Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8575838 | Ceramic burner for ceramic metal halide lamp | Marinus Cornelis Raas, Franciscus Johannes Gerardus Hakkens, Durandus Kornelius Dijken, Adrianus Gerardus Maria De Nijs, Alexander Johannes Adrianus Cornelia Dorrestein +1 more | 2013-11-05 |
| 8564200 | Metal halide lamp | Changlong Ning | 2013-10-22 |
| 8093815 | High-pressure discharge lamp having a ceramic discharge vessel directly sealed to a rod | Josephus Christiaan Maria Hendricx, Franciscus Johannes Gerardus Hakkens, Cornelis Johannes Maria Denissen | 2012-01-10 |
| 5510676 | High-pressure sodium lamp | Eduardus J. E. Cottaar | 1996-04-23 |
| 4251254 | Tools for the handling and shaping of glass | Johannes T. Klomp | 1981-02-17 |