Issued Patents All Time
Showing 25 most recent of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11234353 | Actuator assembly | Stanton L. Mapson, Alex W. Buhr, Justin L. Pryor | 2022-02-01 |
| 10779454 | Soil penetrating apparatus with depth control | Clark S. Papke, Stanton L. Mapson, Alex W. Buhr, Justin L. Pryor, Sang Pheng | 2020-09-22 |
| 8746559 | Apparatuses and methods for wireless monitoring and control of supplies for environmental sampling and chromatographic apparatuses | Dale A. Davison, Dale L. Meyer, Jack Silver, Jon L. Curran, Ruth A. Pipes | 2014-06-10 |
| 8555709 | Apparatuses and methods for wireless monitoring and control of environmental sampling and chromatographic apparatuses | Dale A. Davison, Dale L. Meyer, Jack Silver, Jon L. Curran, Ruth A. Pipes | 2013-10-15 |
| 6319410 | Apparatus and method for super critical fluid extraction | Robert W. Allington, Dale A. Davison, Dale L. Clay, Robin R. Winter, Yoossef Tehrani | 2001-11-20 |
| 6294088 | Apparatus and method for supercritical fluid extraction or supercritical fluid chromatography | Robert W. Allington, Henry L. Walters, Yoossef Tehrani | 2001-09-25 |
| 6251267 | Apparatus for supercritical fluid extraction | Robert W. Allington, Robin R. Winter, Dale L. Clay | 2001-06-26 |
| 6241890 | Apparatus and method for supercritical fluid extraction | Dale L. Clay, Robert W. Allington, Philip Bernard Liescheski, III, Robin R. Winter | 2001-06-05 |
| 6149814 | Apparatus and method for supercritical fluid extraction or supercritical fluid chromatography | Robert W. Allington, Henry L. Walters, Yoossef Tehrani | 2000-11-21 |
| 6086767 | Apparatus and method for supercritical fluid extraction or supercritical fluid chromatography | Henry L. Walters, Robert W. Allington, Yoossef Tehrani | 2000-07-11 |
| 6083399 | Apparatus and method for supercritical fluid extraction | Robert Macomber, Robert W. Allington | 2000-07-04 |
| 6071408 | Apparatus and method for supercritical fluid extraction | Robert W. Allington, Dale A. Davison, Dale L. Clay, Robin R. Winter, Yoossef Tehrani | 2000-06-06 |
| 5911881 | Apparatus and method for collecting analyte in supercritical fluid extraction | Dale L. Clay, Robert W. Allington, Philip Bernard Liescheski, III, Robin R. Winter | 1999-06-15 |
| 5755559 | Apparatus and method for pumping supercritical fluid and measuring flow thereof | Robert W. Allington, Dale A. Davison, Dale L. Clay, Robin R. Winter, Yoossef Tehrani | 1998-05-26 |
| 5750027 | Apparatus and method for supercritical fluid extraction or supercritical fluid chromatography | Robert W. Allington, Henry L. Walters, Yoossef Tehrani | 1998-05-12 |
| 5738498 | Apparatus and method for thermoelectric cooling of an extraction fluid pump | Robert W. Allington, Dale A. Davison, Dale L. Clay, Robin R. Winter, Yoossef Tehrani | 1998-04-14 |
| 5690828 | Apparatus and method for supercritical fluid extraction | Dale L. Clay, Robert W. Allington, Phillip B. Liescheski, Robin R. Winter | 1997-11-25 |
| 5653885 | Apparatus and method for supercritical fluid extraction | Robert Macomber, Robert W. Allington | 1997-08-05 |
| 5635070 | Apparatus and method for supercritical fluid extraction | Robert W. Allington, Dale A. Davison, Dale L. Clay, Robin R. Winter, Yoossef Tehrani | 1997-06-03 |
| 5614089 | Apparatus and method for supercritical fluid extraction or supercritical fluid chromatography | Robert W. Allington, Henry L. Walters, Yoossef Tehrani | 1997-03-25 |
| 5601707 | Apparatus and method for supercritical fluid extraction or supercritical fluid chromatography | Dale L. Clay, Robert W. Allington, Robin R. Winter | 1997-02-11 |
| 5584989 | Apparatus for supercritical fluid extraction having means for removing extraction from collection solvent | — | 1996-12-17 |
| 5360320 | Multiple solvent delivery system | Robert W. Allington | 1994-11-01 |
| 5296145 | Apparatus and method for supercritical fluid extraction | Robert W. Allington, Robin R. Winter, Dale L. Clay | 1994-03-22 |
| 5269930 | Apparatus and method for supercritical fluid extraction | — | 1993-12-14 |