Issued Patents All Time
Showing 51–72 of 72 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7853362 | Method and device for regulating fluid pump pressures | Larry B. Gray | 2010-12-14 |
| 7544179 | System and method for delivering a target volume of fluid | Carl R. Distler, Gregory L. Distler, Jason A. Demers, Geoffrey P. Spencer | 2009-06-09 |
| 7421316 | Method and device for regulating fluid pump pressures | Larry B. Gray | 2008-09-02 |
| 6973373 | System for measuring change in fluid flow rate within a line | Larry B. Gray, Geoffrey P. Spencer, John B. Morrell | 2005-12-06 |
| 6808369 | System for regulating fluid pump pressures | Larry B. Gray | 2004-10-26 |
| 6749403 | Methods for controlling a pump's flow rate by pulsed discharge | Lawrence B. Gray, Geoff Spencer | 2004-06-15 |
| 6604908 | Methods and systems for pulsed delivery of fluids from a pump | Lawrence B. Gray, Geoff Spencer | 2003-08-12 |
| 6520747 | System for measuring change in fluid flow rate within a line | Larry B. Gray, Geoffrey P. Spencer, John B. Morrell | 2003-02-18 |
| 6503062 | Method for regulating fluid pump pressure | Larry B. Gray | 2003-01-07 |
| 6485263 | Systems for determining the volume of a volumetric chamber and pumping a fluid with a pump chamber | Larry B. Gray, Geoff Spencer | 2002-11-26 |
| 6416293 | Pumping cartridge including a bypass valve and method for directing flow in a pumping cartridge | Clement D. Bouchard, Lawrence B. Gray, Geoff Spencer | 2002-07-09 |
| 6343614 | System for measuring change in fluid flow rate within a line | Larry B. Gray, Geoffrey P. Spencer, John B. Morrell | 2002-02-05 |
| 6302653 | Methods and systems for detecting the presence of a gas in a pump and preventing a gas from being pumped from a pump | Lawrence B. Gray, Geoff Spencer | 2001-10-16 |
| 6223130 | Apparatus and method for detection of a leak in a membrane of a fluid flow control system | Larry B. Gray, Geoffrey P. Spencer | 2001-04-24 |
| 6065941 | System for measuring when fluid has stopped flowing within a line | Larry B. Gray, Geoffrey P. Spencer, John B. Morrell | 2000-05-23 |
| 6041801 | System and method for measuring when fluid has stopped flowing within a line | Larry B. Gray, Geoffrey P. Spencer, John B. Morrell | 2000-03-28 |
| 5634896 | Liquid pumping mechanisms for peritoneal dialysis systems employing fluid pressure | Clement D. Bouchard, Dean Kamen, Richard J. Lanigan, Bradley D. Miller, Geoffrey P. Spencer +1 more | 1997-06-03 |
| 5474683 | Peritoneal dialysis systems and methods employing pneumatic pressure and temperature-corrected liquid volume measurements | Dean Kamen, Douglas E. Vincent | 1995-12-12 |
| 5438510 | User interface and monitoring functions for automated peritoneal dialysis systems | Jeffrey L. Finkelstein, Dean Kamen, Richard J. Lanigan, Bradley D. Miller, Geoffrey P. Spencer | 1995-08-01 |
| 5431626 | Liquid pumping mechanisms for peritoneal dialysis systems employing fluid pressure | Clement D. Bouchard, Dean Kamen, Richard J. Lanigan, Bradley D. Miller, Geoffrey P. Spencer +1 more | 1995-07-11 |
| 4495353 | Process for substitution of aromatic organic compounds | — | 1985-01-22 |
| 4422955 | Process for substitution of aromatic organic compounds | — | 1983-12-27 |