Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9862136 | Method and apparatus for spirally winding a thermoplastic profile in the manufacture of welded plastic tubes | Christian Glasberg, Kari Karjalainen, Johan Portman | 2018-01-09 |
| 9821514 | Method and apparatus in the manufacture of a spirally wound and welded tube | Christian Glasberg, Kari Karjalainen | 2017-11-21 |
| 9550210 | Method of coating pipes or pipe sections | Leif Leiden, Jouni Purmonen | 2017-01-24 |
| 9186838 | Apparatus and method for coating pipes or pipe sections | Leif Leiden, Jouni Purmonen | 2015-11-17 |
| 8932681 | Method and apparatus for coating pipes | Leif Leiden, Rauno Smått | 2015-01-13 |
| 8663767 | Hollow profile used in the manufacture of a pipe | Christian Vestman | 2014-03-04 |
| 8474401 | Method and apparatus for coating pipes | Leif Leiden, Rauno Smått | 2013-07-02 |
| 7770604 | Hollow profile used in the manufacture of a pipe | — | 2010-08-10 |
| 4723660 | Apparatus for advancing and sorting objects | — | 1988-02-09 |