Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6867413 | High-flow rate, low-noise, gas sampling apparatus and methods for collecting and detecting particulate in a gas | Lauren R. Basch, William E. Rogers | 2005-03-15 |
| 6651480 | Particulate mass measuring method with intrinsic correction for volatilization losses | Georg Rupprecht | 2003-11-25 |
| 6502450 | Single detector differential particulate mass monitor with intrinsic correction for volatilization losses | Georg Rupprecht | 2003-01-07 |
| 6422060 | Gas stream conditioning apparatus, system and method for use in measuring particulate matter | John Hiss, III | 2002-07-23 |
| 6205842 | Differential particulate mass monitor with intrinsic correction for volatilization losses | Georg Rupprecht | 2001-03-27 |
| 6151953 | Gas stream conditioning apparatus, system and method for use in measuring particulate matter | John Hiss, III | 2000-11-28 |
| 6138521 | Sequential air sampler with automatic sample collector changer | Lauren R. Basch | 2000-10-31 |
| 6023982 | Sequential air sampler with automatic sample collector changer | Lauren R. Basch | 2000-02-15 |
| 6016688 | In-stack direct particulate mass measurement apparatus and method with pressure/flow compensation | John Hiss, III | 2000-01-25 |
| 5970781 | In-stack direct particulate mass measurement apparatus and method | John Hiss, III | 1999-10-26 |
| 5553507 | Airborne particulate | Lauren R. Basch | 1996-09-10 |
| 5401468 | Dual flow path carbon particulate monitor | Georg Rupprecht | 1995-03-28 |
| 5279970 | Carbon particulate monitor with preseparator | Georg Rupprecht | 1994-01-18 |
| 5196170 | Carbon particulate monitor | Georg Rupprecht | 1993-03-23 |
| 4838371 | Constrained linear motion inertial balance | Georg Rupprecht | 1989-06-13 |
| 4836314 | Novel glass elements for use in balances | Georg Rupprecht | 1989-06-06 |
| 4391338 | Microbalance and method for measuring the mass of matter suspended within a fluid medium | Georg Rupprecht | 1983-07-05 |