Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11161294 | Method and apparatus for introducing a foil into an elongated duct and apparatus and method for laminating a foil to a duct | Peter Wallin | 2021-11-02 |
| 10436355 | Duct and method for its manufacture | Peter Wallin | 2019-10-08 |
| 10330222 | Foldable duct comprising laminated foil on inside and outside | Peter Wallin | 2019-06-25 |
| 9618144 | Ventilation duct | Peter Wallin | 2017-04-11 |
| 9273881 | Connecting piece and a method and tool for its manufacture | Peter Wallin, Andreas Wallin | 2016-03-01 |
| 5829210 | Method to prepare for the installation of units using channels in dwellings, and multiple channel means to perform said method | — | 1998-11-03 |
| 4498784 | Method and a device for mixing and homogenization of a main substance with at least one additive substance, liquids in particular | Tomas Jargell | 1985-02-12 |