| Patents for James Powell |
Patents 1 -
15
of 27
      |
| Number | Title | Classification(s) |
| 159,962 | Lubricator for Steam Engines | 184/51 |
| 189,651 | Lubricators for Steam Engines | 184/51 |
| 189,652 | Chucks for Gas and Water Fittings | 279/112, 279/5 |
| 248,609 | Lubricator | 184/65 |
| 273,000 | Feed-table gage for curved work | 144/152, 83/410, 83/443, 83/522.24, 83/565, 83/703 |
| 326,517 | Lubricator | 184/86 |
| 326,518 | Lubricator | 184/65 |
| 326,519 | Lubricator | 184/80 |
| 326,520 | Lubricator | 184/45.1, 222/390 |
| 326,521 | Lubricator | 184/80 |
| 332,623 | Lubricator | 184/45.1 |
| 335,146 | Lubricator | 184/45.1 |
| RE10,728 | Lubricator | 184/45.1 |
| 365,629 | Lubricator | 184/65, 184/96 |
| 379,243 | Lubricator | 184/51 |
