| 11181459 |
Compact condensation particle counter technology |
— |
2021-11-23 |
| 11162879 |
Particle detection system and method |
David Blackford, Patricia B. Keady, Siqin He |
2021-11-02 |
| 11150172 |
Ice nucleii counter technology |
— |
2021-10-19 |
| 10697879 |
Colloid size distribution measurement technology |
David Blackford, Donald C. Grant, Gary Van Schooneveld, Mark R. Litchy |
2020-06-30 |
| 10551292 |
Colloid particle size-mass distribution measurement technology |
— |
2020-02-04 |
| 10388502 |
Charge conditioner technology |
— |
2019-08-20 |
| 9958371 |
Colloid size distribution measurement technology |
David Blackford, Donald C. Grant, Gary Van Schooneveld, Mark R. Litchy |
2018-05-01 |
| 9207207 |
Drift tube ion mobility spectrometer for aerosol measurement |
Christopher J. Hogan, Jr. |
2015-12-08 |
| 9086350 |
Particle concentration measurement technology |
Donald C. Grant, Mark R. Litchy, David Blackford |
2015-07-21 |
| 7852465 |
System for measuring liquid flow rates |
David Blackford, Frederick R. Quant |
2010-12-14 |
| 7777868 |
System for measuring non-volatile residue in ultra pure water |
David Blackford, Frederick R. Quant |
2010-08-17 |