Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11073622 | Performance and cost global navigation satellite system architecture | — | 2021-07-27 |
| 9618625 | System and method for continuous carrier wave reconstruction | Isaac T. Miller, William J. Bencze, Robert W. Brumley, Brent M. Ledvina, Mark L. Psiaki +1 more | 2017-04-11 |
| 9360557 | Systems, methods, devices and subassemblies for rapid-acquisition access to high-precision positioning, navigation and/or timing solutions | Isaac T. Miller, Robert W. Brumley, William J. Bencze, Brent M. Ledvina, Thomas J. Holmes +1 more | 2016-06-07 |
| 8296051 | Generalized high performance navigation system | David A. Whelan, Robert W. Brumley, Gregory M. Gutt, Barton G. Ferrell | 2012-10-23 |
| 8179312 | Precise absolute time transfer from a satellite system | David A. Whelan, Robert W. Brumley, Gregory M. Gutt, Barton G. Ferrell | 2012-05-15 |
| 8160576 | LEO-based positioning system for indoor and stand-alone navigation | David A. Whelan, Greg Gutt, Barton G. Ferrell | 2012-04-17 |
| 8035558 | Precise absolute time transfer from a satellite system | David A. Whelan, Robert W. Brumley, Gregory M. Gutt, Barton G. Ferrell | 2011-10-11 |
| 8019541 | Real-time data aiding for enhanced GPS performance | Bart Ferrell, Greg Gutt, David A. Whelan | 2011-09-13 |
| 7978130 | Practical method for upgrading existing GNSS user equipment with tightly integrated Nav-Com capability | Todd E. Humphreys, Brent M. Ledvina, William J. Bencze, Mark L. Psiaki, Bryan T. Galusha | 2011-07-12 |
| 7904243 | Real-time data aiding for enhanced GPS performance | Bart Ferrell, Greg Gutt, David A. Whelan | 2011-03-08 |
| 7583225 | Low earth orbit satellite data uplink | David A. Whelan, Robert W. Brumley, Gregory M. Gutt, Barton G. Ferrell | 2009-09-01 |
| 7579987 | Low earth orbit satellite providing navigation signals | David A. Whelan, Robert W. Brumley, Gregory M. Gutt, Barton G. Ferrell | 2009-08-25 |
| 7554481 | Localized jamming of navigation signals | David A. Whelan, Robert W. Brumley, Gregory M. Gutt, Barton G. Ferrell | 2009-06-30 |
| 7489926 | LEO-based positioning system for indoor and stand-alone navigation | David A. Whelan, Greg Gutt, Barton G. Ferrell | 2009-02-10 |
| 7372400 | Methods and apparatus for a navigation system with reduced susceptibility to interference and jamming | Robert W. Brumley, Mark L. Psiaki, Gregory M. Gutt, William J. Bencze, Brent M. Ledvina +2 more | 2008-05-13 |
| 7042392 | GPS access system and method | David A. Whelan, Gregory M. Gutt, Barton G. Ferrell | 2006-05-09 |
| 7023381 | Multi-frequency pseudolites for carrier-based differential-position determination | Kurt R. Zimmerman, David G. Lawrence, Walter Melton, Henry Stewart Cobb, Paul Montgomery | 2006-04-04 |
| 6882314 | Carrier-based differential-position determination using multi-frequency pseudolites | Kurt R. Zimmerman, David G. Lawrence, Walter Melton, Henry Stewart Cobb, Paul Montgomery | 2005-04-19 |
| 6762714 | Low cost system and method for making dual band GPS measurements | David G. Lawrence, Stewart Cobb, Paul Montgomery, Miro Samek, Kurt R. Zimmerman +3 more | 2004-07-13 |
| 6570534 | Low cost system and method for making dual band GPS measurements | David G. Lawrence, Stewart Cobb, Paul Montgomery, Miro Samek, Kurt R. Zimmerman +3 more | 2003-05-27 |
| 6373432 | System using leo satellites for centimeter-level navigation | Matthew Rabinowitz, Bradford W. Parkinson, David G. Lawrence | 2002-04-16 |
| RE37256 | System and method for generating precise position determinations | Bradford W. Parkinson, John D. Powell, David G. Lawrence, Boris Pervan, Henry Stewart Cobb | 2001-07-03 |
| 5583513 | System and method for generating precise code based and carrier phase position determinations | — | 1996-12-10 |
| 5572218 | System and method for generating precise position determinations | Bradford W. Parkinson, John D. Powell, David G. Lawrence, Boris Pervan, Henry Stewart Cobb | 1996-11-05 |
| 5548293 | System and method for generating attitude determinations using GPS | — | 1996-08-20 |