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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 = '150') ORDER BY date ASC, patent, type

Total of 89 patents found where: Class is '174'; Subclass is '150';

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T / S Patent Date Description Patentee Category Assigned To
 1902
U 717,322 December 30, 1902 Insulator for High Potential Lines
Metal clad suspenion insulator.		 BARRY, Charles E.
 Suspension General Electric Co.
 1905
U 779,659 January 10, 1905 Insulator
Suspension type		 LOCKE, Fred M.
 Suspension  
 1906
U 827,361 July 31, 1906 Insulating Support for Electrical Conductors
Means to support high voltage conductors using small pintype insulators		 GIBBONEY, William K.
 Miscellaneous  
U 838,482 December 11, 1906 Insulator for Line Conductors
Insulator formed with recesses for pipe pin and metal insert crown		 WEED, James Murray
 Insulator  
 1907
U 872,569 December 3, 1907 System of Insulation for High Voltage Electric Conductors
Insulator system for high voltage conductors		 LOCKE, Fred M.
 Insulator  
 1908
U 887,336 May 12, 1908 Electric Insulator
Radio antenna strain insulator made weatherproof with a metal cover.		 MIETH, Herman
 Radio Antenna  
U 903,875 November 17, 1908 System of Electrical Insulation
System of multipart insulator arranged in sequence to support high tension lines		 LOCKE, Fred M.
 Suspension  
U 904,069 November 17, 1908 Insulator
Strain insulator to electrically disconnect the circuit. (see reissue 13,526)		 KEMPTON, Williard H.
 Strain The Johns-Pratt Co.
U 905,014 November 24, 1908 Flexible Suspension for Conductors
Electrose suspension system		 STEINBERGER, Louis
 Electrose  
 1909
U 918,339 April 13, 1909 System for Insulation for High voltage Electric Conductors
Insulator multiples		 LOCKE, Fred M.
 Insulator  
 1910
U 947,885 February 1, 1910 Insulator
Suspension insulator and clamp support system		 CONE, William S.
 Suspension  
U 949,604 February 15, 1910 System of Insulation
Thimble shaped suspension insulator separated by tubular insulator		 STEINBERGER, Louis
 Thimble  
U 973,204 October 18, 1910 Insulating System for High Potential Electric Conductors
Suspension insulator multiples		 LOCKE, Fred M.
 Suspension Locke Insulator Mfg. Co.
U 974,672 November 1, 1910 Insulator
Suspension insulator		 JOHNSTON, Robert M.
 Suspension The Ohio Brass Co.
 1911
U 998,359 July 18, 1911 High Voltage Insulator
Suspension type		 LOCKE, Fred M.
 Suspension Locke Insulator Mfg. Co.
U 1,006,040 October 17, 1911 Insulator
Suspension using multiple parts connected with a cable		 ALSBERG, Julius
 Suspension  
U 1,010,011 November 28, 1911 Sectional Insulator
Multipart insulator to support high tension conductors in substation		 AUSTIN, Arthur O.
 Multipart The Ohio Brass Co.
U Specimen known 1,010,920 December 5, 1911 High Tension Insulator
Suspension cap and pin design using simple locking pin		 KENNEY, Benjamin D.
 Suspension The R. Thomas & Sons Co.
 1912
U Specimen known 1,039,799 October 1, 1912 Insulator Chain for High Pressure Electric Transmission Lines
Suspension chain (pork liver)		 PRIESTLEY, Charles M. E.
 Suspension Societe Vedovelli Priestley
 1913
U 1,057,184 March 25, 1913 Insulating Means
Odd system for suspending power lines		 STEINBERGER, Louis
 Electrose  
U 1,072,524 September 9, 1913 Insulator
Odd system for suspending power lines		 STEINBERGER, Louis
 Electrose  
U 1,072,525 September 9, 1913 Suspension Insulator
Odd system for suspending power lines		 STEINBERGER, Louis
 Electrose  
U 1,075,217 October 7, 1913 High Voltage Insulator
Suspension, cap design to allow easy connection using a spring-loaded clip		 MAXWELL, Marshall P.
 Suspension  
 1914
U 1,109,470 September 1, 1914 Post Insulator
Multipart insulator to support high tension conductors in substation		 SANFORD, JR., Joseph A.
 Multipart The R. Thomas & Sons Co.
U Specimen known 1,110,934 September 15, 1914 Insulator
Suspension disk		 HEWLETT, Edward M.
 Suspension General Electric Co.
 1915
U 1,146,298 July 13, 1915 Insulating Support for Storage Batteries
CD 35, CD 36; Battery insulator with a lead cup sitting on an earthenware pedestal cup (see 1,181,362)		 AMBRUSTER, Cornelius
 Battery  
U 1,160,543 November 16, 1915 High Voltage Strain Insulator
Suspension made of Electrose units		 STEINBERGER, Louis
 Electrose  
U 1,166,394 December 28, 1915 Spool Type Disk Strain Insulator
Suspension composed of ribbed spools made of Electrose		 STEINBERGER, Louis
 Electrose  
 1916
U 1,173,994 February 29, 1916 High Tension Insulator
Suspension with ribbed tubes and interlocking links		 BARFOED, Svend
 Suspension 2/5 to Otis Gibson
U 1,177,354 March 28, 1916 Line Insulator
Suspension interconnecting linking device		 RANSOM, Daniel Parke
 Suspension  
U 1,182,940 May 16, 1916 High Voltage Insulator
Suspension, two part made of Electrose		 STEINBERGER, Louis
 Suspension  
U 1,186,857 June 13, 1916 High Tension Strain Insulator
Rigid suspension insulator made of multiple units		 STEINBERGER, Louis
 Electrose  
 1917
U 1,212,703 January 16, 1917 Disk Type Chain Insulator
Suspension made of Electrose with special interlocking links		 STEINBERGER, Louis
 Suspension  
U 1,212,707 January 16, 1917 Detachable Connection for Chain Links
Link connectors for Electrose suspension disks		 STEINBERGER, Louis
 Suspension  
U 1,217,508 February 27, 1917 Insulator
Strain and suspension with special metal links for superior strength		 SCHAAKE, William
 Strain/suspension Westinghouse Electric & Mfg. Co.
U 1,221,893 April 10, 1917 Safety Repair Device for High Voltage Transmission Lines
Clamp to hold conductor to insulator while repairs are made		 NEELEY, George S.
 Clamp 1/2 to Thomas O. Moloney
U 1,228,711 June 5, 1917 Connecting Device for Chain-Type Insulators
Suspension link coupling		 STEINBERGER, Louis
 Suspension  
U 1,231,090 June 26, 1917 Suspension Means for Strain Insulators
Link connectors for suspension disks		 STEINBERGER, Louis
 Suspension  
U 1,237,843 August 21, 1917 Insulator Support for Towers
An insulator to support radio antenna towers composed of a metal base and several porcelain sections that are cemented together.		 WARD, John W.
 Antenna Support Pittsburg High Voltage Insulator Co.
U 1,248,498 December 4, 1917 Suspension Device for Insulators
Suspension pin to link disks		 JACKSON, Ray P.
SCHAAKE, William
 Suspension Westinghouse Electric & Mfg. Co.
 1918
U 1,259,385 March 12, 1918 Suspension Insulator
Suspension insulator (see 1,129,520)		 FORTESCUE, Charles Le G.
 Suspension Westinghouse Electric & Mfg. Co.
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 Specimen known 1,284,974 November 19, 1918 Strain Insulator
Strain, guy insulator attachment		 AUSTIN, Arthur O.
 Strain The Ohio Brass Co.
U 1,286,010 November 26, 1918 Suspension Device
Suspension pin to link disks		 JACKSON, Ray P.
 Suspension Westinghouse Electric & Mfg. Co.
 1919
U 1,290,147 January 7, 1919 Dead End for Electric and Telephone Wires
Dead-ending method using two strain insulators		 FAIRCLOUGH, Harry
 Dead-end  
U 1,326,307 December 30, 1919 Method of and Means for Supporting Electric Conductors
Rod type insulators used as suspension insulators for high voltage conductors.		 THOMAS, Percy H.
 Suspension  
 1920
U Specimen known 1,329,770 February 3, 1920 Insulator
Suspension type for J-D		 JOHNSTON, Robert M.
 Suspension Jeffery-Dewitt Co.
 1921
U 1,373,576 April 5, 1921 Electric Insulator
Suspension insulator composed of several parts to withstand tension		 THOMAS, Percy H.
 Suspension  
U 1,375,974 April 26, 1921 Insulator Connector
Links for Hewlett suspension disks		 PIERCE, Henry T.
MCPHEE, Angus D.
 Suspension General Electric Co.
U 1,393,330 October 11, 1921 Electrical Insulator
Links for Hewlett suspension disks (see 1,110,934)		 WELCH, Walter J.
TRACY, Atlee H.
 Suspension H. M. Byllesby & Co.
 1922
U 1,412,759 April 11, 1922 Cementless Strain Insulator
Suspension disks connected by circular clamps		 STEVENS, Frank J.
 Suspension Locke Insulator Corp.
U 1,429,110 September 12, 1922 Insulator
Suspension, special U-bolt links and hook for Hewlett disks		 SEAVEY, Haller D.
 Suspension Maxwell Engr & Mfg. Co.
 1923
U 1,458,755 June 12, 1923 Insulator
Improved method of connection sections of strain insulators		 GODDARD, Walter T.
 Multipart Locke Insulator Corp.
U 1,474,256 November 13, 1923 Insulator
Special columnar insulators to support structure for a radio transmitter		 GODDARD, Walter T.
 Radio Locke Insulator Corp.
 1924
U 1,508,158 September 9, 1924 Coupling for Insulators
Links to connect Hewlett suspension disks		 BOWER, George W.
 Suspension General Electric Co.
U 1,509,279 September 23, 1924 Strain Insulator
Strain for guy wires using special connecting hardware		 AUSTIN, Arthur O.
 Strain The Ohio Brass Co.
U 1,512,944 October 28, 1924 Conductor Holder
Device to hold conductor of telephone and telegraphs lines while line is being strung		 NESS, John A.
NESS, Walter
 Miscellaneous  
 1925
U 1,555,289 September 29, 1925 Insulator
Strain insulator connecting hardware		 JACKSON, Ray P.
 Strain Westinghouse Electric & Mfg. Co.
 1926
U 1,578,526 March 30, 1926 Insulator
Suspension string composed of multiple porcelain disks with a hook-like link on top and bottom to allow them to be quickly strung together		 JACKSON, Ray P.
 Suspension Westinghouse Electric & Mfg. Co.
 1927
U 1,621,246 March 15, 1927 Insulator
High tension insulator made of parts with metal plates bolted to upper and lower surface or suspension disks bolted together		 GODDARD, Walter T.
 Multipart Locke Insulator Corp.
U 1,625,601 April 19, 1927 Insulator
Suspension insulator made of multiple sections that are clamped together in the field		 GODDARD, Walter T.
 Suspension Locke Insulator Corp.
U 1,628,241 May 10, 1927 Insulator
Post type insulator composed of multiple parts		 GODDARD, Walter T.
 Post Type Locke Insulator Corp.
 1928
U 1,657,035 January 24, 1928 Suspension Insulator with Hood and Deformable Pivoting System Forming an Articulated Joint
Suspension cemented pin with pivot joint		 RICHARD, Augusto
 Suspension  
U 1,684,066 September 11, 1928 Insulator
Suspension with metal and porcelain shaped to conform with electric field		 MINOR, Douglas F.
 Suspension Westinghouse Electric & Mfg. Co.
U 1,690,989 November 6, 1928 Multiple String Insulator Suspension
Suspensions made up of several strings of disks		 MARVIN, Richard H.
 Suspension The R. Thomas & Sons Co.
U 1,691,330 November 13, 1928 Insulator
Suspension string with flange attachment to balance electric field		 AUSTIN, Arthur O.
 Suspension The Ohio Brass Co.
 1929
U 1,710,880 April 30, 1929 Insulator Stack
Pedestal type stackable insulators with metal flanges that can be easily adjusted		 LAPP, John S.
 Pedestal Lapp Insulator Co., Inc.
U 1,712,432 May 7, 1929 Electrical Insulator Assembly
Suspension using Hewletts for novel electric switch		 HAGERMAN, Alva Lloyd
 Suspension  
U Specimen known 1,716,963 June 11, 1929 Insulator
Suspension coupling device (see 1,329,770)		 JOHNSTON, Robert M.
 Suspension Jeffery-Dewitt Co.
U 1,717,885 June 18, 1929 Mounting for Electric Conductors
Hanger insulator made of rubber for trolley conductor		 LEIPERT, August H.
 Hanger The Rubber Shock Insulator Corp.
U 1,725,097 August 20, 1929 Insulator Structure
Metal parts of suspension insulators are coated with rubber or resin to help prevent or reduce flashover		 NAYLOR, William K.
 Suspension Westinghouse Electric & Mfg. Co.
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.
 1930
U 1,755,032 April 15, 1930 Insulator
Post insulator made up of Hewlett disks		 SLEEMAN, Harold P.
 Post Type The R. Thomas & Sons Co.
U 1,759,253 May 20, 1930 Insulator
Suspension insulator assembly with porcelain insulator in compression without the need for cement.		 GERHARDT, Roy C.
 Suspension  
U 1,768,948 July 1, 1930 High Voltage Insulator
Suspension insulator		 BAUM, Frank G.
 Suspension Westinghouse Electric & Mfg. Co.
 1931
U 1,811,530 June 23, 1931 Insulating Device
Ribbed suspension insulator with deep hollow interior to receive linkage hardware to connect the next insulator		 BAUM, Frank G.
 Suspension Westinghouse Electric & Mfg. Co.
 1933
U 1,910,333 May 23, 1933 Insulator Connection
Suspension with special cotter pin to prevent cap and pin from coming disconnected		 HAWLEY, Kent A.
 Suspension Locke Insulator Corp.
U 1,939,760 December 19, 1933 Means for Suspending Porcelain Insulators
Means of connection suspension disks with internal threaded rings to receive external threaded connector from underneath disk		 BUXTON, Paul W.
 Suspension Wheeler Reflector Co.
 1934
U 1,961,402 June 5, 1934 Insulator
Catenary trolley wire support composed of multiple insulator sections with cemented caps and internal threaded parts allowing them to be screwed together		 TAYLOR, John J.
 Catenary The Ohio Brass Co.
U 1,976,418 October 9, 1934 Attachment for Insulators
Attachment for strain insulator		 STINSON, William L.
 Strain Jeffery-Dewitt Insulator Co.
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.
 1935
U 1,998,549 April 23, 1935 Insulator Construction
Insulator that will withstand high compression and support the weight of a radio antenna		 LAPP, Grover W.
JENNER, Ralph L.
 Antenna Lapp Insulator Co., Inc.
 1938
U 2,135,359 November 1, 1938 Suspension Insulator
Fog type suspension insulator		 TAYLOR, John J.
BOVARD, Floyd D.
 Fog Type The Ohio Brass Co.
 1941
U 2,234,391 March 11, 1941 Method of Manufacturing Electric Insulators
Method of making station post insulators with metal caps		 TAYLOR, John J.
 Insulator The Ohio Brass Co.
 1942
U 2,292,248 August 4, 1942 Bushing
Bushing composed of several parts with open chambers		 STEVENS, Leland J.
 Bushing Locke Insulator Corp.
U Specimen known 2,297,430 September 29, 1942 Antenna Insulator
Compression antenna insulator for very heavy loads (see 2,270,964)		 PETERS, Wilhelm
 Antenna  
 1943
U 2,317,799 April 27, 1943 Line Insulator
Insulator composed of a metallic hollow shell coated with ceramic material		 PERLES, Maurice
 Insulator Mycalex Corp. of America
 1966
U 3,229,031 January 11, 1966 Selective Stacking for Pedestal Post Insulators
Method of connecting similar pedestal post insulators to obtain desired insulation levels		 OWENS, James B.
ALEXANDER, David E.
 Pedestal Post I-T-E Circuit Breaker Co.
 1977
U 4,047,279 September 13, 1977 Upgrading Current Distribution Insulators
Miscellaneous insulator with male screw to receive existing insulator for upgrading		 PETTIT, Ernest E.
 Miscellaneous W. Leon Sell/Ernest E. Pettit/R. Don Sell

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