Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9199315 | Twist drill and method for producing a twist drill which method includes forming a flute of a twist drill | Bernhard Borschert, Jürgen Schwägerl | 2015-12-01 |
| 8807888 | Rotary cutting tool, such as a drill, comprising an exchangeable cutting insert, and an exchangeable cutting insert | Bernhard Borschert, Jürgen Schwägerl, Ruy Frota de Souza, Michael D. Shultz, Michael R. McCormick +1 more | 2014-08-19 |
| 8366358 | Rotary cutting tool, such as a drill, comprising an exchangeable cutting insert, and an exchangeable cutting insert | Bernhard Borschert, Jürgen Schwägerl, Ruy Frota de Souza, Michael D. Shultz, Michael R. McCormick +1 more | 2013-02-05 |
| 7832967 | Rotary cutting tool, such as a drill, comprising an exchangeable cutting insert, and an exchangeable cutting insert | Bernhard Borschert, Jürgen Schwägerl, Ruy Frota de Souza, Michael D. Shultz, Michael R. McCormick +1 more | 2010-11-16 |
| 7591617 | Twist drill with a replaceable cutting insert and a rotary cutting tool with a replaceable cutting insert | Bernhard Borschert | 2009-09-22 |
| 7360974 | Rotary cutting tool, such as a drill, comprising an exchangeable cutting insert, and an exchangeable cutting insert | Bernhard Borschert, Jürgen Schwägerl, Ruy Frota de Souza, Michael D. Shultz, Michael R. McCormick +1 more | 2008-04-22 |
| 7306410 | Twist drill with a replaceable cutting insert and a rotary cutting tool with a replaceable cutting insert | Bernhard Borschert | 2007-12-11 |
| 7201543 | Twist drill and method for producing a twist drill which method includes forming a flute of a twist drill | Bernhard Borschert, Jürgen Schwägerl | 2007-04-10 |
| 7048480 | Twist drill with a replaceable cutting insert and a rotary cutting tool with a replaceable cutting insert | Bernhard Borschert | 2006-05-23 |
| 6988859 | Drill bit and method for grinding a drill bit | Bernhard Borschert | 2006-01-24 |
| 6688817 | Drill for drilling, a method for making a drill for drilling, and a cutting tool | Bernhard Borschert, Karl Heinz Wendt | 2004-02-10 |
| 5678960 | Twist drill | Werner Just | 1997-10-21 |