Issued Patents All Time
Showing 25 most recent of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12385820 | Acoustic concentration, transfer and analysis of samples containing particles | Richard N. Ellson, Richard G. Stearns | 2025-08-12 |
| 11898993 | Fluid impermeable ultrasonic transducer | Jay Daulton, Richard N. Ellson | 2024-02-13 |
| 11198878 | High-efficiency transfection of biological cells using sonoporation | Jennifer M. Hardee, Richard N. Ellson, Richard G. Stearns, Joseph D. Olechno, Marsha N. Blauwkamp | 2021-12-14 |
| 10787670 | High-efficiency transfection of biological cells using sonoporation | Jennifer M. Hardee, Richard N. Ellson, Richard G. Stearns, Joseph D. Olechno, Marsha N. Blauwkamp | 2020-09-29 |
| 8579414 | Self-assembling structures for electrostatic extraction of pigments from liquid inks for marking | David K. Biegelsen, Steven A. Buhler, Scott A. Elrod, John S. Fitch, David K. Fork +1 more | 2013-11-12 |
| 8319398 | Methods and systems to form high efficiency and uniform fresnel lens arrays for ultrasonic liquid manipulation | Vibhu Vivek, Ratnakar Dadi | 2012-11-27 |
| 8127614 | Methods and systems for ultrasonic coupling using ultrasonic radiation pressure | Vibhu Vivek, Ratnakar Dadi | 2012-03-06 |
| 8122880 | Inhaler that uses focused acoustic waves to deliver a pharmaceutical product | Jaan Noolandi, Robert A. Sprague | 2012-02-28 |
| 7517043 | Fluidic structures | John S. Fitch, Scott A. Elrod, Jurgen H. Daniel, James Stasiak, Steven A. Buhler +3 more | 2009-04-14 |
| 7246958 | Hand-propelled wand printer | Richard J. Goldstein, David L. Hecht, John S. Fitch, Stephen D. White, Eric Saund | 2007-07-24 |
| 7121275 | Method of using focused acoustic waves to deliver a pharmaceutical product | Jaan Noolandi, Robert A. Sprague | 2006-10-17 |
| 6893115 | Frequency correction for drop size control | Richard N. Ellson | 2005-05-17 |
| 6861034 | Priming mechanisms for drop ejection devices | Scott A. Elrod, Joy Roy, Richard H. Bruce, Jaan Noolandi, David A. Horine | 2005-03-01 |
| 6740530 | Testing method and configurations for multi-ejector system | Richard H. Bruce, Scott A. Elrod, Jaan Noolandi, David A. Horine | 2004-05-25 |
| 6713022 | Devices for biofluid drop ejection | Jaan Noolandi, David A. Horine, Richard H. Bruce, Joy Roy, Scott A. Elrod | 2004-03-30 |
| 6694817 | Method and apparatus for the ultrasonic actuation of the cantilever of a probe-based instrument | F. Levent Degertekin, Abidin Güçlü Onaran | 2004-02-24 |
| 6644785 | Solid BI-layer structures for use with high viscosity inks in acoustic ink in acoustic ink printing and methods of fabrication | Scott A. Elrod, David Steinmetz, Kaiser H. Wong | 2003-11-11 |
| 6622720 | Using capillary wave driven droplets to deliver a pharmaceutical product | — | 2003-09-23 |
| 6623700 | Level sense and control system for biofluid drop ejection devices | David A. Horine, Richard H. Bruce, Jaan Noolandi, Scott A. Elrod | 2003-09-23 |
| 6533380 | Method and apparatus for reducing neighbor cross-talk and increasing robustness of an acoustic printing system against isolated ejector failure | Richard N. Ellson | 2003-03-18 |
| 6514704 | Quality control mechanism and process for a biofluid multi-ejector system | Richard H. Bruce, Scott A. Elrod, David A. Horine, Jaan Noolandi, Joy Roy +1 more | 2003-02-04 |
| 6503454 | Multi-ejector system for ejecting biofluids | Scott A. Elrod, Richard H. Bruce, Jaan Noolandi, David A. Horine | 2003-01-07 |
| 6494565 | Methods and apparatuses for operating a variable impedance acoustic ink printhead | Richard N. Ellson, Robert P. Kowalski, Thanh D. Truong | 2002-12-17 |
| 6447086 | Method and apparatus for achieving controlled RF switching ratios to maintain thermal uniformity in the acoustic focal spot of an acoustic ink printhead | Lamar T. Baker, Steven A. Buhler, Scott A. Elrod, William F. Gunning, Abdul M. El Hatem +2 more | 2002-09-10 |
| 6428159 | Apparatus for achieving high quality aqueous ink-jet printing on plain paper at high print speeds | Joy Roy, Richard N. Ellson, Robert A. Sprague, James B. Kruger, John M. Lennon | 2002-08-06 |