Issued Patents All Time
Showing 25 most recent of 182 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12399154 | Speed of sound and/or density measurement using acoustic impedance | Douglas H. Loose, Lambertus J. Didden | 2025-08-26 |
| 12326404 | Method and system for detecting cancerous tissue and tumor margin using raman spectroscopy | Rishikesh Pandey | 2025-06-10 |
| 12306170 | Techniques for monitoring slump characteristic of concrete in a rotating container or drum | Michael A. Davis, Douglas H. Loose, David Vincent Newton, Charles Winston | 2025-05-20 |
| 12163891 | Digital mirror device based code-division multiplexed Raman optical mapping system for wide field imaging | Rishikesh Pandey | 2024-12-10 |
| 12157856 | Smart proppant technology for fracking and well production performance monitoring | — | 2024-12-03 |
| 12050213 | Techniques for monitoring slump characteristic of concrete in a rotating container or drum | Michael A. Davis, Douglas H. Loose, David Vincent Newton, Charles Winston | 2024-07-30 |
| 12038383 | Method and system for identifying tissue type based on peak-fitted parameters in high-wavenumber Raman spectrum | Rishikesh Pandey | 2024-07-16 |
| 11866646 | Smart proppant technology for fracking and well production performance monitoring | — | 2024-01-09 |
| 11821841 | System and method for classification of tissue based on Raman and fluorescence in high-wavenumber Raman spectrum | Rishikesh Pandey | 2023-11-21 |
| 11773317 | Smart proppant technology for fracking and well production performance monitoring | — | 2023-10-03 |
| 11725984 | Raman spectroscopy-based optical matched filter system and method for using the same | Rishikesh Pandey, David Fournier, Gary Root | 2023-08-15 |
| 11726076 | Techniques for monitoring slump characteristic of concrete in a rotating container or drum | Michael A. Davis, Douglas H. Loose, David Vincent Newton, Charles Winston | 2023-08-15 |
| 11324425 | Apparatus and method for assessment of cancer margin | — | 2022-05-10 |
| 11241700 | Non-flotation based recovery of mineral bearing ore using hydrophobic particle collection in a pipeline section | Mark R. Fernald, Paul J. Rothman | 2022-02-08 |
| 11193827 | Method and apparatus for identifying background fluorescence using spread spectrum excitation-source broadening in Raman spectroscopy | — | 2021-12-07 |
| 11117141 | Mineral separation using sized-, weight- or magnetic-based polymer bubbles or beads | Paul J. Rothman, Mark R. Fernald, Francis K. Didden, Christian V. O'Keefe, Douglas H. Adamson | 2021-09-14 |
| 11035826 | Method and apparatus for determining GVF—gas volume fraction—for aerated fluids and liquids in flotation tanks, columns, drums, tubes, vats | Mark R. Fernald, Timothy J. Bailey, Douglas H. Loose, James M. Sullivan, John Biesak +1 more | 2021-06-15 |
| 10989635 | Acoustic standing wave particle size or distribution detection | — | 2021-04-27 |
| 10974257 | Hybrid-flotation recovery of mineral bearing ores | — | 2021-04-13 |
| 10921275 | Tomographic determination of multiphase flows in pipes and/or liquid/froth interfaces in process tanks using high speed multiplexed electrical impedance sensing | — | 2021-02-16 |
| 10677624 | Techniques to determine a fluid flow characteristic in a channelizing process flowstream, by bifurcating the flowstream or inducing a standing wave therein | Douglas H. Loose, Alex M. Van Der Spek | 2020-06-09 |
| 10427166 | Transportable modular system for enhanced mineral recovery, from tailings line and deposits | Francis K. Didden, Mark R. Fernald, Paul J. Rothman | 2019-10-01 |
| 10379071 | Dual acoustic and electrical analysis technique for the tomographic determination of multiphase flows in pipes and/or liquid/froth interfaces in process tanks | Christian V. O'Keefe | 2019-08-13 |
| 10357782 | Flotation separation using lightweight synthetic beads or bubbles | Paul J. Rothman, Mark R. Fernald, Francis K. Didden, Christian V. O'Keefe, Douglas H. Adamson | 2019-07-23 |
| 10245597 | Dimensionally controlled ‘engineered polymer bubble’ for flotation separation | Francis K. Didden, Michael A. Davis, Paul J. Rothman, Mark R. Fernald, Christian V. O'Keefe +1 more | 2019-04-02 |