| 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 = '31R') ORDER BY date ASC, patent, type |
Total of 7 patents found where: Class is '174'; Subclass is '31R';
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 |
| 1898 | ||||||
| U | 615,896 | December 13, 1898 | Vacuum Insulator for Electric Conductors Wall tube sealed in vacuum and protected from weather (see 608,906) |
POCHE, Joseph Arthur |
Wall Tube | |
| 1899 | ||||||
| R | 11,759 | July 11, 1899 | Insulation of Electric Wires Uses glass tube sealed from the weather to allow conductor to enter a building (see 608,906) |
POCHE, Joseph Arthur |
Wall Tube | |
| U | 637,282 | November 21, 1899 | Electric Insulator Tube of asbestos to lead conductor through a wall is made water tight (see 608,906) (see 615,896) |
POCHE, Joseph Arthur |
Insulator | |
| 1904 | ||||||
| U | 771,297 | October 4, 1904 | Insulator Oil reservoir for transformer insulator |
CHESNEY, Cummings C. |
Oil | Stanley Electric Mfg. Co. |
| 1924 | ||||||
| U | 1,491,385 | April 22, 1924 | Insulator Wall or roof bushing to bring conductor into the building |
FACCILOI, Giuseppe |
Miscellaneous | General Electric Co. |
| 1934 | ||||||
| U | 1,972,614 | September 4, 1934 | Insulator Cementing and design technique to improve cement joint in cap and pin suspension and equipment support insulators |
AUSTIN, Arthur O. |
Suspension | The Ohio Brass Co. |
| 1941 | ||||||
| U | 2,264,428 | December 2, 1941 | Article of Ceramic of Vitreous Material Manufacturing method to improve quality of porcelain during firing |
AUSTIN, Arthur O. |
Manufacturing | The Ohio Brass Co. |
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