Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9791868 | Regulators having an isolated loading chamber and blowout prevention apparatus | Daryll Duane Patterson, Falk Rapsch | 2017-10-17 |
| 9152151 | In-line back pressure fluid regulators | Ruediger Niebel, Falk Rapsch | 2015-10-06 |
| 9128492 | Regulators having an isolated loading chamber and blowout prevention apparatus | Daryll Duane Patterson, Falk Rapsch | 2015-09-08 |