Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5501118 | Ball nut and screw assembly with preload retaining ball return tube clamp | — | 1996-03-26 |
| 5492030 | Methods of making ball nuts for preloaded ball nut and screw assemblies | William E. Welling | 1996-02-20 |
| 5467662 | Ball nut and screw assemby with enhanced radial load capacity | David Lange, William E. Welling, Peter R. Mugglestone | 1995-11-21 |
| 4905533 | Seal and scraper assembly for ball bearing screws and the like | Dainis O. Martinsons | 1990-03-06 |
| 4859394 | Method of molding a one piece plastic ball nut | Joseph A. Rutkiewicz | 1989-08-22 |
| 4643041 | Preloaded ball nut and screw assembly and method of manufacture | — | 1987-02-17 |
| 4407511 | Seal and scraper assembly | Dainis O. Martinsons, Flave F. Stimpson | 1983-10-04 |
| 4342235 | Ball nut with internal crossover for ball recirculation | — | 1982-08-03 |
| 4272476 | Manufacture of ball nut with internal crossover path for ball recirculation | — | 1981-06-09 |
| 4211125 | Plural lead ball nut screw actuator | — | 1980-07-08 |