| 7325465 |
Particle matter sampling method and sampler with a virtual impactor particle concentrator |
Paul A. Solomon |
2008-02-05 |
| 6990846 |
Impactor inlet |
— |
2006-01-31 |
| 6829919 |
High-quality continuous particulate matter monitor |
Paul A. Solomon |
2004-12-14 |
| 6786105 |
Personal particle monitor |
— |
2004-09-07 |
| 6585803 |
Electrically enhanced electrostatic precipitator with grounded stainless steel collector electrode and method of using same |
Ming-Chih Chang, Seongheon Kim |
2003-07-01 |
| 5932795 |
Methods and apparatus for continuous ambient particulate mass monitoring |
Petros Koutrakis, Peng Wang, Jack M. Wolfson |
1999-08-03 |
| 5899201 |
Aerosol actuator |
Robert K. Schultz |
1999-05-04 |
| 5669376 |
Aerosol actuator having a linearly arranged canister receiving cavity, valve stem receptacle, orifice, and deagglomeration chamber |
— |
1997-09-23 |
| 5571945 |
Method and apparatus to measure particulate matter in gas |
Petros Koutrakis, Peng Wang, Jack M. Wolfson |
1996-11-05 |
| 5533498 |
Aerosol actuator having a linearly arranged canister receiving cavity, valve stem receptacle, orifice, and deagglomeration chamber |
— |
1996-07-09 |
| 5115803 |
Aerosol actuator providing increased respirable fraction |
— |
1992-05-26 |