Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11867611 | Optical-interference analysis | — | 2024-01-09 |
| 10466032 | Optical interferometry | — | 2019-11-05 |
| 9964432 | Method of vibration measurement and interferometer | — | 2018-05-08 |
| 8797549 | Interferometric methods and apparatus for seismic exploration | Paul Meldahl | 2014-08-05 |
| 8498176 | Seismic exploration | Paul Meldahl | 2013-07-30 |
| 7933003 | Method and apparatus for studying surface vibrations by moving speckle interferometer | Paul Meldahl | 2011-04-26 |
| 7583387 | Seismic exploration | Paul Meldahl, Johan Ole Lokberg | 2009-09-01 |
| 6970251 | Method for vibration measurement and interferometer | — | 2005-11-29 |
| 5363901 | Method for detecting pinholes in continuously cast billets | Karl O. Bjornestol, Jan T. Malmo, Yngve Strom | 1994-11-15 |