Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11766723 | Tail stock for a long vertically suspended workpiece that will experience heat expansion | Crystal A. Parrott, Stephen L. Wiedmann | 2023-09-26 |
| 11198183 | Tail stock for a long vertically suspended workpiece that will experience heat expansion | Crystal A. Parrott, Stephen L. Wiedmann | 2021-12-14 |
| 9580788 | Methods for automated deposition of hardfacing material on earth-boring tools and related systems | Alan J. Massey, Kenneth E. Gilmore, Timothy P. Uno, Keith L. Nehring | 2017-02-28 |
| 9439277 | Robotically applied hardfacing with pre-heat | John H. Stevens, James L. Overstreet | 2016-09-06 |
| 8969754 | Methods for automated application of hardfacing material to drill bits | Kenneth E. Gilmore, Alan J. Massey, Timothy P. Uno, Keith L. Nehring | 2015-03-03 |
| 8731717 | Methods for manipulating cutting elements for earth-boring drill bits and tools | Sean W. Wirth, Alan J. Massey, Crystal A. Parrot | 2014-05-20 |
| 8698038 | Method and apparatus for the automated application of hardfacing material to rolling cutters of earth-boring drill bits | Alan J. Massey, Kenneth E. Gilmore, Keith L. Nehring | 2014-04-15 |
| 8471182 | Method and apparatus for automated application of hardfacing material to rolling cutters of hybrid-type earth boring drill bits, hybrid drill bits comprising such hardfaced steel-toothed cutting elements, and methods of use thereof | Bruce Stauffer, Alan J. Massey, Kenneth E. Gilmore, Keith L. Nehring | 2013-06-25 |
| 8450637 | Apparatus for automated application of hardfacing material to drill bits | Alan J. Massey, Kenneth E. Gilmore, Timothy P. Uno, Keith L. Nehring | 2013-05-28 |
| 8355815 | Methods, systems, and devices for manipulating cutting elements for earth-boring drill bits and tools | Sean W. Wirth, Alan J. Massey, Crystal A. Parrott | 2013-01-15 |
| 8240399 | Drill bit with an adjustable steering device | Ajay V. Kulkarni, John F. Bradford | 2012-08-14 |
| 8087479 | Drill bit with an adjustable steering device | Ajay V. Kulkarni, John F. Bradford | 2012-01-03 |
| 7891443 | Hardfacing around ball loading hole for earth-boring bit | Alan J. Massey, Keith L. Nehring | 2011-02-22 |
| 7823664 | Corrosion protection for head section of earth boring bit | Alan J. Massey, Eric C. Sullivan, John F. Bradford, Carmel Zouheir El Hakam, James L. Overstreet +1 more | 2010-11-02 |
| 7779937 | Steel tooth bit with scooped teeth profile | Robert J. Buske | 2010-08-24 |