Liu; Dong-Cheng
Patent Applications and Registrations
Patent applications and USPTO patent grants for Liu; Dong-Cheng.The latest application filed is for "tool holder".
- Liu; Dong-Cheng - Shenzhen CN
- - Shenzhen CN
- LIU; DONG-CHENG - Shenzhen City CN
| Patent | Date |
|---|---|
| Cutter magazine, cutter switching system using the cutter magazine, and machine tool using the cutter switching system Grant 9,296,078 - Zeng , et al. March 29, 2 | 2016-03-29 |
| Tool holder Grant 9,101,986 - Zeng , et al. August 11, 2 | 2015-08-11 |
| Positioning mechanism Grant 9,096,387 - Liu , et al. August 4, 2 | 2015-08-04 |
| Polishing device with driving mechanisms Grant 8,998,683 - Zeng , et al. April 7, 2 | 2015-04-07 |
| Cutter-changing device Grant 08920295 - | 2014-12-30 |
| Cutter-changing device Grant 8,920,295 - Zeng , et al. December 30, 2 | 2014-12-30 |
| Tool Holder App 20130099454 - ZENG; XIAN-CAI ; et al. | 2013-04-25 |
| Cylinder App 20130081487 - HUANG; CHIN-TSAN ; et al. | 2013-04-04 |
| Cutter Magazine, Cutter Switching System Using The Cutter Magazine, And Machine Tool Using The Cutter Switching System App 20130085049 - ZENG; XIAN-CAI ; et al. | 2013-04-04 |
| Cutter-changing Device App 20130085051 - ZENG; XIAN-CAI ; et al. | 2013-04-04 |
| Polishing Device App 20130078894 - ZENG; XIAN-CAI ; et al. | 2013-03-28 |
| Positioning Mechanism App 20130071200 - LIU; DONG-CHENG ; et al. | 2013-03-21 |
| Automatic disassembly machine Grant 8,001,674 - Chen , et al. August 23, 2 | 2011-08-23 |
| Positioning device Grant 7,744,072 - Hong , et al. June 29, 2 | 2010-06-29 |
| Automatic Disassembly Machine App 20090193651 - CHEN; KUN ; et al. | 2009-08-06 |
| Positioning Device App 20090072463 - HONG; JAMES JUEHUI ; et al. | 2009-03-19 |
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