Liu; Tien-Kao
Patent Applications and Registrations
Patent applications and USPTO patent grants for Liu; Tien-Kao.The latest application filed is for "core replaceable hockey lock".
- Liu; Tien-Kao - Pingtung County TW
- LIU; TIEN-KAO - PINGTUNG COUNTY 912 TW
- Liu; Tien-Kao - Pingung County TW
- Liu; Tien Kao - Pin Tong City TW
| Patent | Date |
|---|---|
| Lock with a long-travel deadbolt Grant 11,408,207 - Liu August 9, 2 | 2022-08-09 |
| Lock with replaceable modules Grant 11,384,569 - Liu July 12, 2 | 2022-07-12 |
| Lock with a roller deadbolt Grant 11,261,619 - Liu March 1, 2 | 2022-03-01 |
| Lock with emergency unlocking feature Grant 11,124,993 - Liu September 21, 2 | 2021-09-21 |
| Core replaceable hockey lock Grant 10,934,745 - Liu March 2, 2 | 2021-03-02 |
| Core Replaceable Hockey Lock App 20200224459 - LIU; TIEN-KAO | 2020-07-16 |
| Lock With Replaceable Modules App 20200157848 - LIU; TIEN-KAO | 2020-05-21 |
| Lock With A Long-travel Deadbolt App 20200157847 - LIU; TIEN-KAO | 2020-05-21 |
| Lock With A Roller Deadbolt App 20200157843 - Liu; Tien-Kao | 2020-05-21 |
| Lock With Emergency Unlocking Feature App 20200157850 - LIU; TIEN-KAO | 2020-05-21 |
| Combination lock assembly Grant 9,683,390 - Liu June 20, 2 | 2017-06-20 |
| Lock with a slide for covering lock core and positioning device for the slide Grant 9,631,398 - Liu April 25, 2 | 2017-04-25 |
| Lock with a slide for covering lock core Grant 9,587,416 - Liu March 7, 2 | 2017-03-07 |
| Padlock with non-conductive parts Grant 9,464,462 - Liu October 11, 2 | 2016-10-11 |
| Water-dust-proof Case For Lock App 20160002958 - LIU; TIEN-KAO | 2016-01-07 |
| Package for lock and key Grant 9,169,051 - Liu October 27, 2 | 2015-10-27 |
| Package For Lock And Key App 20150129458 - LIU; TIEN-KAO | 2015-05-14 |
| Core replaceable hockey lock Grant 8,919,156 - Liu December 30, 2 | 2014-12-30 |
| Lock with replaceable shackle Grant 8,904,833 - Liu December 9, 2 | 2014-12-09 |
| Lock with replaceable bottom pins Grant 8,707,746 - Liu April 29, 2 | 2014-04-29 |
| Anti-break lock Grant 8,650,919 - Liu February 18, 2 | 2014-02-18 |
| Deadlocking drawer lock Grant 8,601,839 - Liu December 10, 2 | 2013-12-10 |
| Anti-break Lock App 20130312467 - LIU; TIEN-KAO | 2013-11-28 |
| High Security Lock Core Structure App 20130276492 - LIU; TIEN-KAO | 2013-10-24 |
| High Security Lock Core Structure App 20120192603 - Liu; Tien Kao | 2012-08-02 |
| Drawer lock set Grant 7,836,735 - Liu November 23, 2 | 2010-11-23 |
| Anti-theft lock App 20100180650 - Liu; Tien-Kao | 2010-07-22 |
| Drawer lock set App 20100170309 - Liu; Tien-Kao | 2010-07-08 |
| Vandal-resistant combination padlock Grant 7,536,883 - Liu May 26, 2 | 2009-05-26 |
| Weather/proof padlock Grant D408,262 - Liu April 20, 1 | 1999-04-20 |
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