Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10101258 | Detection system for determining filtering effectiveness of airborne molecular contamination | David Y. H. Pui, Chang-Hyuk Kim | 2018-10-16 |
| 10006871 | Methods and apparatus for detecting airborne molecular contaminants | — | 2018-06-26 |
| 8192523 | Device and method for separating and increasing the concentration of charged particles in a sampled aerosol | Jeremy Jens Kolb, Ricky L. Holm | 2012-06-05 |
| 7812306 | Instruments for measuring nanoparticle exposure | Heinz Fissan, Andreas Trampe, David Y. H. Pui | 2010-10-12 |
| 7796727 | Aerosol charge conditioner | — | 2010-09-14 |
| 7407531 | Particle surface treatment for promoting condensation | Richard C. Flagan, Gilmore J. Sem | 2008-08-05 |
| 7057712 | Analysis systems detecting particle size and fluorescence | Tyler Beck, Peter P. Hairston | 2006-06-06 |
| 6568245 | Evaporative electrical detector | — | 2003-05-27 |
| 6544484 | Aerosol charge adjusting apparatus employing a corona discharge | Frank D. Dorman | 2003-04-08 |
| 5285513 | Optical fiber cable provided with stabilized waterblocking material | Jim J. Sheu | 1994-02-08 |
| 5270486 | Metallic transmission medium disposed in stabilized plastic insulation | Maureen Gillen Chan, Kent B. Connole, Timothy S. Dougherty, Karen D. Dye, Valerie Jeanne Kuck +3 more | 1993-12-14 |
| 5247842 | Electrospray apparatus for producing uniform submicrometer droplets | Fahimeh Zarrin, Frank D. Dorman | 1993-09-28 |
| 5121988 | Single particle detector method and apparatus utilizing light extinction within a sheet of light | James L. Blesener, David Blackford, Frank D. Dorman, Peter P. Hairston | 1992-06-16 |
| 5076097 | Method and apparatus for determining concentration of macromolecules and colloids in a liquid sample | Fahimeh Zarrin, Frank D. Dorman | 1991-12-31 |
| 4948257 | Laser optical measuring device and method for stabilizing fringe pattern spacing | Frank D. Dorman, Daniel C. Bjorkquist, Miles R. Finn | 1990-08-14 |
| 4657346 | Optical packages including fiber seals | Robert Berry, Friedrich Zwickel | 1987-04-14 |