Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6954613 | Fixed satellite constellation system employing non-geostationary satellites in sub-geosynchronous elliptical orbits with common ground tracks | David Castiel, Jack Edward Anderson | 2005-10-11 |
| 6795687 | Elliptical satellite system emulating characteristics of geosynchronous satellites during the apogee portion of an elliptical orbit | David Castiel, Kenneth F. Manning | 2004-09-21 |
| 6766166 | Antenna null | — | 2004-07-20 |
| 6714521 | System and method for implementing a constellation of non-geostationary satellites that provides simplified satellite tracking | — | 2004-03-30 |
| 6701126 | System and method for implementing a constellation of non-geostationary satellites that does not interfere with the geostationary satellite ring | — | 2004-03-02 |
| 6678519 | Elliptical satellite system which emulates the characteristics of geosynchronous satellites | David Castiel, Kenneth F. Manning | 2004-01-13 |
| 6611683 | Elliptical satellite system which emulates the characteristics of geosynchronous satellites | David Castiel, Kenneth F. Manning | 2003-08-26 |
| 6577864 | Elliptical satellite system which emulates the characteristics of geosynchronous satellites | David Castiel, Kenneth F. Manning | 2003-06-10 |
| 6487476 | Redundant satellite system | — | 2002-11-26 |
| 6457678 | Constellation of elliptical orbit satellites with line of apsides lying in or near the equatorial plane | — | 2002-10-01 |
| 6263188 | Elliptical satellite system which emulates the characteristics of geosynchronous satellites | David Castiel, Kenneth F. Manning | 2001-07-17 |
| 6227497 | Adaptively positioned solar array | — | 2001-05-08 |
| 6102335 | Elliptical orbit satellite, system, and deployment with controllable coverage characteristics | David Castiel, Jay Brosius, Matthew Schor | 2000-08-15 |
| 5979832 | Dual ring array of satellites | — | 1999-11-09 |
| 5957409 | Ellipitical satellite system which emulates the characteristics of geosychronous satellites | David Castiel, Kenneth F. Manning | 1999-09-28 |
| 5845206 | Elliptical satellite system which emulates the characteristics of geosynchronous satellites | David Castiel, Kenneth F. Manning | 1998-12-01 |
| 5788187 | Elliptical orbit satellite, system, and deployment with controllable coverage characteristics | David Castiel, Jay Brosius, Matthew Schor | 1998-08-04 |
| 5669585 | Elliptical orbit satellite, system, and deployment with controllable coverage characteristics | David Castiel, Jay Brosius | 1997-09-23 |
| 5582367 | Elliptical orbit satellite, system, and deployment with controllable coverage characteristics | David Castiel, Jay Brosius | 1996-12-10 |
| 4854527 | Tetrahedral multi-satellite continuous-coverage constellation | — | 1989-08-08 |
| 4809935 | Satellite continuous coverage constellations | — | 1989-03-07 |