Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10724256 | Enhanced safety cage apparatus for work areas on top of rolling stock such as rail tank cars | Eric W. Anderson, James Quinn Sawinski, Jr. | 2020-07-28 |
| 9731915 | Loading arm with hatch plate for top hatch of transport tank | Allan J. Melton, Douglas S. Parris | 2017-08-15 |
| 9505568 | Loading arm with soft-seal hatch cone assembly for top hatch of transport tank | Douglas S. Parris | 2016-11-29 |
| 8453705 | Vertically movable door with safety barrier | Jason D. Miller, Donald P. Grant, Paul Maly, Joseph Manone, Daniel M. Anderson +2 more | 2013-06-04 |
| 7832451 | Vertically movable door with safety barrier | Jason D. Miller, Donald P. Grant, Paul Maly, Joseph Manone, Daniel M. Anderson +2 more | 2010-11-16 |
| 7775252 | Vertically movable door with safety barrier | Ronald P. Snyder, Jason D. Miller, Donald P. Grant, Paul Maly, Joseph Manone +2 more | 2010-08-17 |
| 6527081 | Embankment stairway | Sandy William Tyner | 2003-03-04 |
| 5908584 | Electrically conductive building material | — | 1999-06-01 |