Chang; Chih
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chang; Chih.The latest application filed is for "modified conductive structure and method for producing the same".
- Chang; Chih - New Taipei TW
- Chang; Chih - Xiamen CN
- CHANG; Chih - Taichung City TW
- CHANG; Chih - New Taipei City TW
- Chang; Chih - Fujian CN
- Chang; Chih - Torrance CA
| Patent | Date |
|---|---|
| Depressurizing device Grant 11,434,898 - Chang , et al. September 6, 2 | 2022-09-06 |
| Pump and valve combination for bladder adjustment Grant 11,375,823 - Chang , et al. July 5, 2 | 2022-07-05 |
| Pneumatic pump Grant 11,221,005 - Chang , et al. January 11, 2 | 2022-01-11 |
| Valve head structure for diaphragm pump and diaphragm pump having same Grant 10,859,080 - Chang December 8, 2 | 2020-12-08 |
| Modified Conductive Structure And Method For Producing The Same App 20200157360 - LIN; Hsin-Chieh ; et al. | 2020-05-21 |
| Pump And Valve Combination For Bladder Adjustment App 20200121094 - CHANG; Chih ; et al. | 2020-04-23 |
| Pump And Valve Combination For Bladder Adjustment App 20200100599 - CHANG; Chih ; et al. | 2020-04-02 |
| Depressurizing Device App 20200095988 - CHANG; Chih ; et al. | 2020-03-26 |
| Pneumatic Pump App 20200088219 - CHANG; Chih ; et al. | 2020-03-19 |
| Depressurizing device Grant 10,557,466 - Chang , et al. Feb | 2020-02-11 |
| Valve Head Structure For Diaphragm Pump And Diaphragm Pump Having Same App 20190136846 - Chang; Chih | 2019-05-09 |
| Diaphragm Pump App 20180320681 - Chang; Chih | 2018-11-08 |
| Depressurizing Device App 20170314549 - CHANG; Chih ; et al. | 2017-11-02 |
| Wound therapy device Grant D753,810 - Chang April 12, 2 | 2016-04-12 |
| Wound therapy device Grant D750,222 - Chang February 23, 2 | 2016-02-23 |
| Integrated multi-purpose getter for radio-frequency (RF) circuit modules Grant 7,315,069 - Tran , et al. January 1, 2 | 2008-01-01 |
| Integrated multi-purpose getter for radio-frequency (RF) circuit modules App 20060110299 - Tran; Dean ; et al. | 2006-05-25 |
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