Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11066788 | Industrial mats having cost effective core structures | — | 2021-07-20 |
| 10895044 | Lightweight universal panel mat | Scott Calvert, Don COUVILLON | 2021-01-19 |
| 10753050 | Industrial mats having cost effective core structures | — | 2020-08-25 |
| 10273638 | Laminated mats with closed and strengthened core layer | — | 2019-04-30 |
| 10273639 | Hybrid industrial mats having side protection | Scott Calvert | 2019-04-30 |
| 10156045 | Panel mats connectable with interlocking and pinning elements | Scott Calvert, Don COUVILLON | 2018-12-18 |
| 10017903 | Industrial mats having side protection | Rustin B. Penland, Scott Calvert, Thomas O'Brien | 2018-07-10 |
| 9915036 | Stackable mat construction | — | 2018-03-13 |
| 9909708 | Preventing disturbances of underground conduit | Scott Calvert, Thomas O'Brien | 2018-03-06 |
| 9863098 | Hybrid crane mat with lifting elements | Scott Calvert, Chris Richardson, Mike Carbaugh | 2018-01-09 |
| 9845576 | Hybrid crane mat utilizing various longitudinal members | Scott Calvert, Chris Richardson, Mike Carbaugh | 2017-12-19 |
| 9822493 | Industrial mats having side protection | Rustin B. Penland, Scott Calvert, Thomas O'Brien | 2017-11-21 |
| 9714487 | Industrial mats with lifting elements | Scott Calvert | 2017-07-25 |
| 9663902 | Environmentally resistant encapsulated mat construction | Rustin B. Penland, Scott Calvert, Thomas O'Brien | 2017-05-30 |
| 9663903 | Industrial mats having plastic or elastomeric side members | — | 2017-05-30 |
| 9617693 | Lifting elements for crane mats | — | 2017-04-11 |
| 9605390 | Industrial mats having cost effective core support structures | — | 2017-03-28 |
| 9486976 | Mat construction having environmentally resistant skin | Rustin B. Penland, Scott Calvert, Thomas O'Brien | 2016-11-08 |
| 9476164 | Industrial mat having side bumpers and lifting elements | Rustin B. Penland, Scott Calvert, Thomas O'Brien | 2016-10-25 |
| 9447547 | Mat construction with environmentally resistant core | Rustin B. Penland, Scott Calvert, Thomas O'Brien | 2016-09-20 |
| 9447548 | Industrial mat with molded core and outer abuse surfaces | — | 2016-09-20 |
| 9315951 | Mat construction having environmentally resistant skin | Rustin B. Penland, Scott Calvert, Thomas O'Brien | 2016-04-19 |
| 9315949 | Mat construction with environmentally resistant core | Rustin B. Penland, Scott Calvert, Thomas O'Brien | 2016-04-19 |