Inventor

CROUCH DAVID D

US51 patents

⚠️ This page may combine multiple inventors who share the name “CROUCH DAVID D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CROUCH DAVID D

RAYTHEON CO

Dual-window high-power conical horn antenna

Compact four-way waveguide power divider

Sensor suite and communication system for cargo monitoring and identification

Reflecting surfaces having geometries independent of geometries of wavefronts reflected therefrom

Microwave source system having a high thermal conductivity output dome

Magnetron tuning using plasmas

Multiple-port patch antenna

Variable quasioptical wave plate system and methods of making and using

Multiple axis self-contained spherical sensor system

Covert acoustic communications through solid propagation channels using spread spectrum coding and adaptive channel pre-distortion

Reduced-size waveguide device

Scannable semiconductor light-activated reflector for use at millimeter-wave frequencies

High-powered wideband tapered slot antenna systems and methods

Armored radome

Real time polarization compensation for dual-polarized millimeter wave communication

Monolithic wideband millimeter-wave radome

N-way coaxial-to-coaxial combiner/divider

Quasi-optical variable beamsplitter

Transparent metallic millimeter-wave window

Wideband frequency selective armored radome

Printed broadband absorber

Non-lethal naval vessel interdiction weapon

Multisegmented toroidal magnetic field projector

Directed energy delivery systems capable of disrupting air-based predatory threats

Printed-circuit isolation barrier for co-site interference mitigation

System for selectively blocking electromagnetic energy

Dual differential radiator

Optically transparent millimeter wave reflector

Low-cost rapid thermo-chemical decontamination process for facemasks or other personal protection equipment (PPE) and related system and apparatus

Ultra-compact portable solar-powered thermo-chemical decontamination system and method

Solar-heated thermo-chemical decontamination systems for facemasks or other personal protection equipment (PPE)

Non-lethal naval vessel interdiction weapon

Dielectric-encapsulated wideband metal radome

Coaxial-to-waveguide power combiner/divider comprising two fins disposed in a plane of the waveguide and connected to plural coaxial inputs/outputs

Power combining and energy radiating system and method

Planar metal Fresnel millimeter-wave lens

Deployable system for space debris collection

Capacitive batch counting to support one-way time-of-flight or other operations

N-way coaxial signal injector with axial feeds

Ridged N-way coaxial vacuum power combiner signal injector with radial feeds usable in a coaxial vacuum-electron device

Magic-Y splitter

Multiple input loop antenna

Multiple input loop antenna

Low-cost, portable, flameless-heater-powered thermo-chemical decontamination system for facemasks and other types of personal protection equipment (PPE)

Containment vessels for rapid thermo-chemical decontamination of facemasks or other personal protection equipment (PPE)

CROUCH DAVID D

Active retrodirective antenna array with a virtual beacon

Low loss variable phase reflect array using dual resonance phase-shifting element

Coherent near-field array

(unassigned)

Optical tuning of magnetron using leaky light structure

High average-power microwave window with high thermal conductivity dielectric strips