Marple; Virgil A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Marple; Virgil A..The latest application filed is for "particle sampling and measurement in the ambient air".
- Marple; Virgil A. - Maple Plain MN
- Marple; Virgil A. - Maple Plaine MN
- Marple; Virgil A. - Minneapolis MN
- Marple; Virgil A. - Plymouth MN
| Patent | Date |
|---|---|
| Particle sampling and measurement in the ambient air Grant 9,541,488 - Liu , et al. January 10, 2 | 2017-01-10 |
| Particle Sampling And Measurement In The Ambient Air App 20140083167 - Liu; Benjamin Y. H. ; et al. | 2014-03-27 |
| Omni-directional inlet for particulate collection Grant 7,651,543 - Marple , et al. January 26, 2 | 2010-01-26 |
| Cascade impactor with individually driven impactor plates Grant 7,082,811 - Marple , et al. August 1, 2 | 2006-08-01 |
| Cascade impactor with individually driven impactor plates App 20050028616 - Marple, Virgil A. ; et al. | 2005-02-10 |
| Method and apparatus for cascade impactor testing of inhalable drug therapies recovery for chemical analysis App 20040250634 - Liu, Benjamin Y.H. ; et al. | 2004-12-16 |
| Method and apparatus for cascade impactor testing of inhalable drug therapies recovery for chemical analysis Grant 6,723,568 - Liu , et al. April 20, 2 | 2004-04-20 |
| Method and apparatus for verifying integrity of cascade impactors Grant 6,647,758 - Marple , et al. November 18, 2 | 2003-11-18 |
| Sampler for eliminating particle-related artifacts for flue gas measurement Grant 6,561,045 - Liu , et al. May 13, 2 | 2003-05-13 |
| Efficient high-productivity cascade impactors Grant 6,453,758 - Marple , et al. September 24, 2 | 2002-09-24 |
| Method and apparatus for automated operation of impactors App 20020081748 - Roberts, Daryl L. ; et al. | 2002-06-27 |
| Mixing devices for sample recovery from a USP induction port or a pre-separator App 20020071342 - Marple, Virgil A. ; et al. | 2002-06-13 |
| Low volume vacuum source for leak test fixture App 20020069691 - Roberts, Daryl L. ; et al. | 2002-06-13 |
| Pre-separator for inlets of cascade impactors App 20020070148 - Roberts, Daryl L. ; et al. | 2002-06-13 |
| Induction port assembly for impactors and method of assembly App 20020070548 - Roberts, Daryl L. ; et al. | 2002-06-13 |
| Impactor nozzle plate App 20020069709 - Roberts, Daryl L. ; et al. | 2002-06-13 |
| Method and apparatus for thin film deposition on large area substrates Grant 6,349,668 - Sun , et al. February 26, 2 | 2002-02-26 |
| Sampler for eliminating particle-related artifacts for flue gas measurement App 20010032519 - Liu, Benjamin Y.H. ; et al. | 2001-10-25 |
| Method and apparatus for verifying integrity of cascade impactors App 20010013244 - Marple, Virgil A. ; et al. | 2001-08-16 |
| Diesel particle virtual impactor sampler Grant 5,498,271 - Marple , et al. March 12, 1 | 1996-03-12 |
| Electrostatic precipitator assembly Grant 5,395,430 - Lundgren , et al. March 7, 1 | 1995-03-07 |
| Low particle loss cascade impactor Grant 5,343,767 - Marple , et al. September 6, 1 | 1994-09-06 |
| High volume PM.sub.10 sampling inlet Grant 5,040,424 - Marple , et al. August 20, 1 | 1991-08-20 |
| Particle concentrating sampler Grant 4,972,957 - Liu , et al. November 27, 1 | 1990-11-27 |
| Cartridge personal sampling impactor Grant 4,827,779 - Marple , et al. May 9, 1 | 1989-05-09 |
| Personal air sampling impactor Grant 4,796,475 - Marple January 10, 1 | 1989-01-10 |
| High volume virtual impactor Grant 4,670,135 - Marple , et al. June 2, 1 | 1987-06-02 |
| Multiple nozzle single stage impactor Grant 4,133,202 - Marple January 9, 1 | 1979-01-09 |
| Method and apparatus for generating dry dust particles Grant 3,997,433 - Liu , et al. December 14, 1 | 1976-12-14 |
| Precision aerosol divider Grant 3,954,428 - Marple , et al. May 4, 1 | 1976-05-04 |
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