Qin; Fugen
Patent Applications and Registrations
Patent applications and USPTO patent grants for Qin; Fugen.The latest application filed is for "multi-port charger".
- Qin; Fugen - Timonium MD
- Qin; Fugen - Lutherville Timonium MD US
- Qin; Fugen - Baltimore MD
| Patent | Date |
|---|---|
| Cordless power tool system Grant 11,211,664 - Barton , et al. December 28, 2 | 2021-12-28 |
| Multi-port charger Grant 11,056,895 - Qin , et al. July 6, 2 | 2021-07-06 |
| Multi-Port Charger App 20190372365 - Qin; Fugen ; et al. | 2019-12-05 |
| Cordless Power Tool System App 20190312242 - BARTON; Luke R. ; et al. | 2019-10-10 |
| Power Tool Having Multiple Operating Modes App 20180318999 - LOVELASS; Shaun ; et al. | 2018-11-08 |
| Power Tool With Automatic Chuck App 20160114408 - CAMPBELL; David C. ; et al. | 2016-04-28 |
| Power tool with automatic chuck Grant 9,259,790 - Campbell , et al. February 16, 2 | 2016-02-16 |
| Charge control scheme for use in power tools Grant 8,692,509 - Shook , et al. April 8, 2 | 2014-04-08 |
| Power Tool Having Multiple Operating Modes App 20130327552 - Lovelass; Shaun ; et al. | 2013-12-12 |
| Power Tool With Automatic Chuck App 20130277923 - Campbell; David C. ; et al. | 2013-10-24 |
| Power screwdriver having rotary input control Grant 8,418,778 - Eshleman , et al. April 16, 2 | 2013-04-16 |
| Cell Monitoring And Balancing App 20130038293 - Seman, JR.; Andrew E. ; et al. | 2013-02-14 |
| Charge Control Scheme For Use In Power Tools App 20120326670 - Shook; Christopher W. ; et al. | 2012-12-27 |
| Battery pack identification system Grant 8,319,475 - Choksi , et al. November 27, 2 | 2012-11-27 |
| Cell monitoring and balancing Grant 8,274,261 - Seman, Jr. , et al. September 25, 2 | 2012-09-25 |
| Signal for pre-charge selection in lithium charging and discharge control/pre-charge function Grant 8,154,248 - Cruise , et al. April 10, 2 | 2012-04-10 |
| One wire boot loader Grant 7,953,965 - Qin , et al. May 31, 2 | 2011-05-31 |
| Rechargeable battery pack and operating system Grant 7,941,865 - Seman, Jr. , et al. May 10, 2 | 2011-05-10 |
| Signal For Pre-charge Selection In Lithium Charging And Discharge Control/pre-charge Function App 20100085012 - Cruise; Nathan ; et al. | 2010-04-08 |
| Rechargeable Battery Pack for Power Tools App 20090208819 - Cruise; Nathan ; et al. | 2009-08-20 |
| Cell Monitoring And Balancing App 20090015206 - Seman, JR.; Andrew E. ; et al. | 2009-01-15 |
| One wire boot loader App 20080313452 - Qin; Fugen ; et al. | 2008-12-18 |
| Battery pack identification system App 20080309285 - Choksi; Snehal ; et al. | 2008-12-18 |
| Rechargeable Battery Pack And Operating System App 20080037779 - Seman; Andrew E. JR. ; et al. | 2008-02-14 |
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