Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11359668 | Roller configured to support a rotary milking platform | — | 2022-06-14 |
| 8887444 | Door assembly and method of making same (stainless steel sliding door) | Arno Klien, David Slomski | 2014-11-18 |
| 8839563 | Door assembly and method of making same (stainless steel sliding door) | Arno Klein, David Slomski | 2014-09-23 |
| 8316915 | High speed door assembly | Brian Norbert Drifka, Arno Klein, John Sonn, Donald P. Grasso, Daniel Gregoriou | 2012-11-27 |
| 6910301 | Seal for a bi-parting door | Brian Norbert Drifka | 2005-06-28 |
| 6390171 | Roll-up overhead door for sanitary applications | Brian Norbert Drifka | 2002-05-21 |
| 6247517 | Roll-up overhead door for sanitary applications | Brian Norbert Drifka | 2001-06-19 |
| 6226995 | Frost control system for a door | Brian Norbert Drifka | 2001-05-08 |
| 6152208 | Flexible door with actuatable sealing mechanism | Christopher Genthe | 2000-11-28 |
| 6123139 | Overhead rigid-panel door | Joe Delgado | 2000-09-26 |
| 5620039 | Apparatus for providing a slidingly-separable connection between a movable barrier and a means for guiding the barrier | Joe Delgado | 1997-04-15 |
| 4964777 | Truck restraining device | Joseph P. H. Kleynjans | 1990-10-23 |
| 4823421 | Hydraulic lip actuator for dock leveler | Joseph P. H. Kleynjans, Dominic J. Pealer | 1989-04-25 |