| 11085861 |
Apparatus for real-time size-distributed measurement of aerosol mass concentration |
Modi Chen, Lin Li, Amir A. Naqwi, Francisco J. Romay, Daryl L. Roberts +1 more |
2021-08-10 |
| 9541488 |
Particle sampling and measurement in the ambient air |
Benjamin Y. H. Liu, Francisco J. Romay, Lin Li |
2017-01-10 |
| 7651543 |
Omni-directional inlet for particulate collection |
Bernard A. Olson, Alan Webster Hall, Edward A. Lustig, Jr. |
2010-01-26 |
| 7082811 |
Cascade impactor with individually driven impactor plates |
Benjamin Y. H. Liu |
2006-08-01 |
| 6723568 |
Method and apparatus for cascade impactor testing of inhalable drug therapies recovery for chemical analysis |
Benjamin Y. H. Liu, Daryl L. Roberts |
2004-04-20 |
| 6647758 |
Method and apparatus for verifying integrity of cascade impactors |
Daryl L. Roberts |
2003-11-18 |
| 6595368 |
Pre-separator for inlets of cascade impactors |
Daryl L. Roberts |
2003-07-22 |
| 6561045 |
Sampler for eliminating particle-related artifacts for flue gas measurement |
Benjamin Y. H. Liu, Daryl L. Roberts, Francisco J. Romay |
2003-05-13 |
| 6543301 |
Impactor nozzle plate |
Daryl L. Roberts |
2003-04-08 |
| 6520673 |
Mixing devices for sample recovery from a USP induction port or a pre-separator |
Daryl L. Roberts |
2003-02-18 |
| 6453758 |
Efficient high-productivity cascade impactors |
Daryl L. Roberts, Benjamin Y. H. Liu |
2002-09-24 |
| 6431014 |
High accuracy aerosol impactor and monitor |
Benjamin Y. H. Liu |
2002-08-13 |
| 6349668 |
Method and apparatus for thin film deposition on large area substrates |
James J. Sun, Benjamin Y. H. Liu |
2002-02-26 |
| 5498271 |
Diesel particle virtual impactor sampler |
Bernard A. Olson, Kenneth L. Rubow |
1996-03-12 |
| 5395430 |
Electrostatic precipitator assembly |
Dale Lundgren, Robert A. Herrick |
1995-03-07 |
| 5343767 |
Low particle loss cascade impactor |
Nicholas C. Miller |
1994-09-06 |
| 5040424 |
High volume PM.sub.10 sampling inlet |
Benjamin Y. H. Liu |
1991-08-20 |
| 5006227 |
Volumetric flow controller for aerosol classifier |
Steven M. Behm, Robert M. Burton |
1991-04-09 |
| 4972957 |
Particle concentrating sampler |
Benjamin Y. H. Liu |
1990-11-27 |
| 4827779 |
Cartridge personal sampling impactor |
Benjamin Y. H. Liu |
1989-05-09 |
| 4796475 |
Personal air sampling impactor |
— |
1989-01-10 |
| 4670135 |
High volume virtual impactor |
Benjamin Y. H. Liu |
1987-06-02 |
| 4321822 |
Impactor apparatus |
Benjamin Y. H. Liu |
1982-03-30 |