| 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 = '203') ORDER BY date ASC, patent, type |
Total of 20 patents found where: Class is '174'; Subclass is '203';
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 |
| 1893 | ||||||
| U | 492,394 | February 28, 1893 | Insulator Bracket Bracket, adjustable angle with spring end for threads |
EICHBERG, William N. |
Bracket | |
| 1896 | ||||||
| U | 557,600 | April 7, 1896 | Insulator Pin with spring coil |
PETERSON, Cyrus A. |
Pin | |
| 1907 | ||||||
| U | 856,488 | June 11, 1907 | Insulator Pin (metal) using spring for threads |
PEIRCE, JR., Charles L. |
Pin | Peirce Specialty Co. |
| 1908 | ||||||
| U | 883,823 | April 7, 1908 | Insulator Support Pin with coiled spring for threads |
PEIRCE, JR., Charles L. |
Pin | Peirce Specialty Co. |
| 1909 | ||||||
| U | 937,736 | October 19, 1909 | Insulator Pin with spring to fit into threads |
DUMBOLTON, Perry S. FRANZ, Frank |
Pin | |
| 1914 | ||||||
| U | 1,095,860 | May 5, 1914 | Insulator Holder Pin composed of metal wire |
HEFFNER, Herman C. |
Pin | |
| 1915 | ||||||
| U | 1,143,983 | June 22, 1915 | Insulator Support Pin with metal spring coil of varying diameter for threads |
MILLER, Charles E. |
Pin | |
| U | 1,157,037 | October 19, 1915 | Insulator Supporting Structure Bracket stamped from sheet metal and curved upward with spring for threads |
PEIRCE, JR., Charles L. |
Bracket | 1/2 to Hubbard & Co. |
| U | 1,158,149 | October 26, 1915 | Insulator Support Pin, metal with spring for threads (improvement on 856,488) |
PEIRCE, JR., Charles L. |
Pin | |
| 1917 | ||||||
| U | 1,219,746 | March 20, 1917 | Insulator Bracket Pin, side pin type made of sheet metal |
KEPPLER, Lewis F. |
Pin | |
| U | 1,219,862 | March 20, 1917 | Separable Insulator Thimble Structure Thimble designed to be removable with external & internal threads |
PEIRCE, JR., Charles L. |
Thimble | Hubbard & Co. |
| 1919 | ||||||
| U | 1,306,670 | June 10, 1919 | Insulating Support Suspension cap and pin to improve strength of connection |
LANYON, Samuel H. |
Suspension | |
| 1921 | ||||||
| U | 1,385,638 | July 26, 1921 | Supporting Bracket Steel pin with lag screw and spring for threads |
MILLER, Charles E. |
Pin | |
| 1923 | ||||||
| U | 1,444,434 | February 6, 1923 | Insulator Supporting Pin Pin with corkscrew for threading into bottom of Electrose insulator |
STEINBERGER, Louis |
Pin | |
| 1924 | ||||||
| U | 1,489,809 | April 8, 1924 | Insulator Suspension with ribbed sheet metal in pin and cap for better adhesion of cement |
AUSTIN, Arthur O. |
Suspension | The Ohio Brass Co. |
| 1925 | ||||||
| U | 1,546,591 | July 21, 1925 | Cushion Head Insulator Pin Threads on a pin made of soft metal wire such as lead |
KYLE, William D. |
Pin | Line Material Co. |
| 1926 | ||||||
| U | 1,591,883 | July 6, 1926 | Insulator Pin Steel pin with lag screw and spring for threads |
PEIRCE, JR., Charles L. |
Pin | |
| 1929 | ||||||
| U | 1,715,507 | June 4, 1929 | Insulator Mounting Steel pin with malleable threaded thimble and coil spring for threads to contact the insulator pinhole |
KYLE, William D. |
Pin | Line Material Co. |
| 1933 | ||||||
| U | 1,911,031 | May 23, 1933 | Insulator Support Steel pin, support base, and threads made of a spring coil |
MILLER, Charles E. |
Pin | Hubbard & Co. |
| U | 1,911,558 | May 30, 1933 | Insulator Pin Steel pin with threads made of a spring coil |
DRIGGS, Lorenzo J. |
Pin | Frank F. Winters |
Total of 0.02 seconds