CHENG; CHEN-CHEN
Patent Applications and Registrations
Patent applications and USPTO patent grants for CHENG; CHEN-CHEN.The latest application filed is for "electric vehicle transmission mechanism and electric vehicle".
- CHENG; CHEN-CHEN - Taichung City TW
- Cheng; Chen Chen - Taichung TW
| Patent | Date |
|---|---|
| Electric Vehicle Transmission Mechanism And Electric Vehicle App 20220307582 - CHUNG; FU-HSIANG ; et al. | 2022-09-29 |
| Power Tool App 20220140633 - Chung; Fu Hsiang ; et al. | 2022-05-05 |
| Power tool Grant 11,097,353 - Hsu , et al. August 24, 2 | 2021-08-24 |
| Power wrench Grant 10,953,525 - Hsu , et al. March 23, 2 | 2021-03-23 |
| Power Wrench App 20190351534 - Hsu; Chih-Hua ; et al. | 2019-11-21 |
| Power operated dispensing tool Grant 10,005,098 - Hsu , et al. June 26, 2 | 2018-06-26 |
| Detachable medical electric tool Grant 9,980,736 - Chung , et al. May 29, 2 | 2018-05-29 |
| Handheld abrader Grant 9,919,401 - Hsu , et al. March 20, 2 | 2018-03-20 |
| Power Operated Dispensing Tool App 20180008999 - HSU; Chih-Hua ; et al. | 2018-01-11 |
| Handheld Abrader App 20170252888 - Hsu; Chih Hua ; et al. | 2017-09-07 |
| Detachable Medical Electric Tool App 20170196545 - CHUNG; Fu-Hsiang ; et al. | 2017-07-13 |
| Electric caulking gun Grant 8,646,657 - Hsu , et al. February 11, 2 | 2014-02-11 |
| Electrical caulking gun Grant 8,573,450 - Hsu , et al. November 5, 2 | 2013-11-05 |
| Electric Caulking Gun App 20130270302 - HSU; Chih-Hua ; et al. | 2013-10-17 |
| Electrical Caulking Gun App 20130043281 - Hsu; Chih-Hua ; et al. | 2013-02-21 |
| Rechargeable motor-driven ratchet wrench having power-off protection Grant 7,735,398 - Hsu , et al. June 15, 2 | 2010-06-15 |
| Electric Polishing Gun App 20100009608 - LO; Ping-Hsiang ; et al. | 2010-01-14 |
| Electric caulking gun Grant 7,637,392 - Hsu , et al. December 29, 2 | 2009-12-29 |
| Electric grinding gun Grant 7,604,528 - Lo , et al. October 20, 2 | 2009-10-20 |
| Electric Grinding Gun App 20090221222 - Lo; Ping-Hsin ; et al. | 2009-09-03 |
| Electric caulking gun App 20090039113 - Hsu; Chih-Hua ; et al. | 2009-02-12 |
| Rechargeable motor-driven ratchet wrench having power-off protection App 20080190246 - Hsu; Chih-Hua ; et al. | 2008-08-14 |
| Electrical hand tool with a position adjustable battery pack Grant 7,121,362 - Hsu , et al. October 17, 2 | 2006-10-17 |
| Electrical hand tool with a position adjustable battery pack App 20060113100 - Hsu; Chih-Hua ; et al. | 2006-06-01 |
| Cordless electric ratchet wrench Grant D508,387 - Hsu , et al. August 16, 2 | 2005-08-16 |
| Cordless ratchet wrench Grant 6,915,721 - Hsu , et al. July 12, 2 | 2005-07-12 |
| Cordless electric ratchet wrench Grant D506,375 - Hsu , et al. June 21, 2 | 2005-06-21 |
| Cordless Ratchet Wrench App 20050090216 - Hsu, Chih-Hua ; et al. | 2005-04-28 |
| Tool housing with protective pads Grant 6,860,342 - Wu , et al. March 1, 2 | 2005-03-01 |
| Adjustable housing for a hand tool Grant 6,817,424 - Su , et al. November 16, 2 | 2004-11-16 |
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