Issued Patents All Time
Showing 25 most recent of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11851211 | Expendable airborne fiber optic link | David R. Porter, Walter T. Castleberry | 2023-12-26 |
| 10996041 | Devices and methods for facilitating blast and dispersion mitigation | — | 2021-05-04 |
| 10926875 | Devices and methods for facilitating capture of unmanned aerial vehicles | — | 2021-02-23 |
| 10836467 | Tilt-rotor multicopters with variable pitch propellers | Walter T. Castleberry, Nathan Trey McFerrin | 2020-11-17 |
| 10619988 | Devices and methods for facilitating blast and dispersion mitigation | — | 2020-04-14 |
| 10435153 | Nets and devices for facilitating capture of unmanned aerial vehicles | — | 2019-10-08 |
| D740307 | Computer display screen with graphical user interface | Ben McAllister | 2015-10-06 |
| D310713 | Fan housing with filter compartment | — | 1990-09-18 |
| D305683 | Table top air filter unit for removing hazardous fumes | — | 1990-01-23 |
| 4894071 | Portable air cleaner | — | 1990-01-16 |
| 4716062 | Composite materials, their preparation and articles made therefrom | — | 1987-12-29 |
| 4713285 | High temperature filter material | — | 1987-12-15 |
| 4710520 | Mica-polymer micro-bits composition and process | — | 1987-12-01 |
| 4664812 | Liquid filtration apparatus and process | — | 1987-05-12 |
| 4643182 | Disposable protective mask | — | 1987-02-17 |
| 4627863 | Filter for air handling equipment | — | 1986-12-09 |
| 4569756 | Water treatment system | — | 1986-02-11 |
| 4566969 | Rolling filter apparatus | — | 1986-01-28 |
| RE31849 | Porous media to separate gases liquid droplets and/or solid particles from gases or vapors and coalesce entrained droplets | — | 1985-03-19 |
| 4505823 | Filtering device for treating contaminated aqueous solutions | — | 1985-03-19 |
| 4454044 | Water treatment process | — | 1984-06-12 |
| 4427157 | Preparation of styrene-polymer and polyolefin micro-bits | — | 1984-01-24 |
| 4402364 | Fire extinguishing method | — | 1983-09-06 |
| 4395332 | Adsorption and filtration mat for liquids | — | 1983-07-26 |
| 4394146 | Filter apparatus | — | 1983-07-19 |