Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10900894 | Optical particle counter | Edwin Hirst | 2021-01-26 |
| 10408733 | Crystalline particle detection | William E. Martin, III | 2019-09-10 |
| 9116121 | Second generation low-cost particle counter | Edwin Hirst | 2015-08-25 |
| 9057696 | Fluid-borne particle detector | Warren Roy Stanley, Emma Virginia Jane Foot | 2015-06-16 |
| 8711353 | Fluid-borne particle detector | Warren Roy Stanley | 2014-04-29 |
| 7436515 | Fluid borne particle analyzers | Edwin Hirst | 2008-10-14 |
| 6606157 | Detection of hazardous airborne fibres | Edward Hirst | 2003-08-12 |
| 6198110 | Method and apparatus for the real-time characterization of particles suspended within a fluid medium | Edwin Hirst | 2001-03-06 |
| 5471299 | Apparatus and method for the analysis of particle characteristics using monotonically scattered light | Edwin Hirst | 1995-11-28 |
| 5327777 | Biorheological measurement | Mark Tracey | 1994-07-12 |
| 5089714 | Particle asymmetry analyzer having sphericity detectors | Ian K. Ludlow | 1992-02-18 |
| 5043591 | Portable particle analysers having plural detectors | Ian K. Ludlow | 1991-08-27 |