Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9715673 | System and method for managing replacement of consumables including recyclable gas purifiers | Adriaan Frans van der Maas, Martinus van der Maas | 2017-07-25 |
| 7873093 | Method and apparatus for carrying out a laser operation and use of a quick-change filter in such a laser operation | — | 2011-01-18 |
| 7608136 | In-line filter with quick-change coupling and a filter | — | 2009-10-27 |
| 7399346 | Quick-change filter system and a base and a quick-change filter intended for such a system | — | 2008-07-15 |
| 7258840 | Sample vial with transponder | Joachim Gerstel | 2007-08-21 |
| 7097812 | Device for storing and/or treating chemicals | Johannes Martinus Petrus van Deursen | 2006-08-29 |
| 6918952 | Quick-change filter system and a base and a quick-change filter intended for such a system | — | 2005-07-19 |
| 6733731 | Device for storing and/or treating chemicals | Johannes Martinus Petrus van Deursen | 2004-05-11 |
| 6662626 | Assembly for desorbing sampling tubes; adapter and sampling tubes for such an assembly; and kit of parts for forming such an assembly | — | 2003-12-16 |
| 6475443 | Device for storing and/or treating chemicals | Johannes Martinus Petrus van Deursen | 2002-11-05 |
| 6442995 | Assembly for desorbing sampling tubes; adapter and sampling tubes for such an assembly; and kit of parts for forming such as assembly | — | 2002-09-03 |
| 6125709 | Sampling tube and method for manufacturing such sampling tube | — | 2000-10-03 |
| 5478378 | Filter with quick-change coupling for cleaning gases | Ewit De Kuyper | 1995-12-26 |