| 8648533 |
Overmoded cavity bounded by first and second grids for providing electron beam/RF signal interaction that is transversely distributed across the cavity |
Richard Donald Kowalczyk, Craig Bisset Wilsen |
2014-02-11 |
| 8330345 |
Active electronically steered cathode emission |
Craig Bisset Wilsen, Richard Donald Kowalczyk |
2012-12-11 |
| 8217577 |
Hybrid modulation in an emission-gated electron gun |
Craig Bisset Wilsen, Richard Donald Kowalczyk, Carter Michael Armstrong |
2012-07-10 |
| 8018158 |
Method and apparatus for interaction with a modulated off-axis electron beam |
Richard Donald Kowalczyk, Craig Bisset Wilsen, Chad Daniel Marchewka |
2011-09-13 |
| 7782130 |
Bowtie deflector cavity for a linear beam device |
Richard Donald Kowalczyk, Craig Bisset Wilsen |
2010-08-24 |
| 7688132 |
Method and apparatus for RF input coupling for inductive output tubes and other emission gated devices |
Richard Donald Kowalczyk, Craig Bisset Wilsen |
2010-03-30 |
| 7638946 |
Apparatus and method for trajectory modulation of an electron beam |
Craig Bisset Wilsen, Richard Donald Kowalczyk |
2009-12-29 |
| 7639785 |
Compact scanned electron-beam x-ray source |
Craig Bisset Wilsen, Richard Donald Kowalczyk |
2009-12-29 |
| 6259207 |
Waveguide series resonant cavity for enhancing efficiency and bandwidth in a klystron |
— |
2001-07-10 |
| 5504393 |
Combination tuner and second harmonic suppressor for extended interaction klystron |
— |
1996-04-02 |
| 5469023 |
Capacitive stub for enhancing efficiency and bandwidth in a klystron |
— |
1995-11-21 |
| 5469024 |
Leaky wall filter for use in extended interaction klystron |
Robert S. Symons |
1995-11-21 |
| 4931694 |
Coupled cavity circuit with increased iris resonant frequency |
Robert S. Symons |
1990-06-05 |