Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12409735 | Vehicle with current collector | Helge Molthan, Henrik Engdahl, Christer Thoren | 2025-09-09 |
| 5939727 | Contamination sensor | — | 1999-08-17 |
| 5438420 | Monitoring of fluid contamination level wherein the light energy is focused on the fluid passage means | Warren J. Harwick, Kenneth L. Girvin | 1995-08-01 |
| 5092675 | Vacuum line particle detector with slab laser | — | 1992-03-03 |
| 5061065 | Particle contamination detection in fluids through the external section of a laser | — | 1991-10-29 |
| 5033851 | Light scattering method and apparatus for detecting particles in liquid sample | — | 1991-07-23 |
| 5007297 | Particle size measuring system with automatic dilution of sample | — | 1991-04-16 |
| 4984889 | Particle size measuring system with coincidence detection | — | 1991-01-15 |
| 4979822 | Particle measuring fluid cell having non-corrodible shims | — | 1990-12-25 |
| 4950073 | Submicron particle counting enlarging the particles in a condensation based growth process | — | 1990-08-21 |
| 4942305 | Integrating sphere aerosol particle detector | — | 1990-07-17 |
| 4934183 | Excess air contamination level indicator | Charles F. Harrison | 1990-06-19 |
| 4917496 | Particle size measuring instrument with direct scattered light detection | — | 1990-04-17 |