Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8555530 | System and method for pipeline padding | Billy W. Cronk | 2013-10-15 |
| 6237257 | Clam bucket for use in pipeline padding | — | 2001-05-29 |
| 6108945 | Clam bucket for use in pipeline padding | — | 2000-08-29 |
| 6055749 | Apparatus for padding underground conduits | — | 2000-05-02 |
| 6029378 | Apparatus for padding underground conduits | — | 2000-02-29 |
| 5694709 | Pipeline padding machine with crusher | Ray E. Hudson | 1997-12-09 |
| 5084991 | Pipeline padding apparatus and method | — | 1992-02-04 |
| 4948299 | Padding machine | Ronnie C. Burrows | 1990-08-14 |