| Patents for H01Q 13 - Waveguide horns or mouths; Slot aerials; Leaky-waveguide aerials; Equivalent structures causing radiation along the transmission path of a guided wave (15,760) |
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| 02/14/1978 | CA1026458A1 Antenna horn |
| 01/24/1978 | US4070676 Multiple resonance radio frequency microstrip antenna structure |
| 12/27/1977 | US4065772 Broadbeam radiation of circularly polarized energy |
| 12/13/1977 | US4063248 Multiple polarization antenna element |
| 12/13/1977 | US4063245 Microstrip antenna arrays |
| 11/15/1977 | US4058813 Sheet metal waveguide horn antenna |
| 10/18/1977 | US4054877 Circularly polarized dipole type omnidirectional transmitting antenna |
| 10/18/1977 | US4054876 Cavity antenna |
| 10/11/1977 | US4053897 Microwave element including source antenna and cavity portions |
| 10/11/1977 | US4053835 Apparatus for transmitting high frequency signals |
| 09/27/1977 | US4051480 Conformal edge-slot radiators |
| 09/27/1977 | US4051476 Parabolic horn antenna with microstrip feed |
| 09/13/1977 | US4048592 Arrangement for extracting divergence-measuring modes from a corrugated guide and tracking antenna incorporating same |
| 09/06/1977 | US4047181 Omnidirectional antenna |
| 09/06/1977 | US4047180 Broadband corrugated horn antenna with radome |
| 09/06/1977 | US4047179 IFF antenna arrangement |
| 08/16/1977 | US4042935 Wideband multiplexing antenna feed employing cavity backed wing dipoles |
| 08/02/1977 | US4040061 Broadband corrugated horn antenna |
| 08/02/1977 | US4038742 Method of making styrofoam slotted plane-array antenna |
| 07/26/1977 | US4037540 Directional antenna for a projectile or rocket detonator |
| 07/12/1977 | US4035807 Integrated microwave phase shifter and radiator module |
| 05/10/1977 | US4023179 Camouflage VHF antenna |
| 05/03/1977 | US4021814 Broadband corrugated horn with double-ridged circular waveguide |
| 05/03/1977 | US4021813 Geometrically derived beam circular antenna array |
| 05/03/1977 | US4021810 Travelling wave meander conductor antenna |
| 04/12/1977 | US4017864 Mode-launcher for simulated waveguide |
| 03/29/1977 | US4015263 Dual polarized blade antenna |
| 03/22/1977 | US4014027 Omnidirectional antenna for around a mast |
| 03/15/1977 | US4012743 Antenna system including a paraboloidal reflector and an exciter |
| 03/08/1977 | US4011566 In-line coax-to waveguide transition using dipole |
| 02/01/1977 | US4006481 Underground, time domain, electromagnetic reflectometry for digging apparatus |
| 01/25/1977 | US4005429 Camouflaged VHF antenna |
| 01/04/1977 | US4001834 Printed wiring antenna and arrays fabricated thereof |
| 12/14/1976 | US3997900 Four beam printed antenna for Doopler application |
| 11/30/1976 | US3995277 Microstrip antenna |
| 11/30/1976 | US3995274 Cylindrically shaped leaky wave antenna |
| 11/02/1976 | US3990081 Doppler radar device |
| 10/19/1976 | US3987458 Low-profile quadrature-plate UHF antenna |
| 10/19/1976 | US3987456 Wide relative frequency band and reduced size-to-wavelength ratio antenna |
| 10/19/1976 | US3987455 Microstrip antenna |
| 10/19/1976 | US3987453 Balanced exciter for wideband antenna element |
| 10/12/1976 | US3985851 Injection molding epoxy plastic with an aluminum mandrel; honing; plating with copper and gold |
| 08/31/1976 | US3978486 Antenna reflector support |
| 08/31/1976 | US3978485 Directional slot antenna for very high frequencies |
| 08/24/1976 | US3977006 Compensated traveling wave slotted waveguide feed for cophasal arrays |
| 08/17/1976 | US3975737 Radome-antenna structure |
| 08/17/1976 | US3975733 Transmitting antenna employing radial fins |
| 07/27/1976 | US3972050 End fed electric microstrip quadrupole antenna |
| 07/20/1976 | US3971032 Dual frequency microstrip antenna structure |
| 06/15/1976 | US3964070 Corrugated horn having means for extracting divergence-measuring modes |
| 06/15/1976 | US3963999 Ultra-high-frequency leaky coaxial cable |
| 05/25/1976 | US3959794 Semiconductor waveguide antenna with diode control for scanning |
| 05/04/1976 | US3955202 Circularly polarized wave launcher |
| 04/06/1976 | US3949406 Horn for radioelectric antennas |
| 04/06/1976 | US3949404 Highly efficient antenna system using a corrugated horn and scanning hyperbolic reflector |
| 03/23/1976 | US3946392 Electrically short transmission line antenna |
| 03/09/1976 | US3943521 Corrugated microwave horn |
| 02/10/1976 | US3938159 Dual frequency feed horn using notched fins for phase and amplitude control |
| 02/03/1976 | US3936837 Corrugated horn fed offset paraboloidal reflector |
| 01/06/1976 | US3931624 Antenna array for aircraft guidance system |