANDALL, Karl C.
U 1,168,031 January 11, 1916 Suspension Type Insulator
Suspension bell-shaped insulators		 RANDALL, Karl C.
 Suspension Westinghouse Electric & Mfg. Co.
 ROWLAND, Davidge H.
U 1,983,569 December 11, 1934 Pedestal Switch Insulator
Pedestal insulator to support switch gear or bus bar		 ROWLAND, Davidge H.
 Pedestal Locke Insulator Corp.
 SONNEBORN, Sol S.
U 1,282,481 October 22, 1918 Multiple Section Suspension Insulator
Suspension insulator with symmetrical metal parts to reduce electrical strain		 SONNEBORN, Sol S.
 Suspension  
U 1,291,217 January 14, 1919 Adjustable Suspension Insulator
Suspension disk with adjustable length pin to equalize the potential across each disk to reduce arc-over		 SONNEBORN, Sol S.
 Suspension  
 STEINBERGER, Louis
U 1,446,135 February 20, 1923 Insulator
Electrose high voltage insulator with special steel pin threaded at the bottom		 STEINBERGER, Louis
 Electrose  
 VERMA, Mandranjan
U 4,524,404 June 18, 1985 High Voltage Insulator Assemblage Having Specially Chosen Series Resistance
Suspension insulator that eliminates flashover due to dirty insulators		 VERMA, Mandranjan
 Suspension  
 VROOMAN, Edward C.
U 2,003,225 May 28, 1935 Guy Insulating and Grading Means
Guy strain insulator for radio antenna guy wires		 VROOMAN, Edward C.
 Antenna Locke Insulator Corp.
 WAHLBERG, Nils A.
U 1,645,266 October 11, 1927 Insulator Connector
Suspension disk pin connector and shield around it to compensate for electrostatic field		 WAHLBERG, Nils A.
 Suspension Westinghouse Electric & Mfg. Co.

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