Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11865629 | Rotary cutting tool with high ramp angle capability | Leonid Boris Sharivker, Sergei Vladimir Boulakhov, John Boyea | 2024-01-09 |
| 10766083 | Spiral flute tap with continuously increasing helix angle | Yan Yan | 2020-09-08 |
| 10195675 | Twist drill with unequal flute spacing and unequal relief angles | — | 2019-02-05 |
| 9643264 | Coupling mechanism for cutting tool | Ruy Frota de Souza, Leonid Boris Sharivker, Sergei Vladimir Boulakhov, Christoph Gey, Yosi Harush +2 more | 2017-05-09 |
| 9643262 | Coupling mechanism for cutting tool | Ruy Frota de Souza, Leonid Boris Sharivker, Sergei Vladimir Boulakhov, Christoph Gey, Yosi Harush +2 more | 2017-05-09 |
| 9463531 | Three-dimensional surface shaping of rotary cutting tool edges with lasers | Christoph Gey, Karthik Sampath, Fabian Rosenberger | 2016-10-11 |
| 9428968 | Rotary drill bit with cutting insert having edge preparation | Nicholas J. Paros, Glenn W. Sheffler, Don C. Rowlett | 2016-08-30 |
| 9347276 | Two prong rotary drill bit with cutting insert having edge preparation | Nicholas J. Paros, Glenn W. Sheffler, Don C. Rowlett | 2016-05-24 |
| 9303511 | Flat cutter bit with cutting insert having edge preparation | Nicholas J. Paros, Glenn W. Sheffler, Don C. Rowlett | 2016-04-05 |
| 9085947 | Rotary drill bit with cutting insert for engaging earth strata | Nicholas J. Paros | 2015-07-21 |
| 9011050 | Chip-resistant cutting tap | Willard E. Henderer, Timothy A. Moore | 2015-04-21 |
| 8734068 | Cutting tool with unequal flute spacing | Tilo Krieg, Christoph Gey | 2014-05-27 |
| 8408850 | Twist drill with negative axial rake transition between the lip and the secondary cutting edge | — | 2013-04-02 |
| 8210779 | Cutting tap and method of making same | Willard E. Henderer, Vladimir Volokh | 2012-07-03 |
| 7950880 | Spiral flute tap | Willard E. Henderer, Steven R. Burns, Sadayuki Akaki | 2011-05-31 |
| 7832966 | Drill for making flat bottom hole | Michael D. Shultz, Raymond E. Moring, David L. Ford | 2010-11-16 |
| 7140815 | Drill for making flat bottom hole | Raymond E. Moring, David L. Ford | 2006-11-28 |
| 6602029 | Cutting tool and method and apparatus for making the same | — | 2003-08-05 |
| 6431962 | Method and apparatus for making a cutting tool having a flute | — | 2002-08-13 |
| 6419561 | Method and apparatus for making a cutting tool having a plurality of margins | — | 2002-07-16 |
| D445436 | Fluted cutting tool | — | 2001-07-24 |