Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12364824 | Compliance monitoring module for a breath-actuated inhaler | Douglas E. Weitzel, Enrique Calderon Oliveras, Daniel Buck | 2025-07-22 |
| 12013267 | System and method for measuring fluid flow from a syringe | — | 2024-06-18 |
| 11944425 | Compliance monitoring module for an inhaler | Douglas E. Weitzel, Enrique Calderon Oliveras, Daniel Buck | 2024-04-02 |
| 11141547 | Inhalation monitoring system and method | Mark Milton-Edwards, Henry Chrystyn, Douglas E. Weitzel | 2021-10-12 |
| 10946151 | Ultrasonic measurements for monitoring patients using respiratory therapy delivery devices | Dirk Von Hollen | 2021-03-16 |
| 10918816 | Compliance monitoring module for a breath-actuated inhaler | Douglas E. Weitzel, Enrique Calderon Oliveras, Daniel Buck | 2021-02-16 |
| 10905356 | Compliance monitoring module for an inhaler | Douglas E. Weitzel, Enrique Calderon Oliveras, Daniel Buck | 2021-02-02 |
| 10799655 | Ultrasonic energy measurements in respiratory drug delivery devices | — | 2020-10-13 |
| 10744283 | Tidal dry powder inhaler with miniature pressure sensor activation | Douglas E. Weitzel | 2020-08-18 |
| 10675422 | Monitoring respiratory parameters through ultrasonic measurements indicating flow changes in respiratory drug delivery devices | Dirk Von Hollen | 2020-06-09 |
| 10569034 | Compliance monitoring module for a breath-actuated inhaler | Douglas E. Weitzel, Enrique Calderon Oliveras, Daniel Buck | 2020-02-25 |
| 10300224 | Medical device notification system | — | 2019-05-28 |
| 10058661 | Inhalation monitoring system and method | Mark Milton-Edwards, Henry Chrystyn, Douglas E. Weitzel | 2018-08-28 |
| 9937305 | Medical device notification system | — | 2018-04-10 |
| 9821128 | System and method for monitoring nebulization of a medicament | — | 2017-11-21 |
| 9790937 | Low restriction resonator with adjustable frequency characteristics for use in compressor nebulizer systems | — | 2017-10-17 |
| 9782550 | Compliance monitoring module for a breath-actuated inhaler | Douglas E. Weitzel, Enrique Calderon Oliveras, Daniel Buck | 2017-10-10 |
| 9782551 | Compliance monitoring module for a breath-actuated inhaler | Douglas E. Weitzel, Enrique Calderon Oliveras, Daniel Buck | 2017-10-10 |
| 9234426 | Mine operation monitoring system | John Usher, Chris Green | 2016-01-12 |
| 8991389 | Drug solution level sensor for an ultrasonic nebulizer | Eric A. Lieberman, Lakshmi Penugonda | 2015-03-31 |
| 8960189 | System and method for monitoring a metered dose inhaler | — | 2015-02-24 |
| 7631643 | Nebulizing drug delivery device with interlock detection and temperature protection | Eric A. Lieberman | 2009-12-15 |
| 5906436 | Composting system | Arthur Cole, Carl Fronhofer, Donald B. Gillis, Daniel J. Hagen, Mark Sesera | 1999-05-25 |