Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5520712 | Abrasive cleaning balls and to methods and devices for manufacturing them | — | 1996-05-28 |
| 5482111 | Installations for cleaning tubes by circulating spongy balls, in particular improvements relating to impregnating the balls with water | — | 1996-01-09 |
| 4974662 | Devices for removing worn balls from cleaning installations for tube bundles | — | 1990-12-04 |
| 4702311 | Methods and devices for fastening bundles of tubes together | — | 1987-10-27 |
| 4523634 | Devices for separating the cleaning bodies of tube exchangers from the fluids which transport them | — | 1985-06-18 |
| 4283807 | Cleaning of heat exchangers composed of tubes | — | 1981-08-18 |