Issued Patents All Time
Showing 25 most recent of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12121906 | Objective function for automatic control of a mineral ore grinding circuit based on multiple size measurements of the final ground product size from hydrocyclone classifier overflow streams | Jaime Sepulveda | 2024-10-22 |
| 11260399 | Assessing the benefits of automatic grinding control using PST technology for true on-line particle size measurement | Christian V. O'Keefe, Jaime Sepulveda | 2022-03-01 |
| 10830623 | Sensor detection of the presence of an air core in a fluid conductor, and the flow rate of the fluid in the conductor | Juan F. MEDINA, Dylan CIRULIS, Joseph MERCURI | 2020-11-10 |
| 10394207 | Techniques for optimizing performance of cyclones | Alex M. Van Der Spek, Americo J. Zuzunaga, Jerin J. Russell | 2019-08-27 |
| 9645001 | Performance monitoring of individual hydrocyclones using sonar-based slurry flow measurement | Alex M. Van Der Spek, Paul J. Rothman, Christian V. O'Keefe, Douglas H. Loose | 2017-05-09 |
| 9404893 | Flow and pipe management using velocity profile measurement and/or pipe wall thickness and wear monitoring | Christian V. O'Keefe, Mark R. Fernald, Timothy J. Bailey, Alex M. Van Der Spek, Michael A. Davis +1 more | 2016-08-02 |
| 9366653 | Graphical user interface re wear monitoring | Christian V. O'Keefe, Mark R. Fernald, Timothy J. Bailey, Alex M. Van Der Spek, Michael A. Davis +1 more | 2016-06-14 |
| 9335298 | Wear monitoring with rotational sensor and sensor thickness | Christian V. O'Keefe, Mark R. Fernald, Timothy J. Bailey, Alex M. Van Der Spek, Michael A. Davis +1 more | 2016-05-10 |
| 9291490 | Applications of sonar-based VF/GVF metering to industrial processing | Paul J. Rothman, Christian V. O'Keefe | 2016-03-22 |
| 9062682 | Applications of pump performance monitoring | Douglas H. Loose, Christian V. O'Keefe, Joseph L. Poplawski, Michael A. Davis, Mark R. Fernald +1 more | 2015-06-23 |
| 7430924 | Flow measurement apparatus having strain-based sensors and ultrasonic sensors | Daniel L. Gysling, Christian V. O'Keefe | 2008-10-07 |
| 7322251 | Method and apparatus for measuring a parameter of a high temperature fluid flowing within a pipe using an array of piezoelectric based flow sensors | Daniel L. Gysling, Michael A. Davis, James Dunphy, Paul F. Croteau | 2008-01-29 |
| 7237440 | Flow measurement apparatus having strain-based sensors and ultrasonic sensors | Daniel L. Gysling, Christian V. O'Keefe | 2007-07-03 |
| 7197938 | Contact-based transducers for characterizing unsteady pressures in pipes | Daniel L. Gysling, Thomas Engel, Paul F. Croteau | 2007-04-03 |
| 7058549 | Apparatus and method for measuring unsteady pressures within a large diameter pipe | Daniel L. Gysling, Douglas H. Loose, Thomas Engel, Paul F. Croteau | 2006-06-06 |
| 6768825 | Optical sensor device having creep-resistant optical fiber attachments | Guy A. Daigle, James Dunphy, Thomas Engel, John J. Grunbeck, Mark R. Fernald | 2004-07-27 |
| 6507693 | Optical filter device having creep-resistant optical fiber attachments | Guy A. Daigle, James Dunphy, Thomas Engel, John J. Grunbeck, Mark R. Fernald | 2003-01-14 |
| 6490931 | Fused tension-based fiber grating pressure sensor | Mark R. Fernald, Timothy J. Bailey, Matthew B. Miller, James M. Sullivan, James Dunphy +6 more | 2002-12-10 |
| 6445868 | Optical fiber feedthrough assembly and method of making same | John J. Grunbeck, Christopher T. Chipman, Bradley A. Currier | 2002-09-03 |
| 6439055 | Pressure sensor assembly structure to insulate a pressure sensing device from harsh environments | George Talmadge, Bradley A. Currier, Christopher T. Chipman, Guy A. Daigle, Richard Niezgorski +1 more | 2002-08-27 |
| 6317555 | Creep-resistant optical fiber attachment | Guy A. Daigle, James Dunphy, Thomas Engel, John J. Grunbeck, Mark R. Fernald +1 more | 2001-11-13 |
| 6278811 | Fiber optic bragg grating pressure sensor | Arthur D. Hay, Alan D. Kersey, Phillip E. Pruett, Mark R. Fernald, Guy A. Daigle +4 more | 2001-08-21 |
| 6252656 | Apparatus and method of seismic sensing systems using fiber optics | Jian-Qun Wu, Alan D. Kersey | 2001-06-26 |
| 6175108 | Accelerometer featuring fiber optic bragg grating sensor for providing multiplexed multi-axis acceleration sensing | Richard T. Jones, Guy A. Daigle | 2001-01-16 |
| 6016702 | High sensitivity fiber optic pressure sensor for use in harsh environments | — | 2000-01-25 |