Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11043741 | Antenna array system for producing dual polarization signals | — | 2021-06-22 |
| 10897090 | Electronics and filter-integrated, dual-polarized transition and radiator for phased array sensors | Julio A. Navarro, Paul C. Werntz, Philip R. Grajek, James M. Barker, Xu Luo | 2021-01-19 |
| 10424424 | Coaxial radio frequency connectors for high-power handling | James T. Farrell, Thomas E. Musselman, Martin W. Bieti | 2019-09-24 |
| 10403982 | Dual-mode antenna array system | — | 2019-09-03 |
| 9997820 | Enhanced hybrid-tee coupler | James M. Barker | 2018-06-12 |
| 9537212 | Antenna array system for producing dual circular polarization signals utilizing a meandering waveguide | Harold A. Rosen, Parthasarathy Ramanujam, Sasha J. Courtade, Joshua Maxwell Rutheiser | 2017-01-03 |
| 9373880 | Enhanced hybrid-tee coupler | James M. Barker | 2016-06-21 |
| 9350064 | Power division and recombination network with internal signal adjustment | James M. Barker | 2016-05-24 |
| 8049674 | Wide band tracking modulator | Christ P. Tzelepis | 2011-11-01 |
| 7872549 | Quasi-lumped resonator apparatus and method | Christ P. Tzelepis | 2011-01-18 |
| 7551136 | Multi-beam phased array antenna for limited scan applications | David Kalian, Thomas F. Klein, III, Alfred Lee | 2009-06-23 |
| 6657521 | Microwave waveguide filter having rectangular cavities, and method for its fabrication | James M. Barker, Keith N. Loi, Richard L. Bennett, Louis W. Hendrick, Rolf Kich | 2003-12-02 |
| 6549088 | Frequency adjustable multipole resonant waveguide load structure | Christopher L. Trammell, Rolf Kich | 2003-04-15 |
| 6304160 | Coupling mechanism for and filter using TE011 and TE01.delta. mode resonators | Keith N. Loi | 2001-10-16 |
| 6150907 | Coupling mechanism with moving support member for TE.sub.011 and TE.sub.01.delta. resonators | Keith N. Loi | 2000-11-21 |
| 6118356 | Microwave cavity having a removable end wall | Keith N. Loi, Franz D. Davis, Robert J. Ahulii, James W. Schultz | 2000-09-12 |
| 6057748 | Methods of tuning and temperature compensating a variable topography electromagnetic wave device | Ching-yuan L. Hsing, John E. Jordan | 2000-05-02 |
| 6046658 | Microwave filter having cascaded subfilters with preset electrical responses | Keith N. Loi, Louis W. Hendrick | 2000-04-04 |
| 6031434 | Coaxially configured OMT-multiplexer assembly | Daniel J. Hoppe, Christ P. Tzelepis, Keith N. Loi | 2000-02-29 |
| 5977849 | Variable topography electromagnetic wave tuning device, and operating method | Ching-yuan L. Hsing, John E. Jordan | 1999-11-02 |
| 5731750 | Spherical cavity mode transcendental control methods and systems | Ku'ulei C. Kent, Rolf Kich | 1998-03-24 |
| 5614877 | Biconical multimode resonator | Krishnan Raghavan, Rolf Kich | 1997-03-25 |
| 5184098 | Switchable dual mode directional filter system | Rolf Kich | 1993-02-02 |
| 4812790 | Toothed coupling iris | Martin B. Hammond | 1989-03-14 |
| 4802234 | Mode selective band pass filter | Martin B. Hammond, Rolf Kich | 1989-01-31 |