Class B23B : TURNING; BORING
Subclass 3/34: General-purpose turning-machines or devices, e.g. centre lathes with feed rod and lead screw; Sets of turning-machines Short turning-machines with one or multiple working-spindles attended from the end (B23B 3/12 takes precedence)
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 10293409 | Machine tool and workpiece processing system | Jun 23, 15 | May 21, 19 | Citizen Watch Co. Ltd.; CITIZEN MACHINERY CO., LTD.; |
| 7117774 | Automatic lathe | Apr 25, 05 | Oct 10, 06 | CITIZEN WATCH CO., LTD. |
| 7032484 | Machine tool assembly | Mar 18, 03 | Apr 25, 06 | CITIZEN MACHINERY CO., LTD. |
| 6928909 | Automatic lathe | Sep 22, 00 | Aug 16, 05 | CITIZEN WATCH CO., LTD. |
| 6640677 | Machine tool | Aug 15, 01 | Nov 04, 03 | MORI SEIKI CO., LTD. |
| 6389939 | Multiple-spindle bar machine | Aug 26, 94 | May 21, 02 | BOURN & KOCH, INC. |
| 6050162 | Multi-spindle machine retrofit system | Jun 06, 97 | Apr 18, 00 | LOGAN CLUTCH CORPORATION |
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