| 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 = '141C') ORDER BY date ASC, patent, type |
Total of 4 patents found where: Class is '174'; Subclass is '141C';
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 |
| 1925 | ||||||
| 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. |
| 1928 | ||||||
| U | 1,661,823 | March 6, 1928 | Insulator Suspension string with insulators having conducting surface to balance electrical field |
HAWLEY, Kent A. |
Suspension | Locke Insulator Corp. |
| 1934 | ||||||
| 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. |
| 1998 | ||||||
| U | 5,796,048 | August 18, 1998 | Insulator having Conductive Surface Coating to Prevent Corona Discharge RFI coating |
SUZUKI, Yoshihiro KUTSUNA, Eiji |
RFI | NGK Insulators, Ltd. |
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