Issued Patents All Time
Showing 25 most recent of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9874520 | Epi-fluoresence confocal optical analyte sensor | — | 2018-01-23 |
| 9316554 | Fiber optic analyte sensor with integrated in situ total pressure correction | John Eastman | 2016-04-19 |
| 9128045 | Electrochemical sensor with zero calibration feature and method of calibrating | — | 2015-09-08 |
| 9121827 | Method of contemporaneously monitoring changes in analyte concentration in a plurality of samples on individual schedules | Timothy A. Ascheman | 2015-09-01 |
| 8916037 | Instrument and method for measuring high concentrations of carbon monoxide in a gaseous sample | Michael Howe | 2014-12-23 |
| 8759082 | Analytical instrument for evaluating microbial contamination of an object | Robert Demorest | 2014-06-24 |
| 8691071 | Coulometric analyte sensing instrument with an analyte-consuming sensor in a closed cell | Stephen D. Tuomela | 2014-04-08 |
| 8658429 | Photoluminescent oxygen probe tack | John Eastman | 2014-02-25 |
| 8563265 | Analytical instrument and method for evaluating microbial contamination of an object | Robert Demorest | 2013-10-22 |
| 8429949 | Calibration card for oxygen optical sensors | — | 2013-04-30 |
| 8323978 | Calibration system and technique for photoluminescent oxygen sensors with zero point maintained with a metal-air battery | Timothy A. Ascheman | 2012-12-04 |
| 8241911 | Calibration card for photoluminescent oxygen sensors with zero point maintained with a metal-air battery | Timothy A. Ascheman, Stephen D. Tuomela | 2012-08-14 |
| 8153082 | Sheet configured with a tessellated zipper pattern of identically shaped sensor elements and method of manufacture | Michael Howe | 2012-04-10 |
| 8093055 | Calibration card for photoluminescent oxygen sensors | Dmitri Boris Papkovsky | 2012-01-10 |
| 7993587 | Humidity control system for the sensing cell of an analyte permeation testing instrument | Stephen D. Tuomela | 2011-08-09 |
| 7921625 | Method for impermanent sealed perforation of thin-walled packaging | — | 2011-04-12 |
| 7908936 | System and method for generating a gas sample of known and adjustable relative humidity | — | 2011-03-22 |
| 7624623 | Instrument and method for detecting leaks in hermetically sealed packaging | Timothy A. Ascheman | 2009-12-01 |
| 7624622 | Method of measuring the transmission rate of a permeant through a container and determining shelf life of a packaged product within the container | Stephen D. Tuomela | 2009-12-01 |
| 7581427 | Workspace analyte sensing system and method using a fan to move samples from the workspace to the sensor | — | 2009-09-01 |
| 7578208 | System and method for generating a gas sample of known and adjustable relative humidity | — | 2009-08-25 |
| 7578170 | Instrument and method for detecting and reporting the size of leaks in hermetically sealed packaging | Timothy A. Ascheman | 2009-08-25 |
| 7571636 | Detecting and reporting the location of a leak in hermetically sealed packaging | — | 2009-08-11 |
| 7569128 | Coulometric water vapor sensor | Stephen D. Tuomela | 2009-08-04 |
| 7429027 | Self-flushing needle valve | Stephen D. Tuomela | 2008-09-30 |