Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12281296 | Electrochemical microbial sensor system and method of using same | David A. Hoffman | 2025-04-22 |
| 11992389 | Earwax removal device | — | 2024-05-28 |
| 11933758 | Methods and systems for monitoring microbial activity and communication in an environment | Russell G. Burge, David A. Hoffman | 2024-03-19 |
| 11635406 | Microbial sensor system for the assessment of subsurface environments | Russell G. Burge, David A. Hoffman | 2023-04-25 |
| 11300705 | Devices and methods for measuring temperature, oxidation reduction potential, and water-level within a subsurface formation | Thomas C. Sale, William Samuel Gallo, Kayvan Karimi Askarani | 2022-04-12 |
| 11231385 | Microbial sensor system for monitoring the environment and surfaces | David A. Hoffman | 2022-01-25 |
| 11226306 | Microbial sensor system for monitoring and imaging of an environment | David A. Hoffman | 2022-01-18 |
| 10656116 | Microbial sensor system for the assessment of subsurface environments | Russell G. Burge, David A. Hoffman | 2020-05-19 |
| 10113990 | Microbial sensor system for the assessment of subsurface environments | Russell G. Burge, David A. Hoffman | 2018-10-30 |
| 7247278 | Automated ground water monitoring and analysis system | Russell W. Burge, David A. Hoffman | 2007-07-24 |
| 7170608 | Simplified analytical apparatus for field deployable measurements of molecular absorbance and florescence | — | 2007-01-30 |
| 6322751 | Optrode for the detection of volatile chemicals | — | 2001-11-27 |
| 5293934 | Ground water sampling unit having a fluid-operated seal | Russell W. Burge | 1994-03-15 |
| 5147561 | Device for sampling and stripping volatile chemicals within wells | Russell W. Burge | 1992-09-15 |
| 4717473 | Apparatus for time-averaged or composite sampling of chemicals in ground water | Russell W. Burge | 1988-01-05 |