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 = '178') ORDER BY description DESC, date, patent, type |
Total of 35 patents found where: Class is '174'; Subclass is '178';
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 |
1942 | ||||||
U | 2,278,330 | March 31, 1942 | Multipost Line Insulator Two post insulators joined together with elongated metal bottom cap |
MEYER, Edwin M. |
Insulator | Porcelain Products, Inc. |
1927 | ||||||
U | 1,637,374 | August 2, 1927 | Insulator Suspension, tubular with ribs and cap on both ends |
FORTESCUE, Charles Le G. |
Suspension | Westinghouse Electric & Mfg. Co. |
1912 | ||||||
U | 1,015,229 | January 16, 1912 | Insulator Suspension using multiple parts cemented together on tubular core. The patent is similar to the commonly referred ""Micarta Core"" insulators, but experts believe the patent was not used for those insulators. The glass insulators may have been made by Hemingray. |
HILLIARD, John D. PARSONS, Charles E. |
Suspension | J. E. Way |
1918 | ||||||
U | 1,273,015 | July 16, 1918 | Electric Insulator Suspension made of several parts bolted together |
THOMAS, Percy H. |
Suspension | |
1910 | ||||||
U | 974,610 | November 1, 1910 | Strain Insulator Suspension made from Electrose |
STEINBERGER, Louis |
Suspension | |
1924 | ||||||
U | 1,520,984 | December 30, 1924 | Electric Insulator Suspension insulator composed of several parts to withstand tension |
THOMAS, Percy H. |
Suspension | Westinghouse Electric & Mfg. Co. |
1928 | ||||||
U | 1,669,529 | May 15, 1928 | Insulator Suspension fog-type with wood strain insulator for connecting to another insulator |
MILLER, Frederick H. |
Suspension | Westinghouse Electric & Mfg. Co. |
U | 1,664,208 | March 27, 1928 | Insulator Suspension fog-type with ceramic covered wood/fiber connecting tube |
GILCHREST, George Irving |
Suspension | Westinghouse Electric & Mfg. Co. |
1911 | ||||||
U | 1,011,652 | December 12, 1911 | Strain Insulator Strain, ribbed made of Electrose |
STEINBERGER, Louis |
Strain | |
1892 | ||||||
U | 482,872 | September 20, 1892 | Insulator Strain type |
LEE, Charles T. |
Strain | The Johns-Pratt Co. |
1894 | ||||||
U | 515,779 | March 6, 1894 | Strain Insulator Strain type |
LUSCOMB, Henry H. |
Strain | The Johns Pratt Co. |
1908 | ||||||
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. |
1895 | ||||||
U | 535,660 | March 12, 1895 | Insulator Strain in the shape of a ball |
BELCHER, Warren J. |
Strain | The Billings & Spencer Co. |
1916 | ||||||
U | 1,186,857 | June 13, 1916 | High Tension Strain Insulator Rigid suspension insulator made of multiple units |
STEINBERGER, Louis |
Electrose | |
1913 | ||||||
R | 13,526 | February 11, 1913 | Insulator Reissue of patent 904,069. Strain insulator to electrically disconnect the circuit. |
KEMPTON, Willard H. |
Strain | The Johns-Pratt Co. |
1971 | ||||||
U | 3,582,538 | June 1, 1971 | Prestressed Insulator Prestressing post type insulators by making porcelain in compression in order to increase cantilever load |
KILLIAN, Stanley C. DEWEY, Benjamin F. |
Post Type | Interpace Corp. |
1934 | ||||||
U | 1,958,435 | May 15, 1934 | High Tension Insulator Post or pedestal insulator with hollow interior filled with dry sand |
HAWLEY, Kent Allen |
Post Type | Locke Insulator Corp. |
1989 | ||||||
U | 4,845,318 | July 4, 1989 | Composite Electrical Insulator and Method of Forming Same Polymer suspension with porcelain core |
CLABBURN, Robin LOOMS, John |
Polymer | Raychem Limited |
1930 | ||||||
U | 1,778,152 | October 14, 1930 | Multiple Skirt Suspension Insulator Odd two-disk suspension made in one piece with metal caps on each end |
HAWLEY, Kent A. |
Suspension | Locke Insulator Corp. |
1931 | ||||||
U | 1,823,676 | September 15, 1931 | Insulator with Nested Parts Multipart insulators with metal cap in cement joint of the outer two joints to add strength to the insulator |
AUSTIN, Arthur O. |
Manufacturing | The Ohio Brass Co. |
1961 | ||||||
U | 2,986,595 | May 30, 1961 | Post Type Insulator and Method of Making the Same Method of sealing the internal part of the insulator to protect its electrical resistance |
FIERO, Carl D. COREY, Charles E. |
Post Type | Lapp Insulator Co., Inc. |
1931 | ||||||
U | 1,822,485 | September 8, 1931 | Insulator Method of attached metal cap and pin to suspension insulators |
HAWLEY, Kent A. |
Suspension | Locke Insulator Corp. |
1883 | ||||||
U | 269,933 | January 2, 1883 | Insulator for the Suspension of Electrical Wire Conductors Hook insulator of ""gelatinized or vulcanized fiber"" |
HIGGS, Paget COURTENAY, William |
Hook | |
1910 | ||||||
U | 959,929 | May 31, 1910 | High Voltage Switch High voltage switch utilizing a string of suspension insulators |
GODDARD, Walter T. |
Switch | Locke Insulator Mfg. Co. |
1912 | ||||||
U | 1,034,518 | August 6, 1912 | Hanger for Electrical Apparatus Hanger for street lights composed of a bell insulator, cross arm with spool insulators on each end, and a hook to support the lamp. |
SCHEIBLE, Albert |
Hanger | |
1937 | ||||||
U | 2,103,399 | December 28, 1937 | Insulator Fog type suspension with top curved down over bottom petticoat that extends up inside the top part |
WALKER, Robert H. |
Fog | The Ohio Brass Co. |
1935 | ||||||
U | 1,994,282 | March 12, 1935 | Fog Type Insulator Fog type suspension similar to oil reservoir types with inverted mating cup |
LUSIGNAN, JR., Joseph T. |
Fog Type | The Ohio Brass Co. |
1909 | ||||||
U | 927,186 | July 6, 1909 | High Potential Strain Insulator Electrose strain insulator, specimen marked with this patent |
STEINBERGER, Louis |
Electrose | |
1911 | ||||||
U | 999,414 | August 1, 1911 | High Tension Strain Insulator Electrose strain insulator |
STEINBERGER, Louis |
Strain | |
1923 | ||||||
U | 1,453,201 | April 24, 1923 | Strain Insulator Electrose strain insulator |
STEINBERGER, Louis |
Strain | |
1903 | ||||||
U | 724,351 | March 31, 1903 | Insulated Strain Electrose strain (Brown p. 69) |
STEINBERGER, Louis |
Electrose | |
1905 | ||||||
U | 786,691 | April 4, 1905 | Strain Electrose strain (Brown p. 69) |
STEINBERGER, Louis |
Electrose | |
1916 | ||||||
R | 14,204 | October 17, 1916 | Insulator Electrose disk insulator. Reissue of patent 927,187 |
STEINBERGER, Louis |
Electrose | |
1909 | ||||||
U | 927,187 | July 6, 1909 | Insulator Electrose disk insulator |
STEINBERGER, Louis |
Electrose | |
1924 | ||||||
U | 1,484,051 | February 19, 1924 | Insulator Cylindrical H-T ins, inner section to receive strain if outer is broken |
AUSTIN, Arthur O. |
Cylinder | The Ohio Brass Co. |
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