Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10101258 | Detection system for determining filtering effectiveness of airborne molecular contamination | Stanley L. Kaufman, Chang-Hyuk Kim | 2018-10-16 |
| 9642694 | Device with electrospray coating to deliver active ingredients | Robert A. Hoerr, Da-Ren Chen, John V. Carlson | 2017-05-09 |
| 9222856 | Measurement of particle morphology using filtration | Jing Wang, Heinz Fissan, Sheng-Chieh Chen | 2015-12-29 |
| 9050611 | High mass throughput particle generation using multiple nozzle spraying | Da-Ren Chen | 2015-06-09 |
| 8181505 | Measurement system for the multidimensional aerosol characterization | Michael Mertler, Bernd Sachweh, Markus Linsenbühler, Michael Schäfer, Heinz Fissan +2 more | 2012-05-22 |
| 8028646 | Coating medical devices | Da-Ren Chen | 2011-10-04 |
| 7972661 | Electrospraying method with conductivity control | Da-Ren Chen | 2011-07-05 |
| 7951428 | Electrospray coating of objects | Robert A. Hoerr, John V. Carlson, Da-Ren Chen | 2011-05-31 |
| 7812306 | Instruments for measuring nanoparticle exposure | Heinz Fissan, Andreas Trampe, Stanley L. Kaufman | 2010-10-12 |
| 7498063 | High mass throughput particle generation using multiple nozzle spraying | Da-Ren Chen | 2009-03-03 |
| 7279322 | Electrospraying apparatus and method for coating particles | Da-Ren Chen | 2007-10-09 |
| 7247338 | Coating medical devices | Da-Ren Chen | 2007-07-24 |
| 6764720 | High mass throughput particle generation using multiple nozzle spraying | Da-Ren Chen | 2004-07-20 |
| 6746869 | Electrospraying apparatus and method for coating particles | Da-Ren Chen | 2004-06-08 |
| 6399362 | Electrospraying apparatus and method for introducing material into cells | Da-Ren Chen | 2002-06-04 |
| 6230572 | Instrument for measuring and classifying nanometer aerosols | Da-Ren Chen, Frederick R. Quant, Gilmore J. Sem, Heinz Fissan, Detlef Hummes +1 more | 2001-05-15 |
| 6145391 | Charged particle neutralizing apparatus and method of neutralizing charged particles | Da-Ren Chen | 2000-11-14 |
| 6093557 | Electrospraying apparatus and method for introducing material into cells | Da-Ren Chen | 2000-07-25 |
| 5992244 | Charged particle neutralizing apparatus and method of neutralizing charged particles | Da-Ren Chen | 1999-11-30 |
| 5973904 | Particle charging apparatus and method of charging particles | Da-Ren Chen | 1999-10-26 |