Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9096282 | Rig with drawworks and hoisting device | Harlan B. Smith | 2015-08-04 |
| 9045178 | Rotation device for load transporting apparatus | Harlan B. Smith | 2015-06-02 |
| 9004203 | Alignment restoration device for load transporting apparatus | Harlan B. Smith | 2015-04-14 |
| 8839892 | Centering device for load transporting apparatus | Harlan B. Smith | 2014-09-23 |
| 8573334 | Rotation device for load transporting apparatus | Harlan B. Smith | 2013-11-05 |
| 8561733 | Alignment restoration device for load transporting apparatus | Harlan B. Smith | 2013-10-22 |
| 8490724 | Centering device for load transporting apparatus | Harlan B. Smith | 2013-07-23 |
| 7883309 | Method and apparatus for handling pipe | Harlan B. Smith | 2011-02-08 |
| 7089619 | Multipurpose tool | — | 2006-08-15 |