Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6655481 | Methods for fabricating drill bits, including assembling a bit crown and a bit body material and integrally securing the bit crown and bit body material to one another | Trent N. Butcher, Gordon A. Tibbits | 2003-12-02 |
| 6581671 | System for infiltrating preformed components and component assemblies | Trent N. Butcher, Redd H. Smith | 2003-06-24 |
| 6454030 | Drill bits and other articles of manufacture including a layer-manufactured shell integrally secured to a cast structure and methods of fabricating same | Trent N. Butcher, Gordon A. Tibbits | 2002-09-24 |
| 6354362 | Method and apparatus for infiltrating preformed components and component assemblies | Redd H. Smith, Trent N. Butcher | 2002-03-12 |
| 6209420 | Method of manufacturing bits, bit components and other articles of manufacture | Trent N. Butcher, Redd H. Smith | 2001-04-03 |
| 6089123 | Structure for use in drilling a subterranean formation | Jacob Chow, David P. Beacco, Lorenzo G. Lovato | 2000-07-18 |
| 6073518 | Bit manufacturing method | Jacob Chow, David P. Beacco, Lorenzo G. Lovato | 2000-06-13 |
| 5839329 | Method for infiltrating preformed components and component assemblies | Redd H. Smith, Trent N. Butcher | 1998-11-24 |