Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6144205 | Optical control of radio frequency antennae in a magnetic resonance imaging system | Ronald Dean Watkins | 2000-11-07 |
| 5882305 | Optical coupling for invasive devices | Charles L. Dumoulin, Ronald Dean Watkins, Robert David Darrow | 1999-03-16 |
| 5730129 | Imaging of interventional devices in a non-stationary subject | Robert David Darrow, Charles L. Dumoulin | 1998-03-24 |
| 5730134 | System to monitor temperature near an invasive device during magnetic resonance procedures | Charles L. Dumoulin, Ronald Dean Watkins, Robert David Darrow | 1998-03-24 |
| 5713359 | Magnetic resonance (MR) perfusion imaging in a low-field imaging magnet | Charles L. Dumoulin | 1998-02-03 |
| 5671739 | Imaging of interventional devices during medical procedures | Robert David Darrow, Charles L. Dumoulin | 1997-09-30 |
| 5626137 | Apparatus and methods for magnetic resonance (MR) angiography using fluids polarized at low temperatures | Charles L. Dumoulin, Robert David Darrow | 1997-05-06 |
| 5617859 | Apparatus and methods for magnetic resonance (MR) imaging of cavities using fluids polarized at low temperatures | Charles L. Dumoulin, Robert David Darrow, Harvey E. Cline | 1997-04-08 |
| 5611340 | Apparatus and methods for magnetic resonance (MR) angiography using hydrogen polarized at low temperatures | Charles L. Dumoulin | 1997-03-18 |
| 5603320 | Magnetic resonance (MR) angiography using an integrated polarizing and imaging magnet | Charles L. Dumoulin | 1997-02-18 |
| 5577502 | Imaging of interventional devices during medical procedures | Robert David Darrow, Charles L. Dumoulin | 1996-11-26 |
| 5525906 | Detection and elimination of wide bandwidth noise in MRI signals | Carl R. Crawford, Matthew G. Eash, Norbert J. Pelc, Dennis G. DallaPiazza, Daniel Small +1 more | 1996-06-11 |
| 5447156 | Magnetic resonance (MR) active invasive devices for the generation of selective MR angiograms | Charles L. Dumoulin, Paul A. Bottomley | 1995-09-05 |
| 5419325 | Magnetic resonance (MR) angiography using a faraday catheter | Charles L. Dumoulin | 1995-05-30 |
| 5353795 | Tracking system to monitor the position of a device using multiplexed magnetic resonance detection | Charles L. Dumoulin, Robert David Darrow | 1994-10-11 |
| 5318025 | Tracking system to monitor the position and orientation of a device using multiplexed magnetic resonance detection | Charles L. Dumoulin, Robert David Darrow | 1994-06-07 |
| 5307808 | Tracking system and pulse sequences to monitor the position of a device using magnetic resonance | Charles L. Dumoulin, Robert David Darrow | 1994-05-03 |
| 5271400 | Tracking system to monitor the position and orientation of a device using magnetic resonance detection of a sample contained within the device | Charles L. Dumoulin, Robert David Darrow | 1993-12-21 |
| 5233299 | Projection methods for producing two-dimensional images from three-dimensional data | William Adams, Charles L. Dumoulin | 1993-08-03 |
| 5226113 | Method and apparatus for volumetric projection rendering using reverse ray casting | Harvey E. Cline, Siegwalt Ludke, Charles L. Dumoulin | 1993-07-06 |
| 5211165 | Tracking system to follow the position and orientation of a device with radiofrequency field gradients | Charles L. Dumoulin, Robert David Darrow, John F. Schenck | 1993-05-18 |
| 5204625 | Segmentation of stationary and vascular surfaces in magnetic resonance imaging | Harvey E. Cline, William E. Lorensen, Thomas E. Kennedy | 1993-04-20 |
| 5201312 | Antennae for high-resolution magnetic resonance imaging of the eye | John F. Schenck, David R. Eisner | 1993-04-13 |
| 4972836 | Motion detector for high-resolution magnetic resonance imaging | John F. Schenck, David R. Eisner | 1990-11-27 |
| 4918386 | Method for simultaneously obtaining three-dimensional NMR angiograms and stationary tissue NMR images | Charles L. Dumoulin, Harvey E. Cline | 1990-04-17 |