Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6977469 | Low-pressure mercury vapor discharge lamp | Josephus Theodorus Van Der Eyden | 2005-12-20 |
| 6630787 | Low-pressure mercury-vapor discharge lamp having electrode shield carrying direct electric current | Adrianus Johannes Hendricus Petrus Van Der Pol | 2003-10-07 |
| 6590342 | Metal halide lamp having halide resistant current conductors | Elisabeth Onnekes-Van Der Voort, Hendrik-Jan Dreuning, Franciscus H. Van Lierop, Martin F. C. Willemsen, Mark Bolech | 2003-07-08 |
| 6498432 | Low pressure mercury-vapor discharge lamp with electrode shield mounted on current supply conductors | Engelbertus Cornelius Petrus Maria Vossen, Jeroen Balm | 2002-12-24 |
| 6362569 | High-pressure metal halide discharge lamp | Christoffel Wijenberg, Joseph Leonardus Gregorius Suijker | 2002-03-26 |
| 6111359 | Integrated HID reflector lamp with HID arc tube in a pressed glass reflector retained in a shell housing a ballast | Dale E. Work, Mark W. Fellows, Gregory J. Nelson, Kent Collins, Robertus A. J. Keyser +6 more | 2000-08-29 |
| 6031332 | Metal halide lamp having specific filling | Christoffel Wijenberg | 2000-02-29 |
| 5998939 | High frequency HID lamp system | Mark W. Fellows, Gregory J. Nelson, Robertus A. J. Keyser, Dale E. Work, Josephus C. M. Hendricx +3 more | 1999-12-07 |
| 5828185 | High frequency HID lamp system with lamp driven at a frequency above the audible and below the lowest lamp resonant frequency | Mark W. Fellows, Gregory J. Nelson, Robertus A. J. Keyser, Dale E. Work, Josephus C. M. Hendricx +3 more | 1998-10-27 |
| 5424609 | High-pressure discharge lamp | Andreas S. G. Geven, Max L. P. Renardus, Jan A. J. Stoffels, Christoffel Wijenberg, Harald R. Dielis | 1995-06-13 |