CHANG; Zhaohua
Patent Applications and Registrations
Patent applications and USPTO patent grants for CHANG; Zhaohua.The latest application filed is for "double-layer cryogenic inflatable balloon".
- CHANG; Zhaohua - Shanghai CN
- Chang; Zhaohua - Pudong New Area CN
- Chang; ZhaoHua - Poolesville MD
- Chang; ZhaoHua - Binghamton NY
| Patent | Date |
|---|---|
| Double-layer Cryogenic Inflatable Balloon App 20220273917 - YANG; Chi ; et al. | 2022-09-01 |
| Adjustable Cryoablation Needle App 20220160412 - YANG; Chi ; et al. | 2022-05-26 |
| Balloon Catheter And Ablation System App 20220110669 - CHANG; Zhaohua ; et al. | 2022-04-14 |
| Intervention medical device and preparation thereof Grant 9,226,994 - Li , et al. January 5, 2 | 2016-01-05 |
| Stent For A Bifurcated Vessel App 20130304191 - Cai; Xu ; et al. | 2013-11-14 |
| Intervention Medical Device And Preparation Thereof App 20130296806 - Li; Junfei ; et al. | 2013-11-07 |
| Radio Frequency Ablation System with Joule-Thomson Cooler App 20080154258 - Chang; Zhaohua ; et al. | 2008-06-26 |
| Cryosurgical instrument with vent means and method using same Grant 5,520,682 - Baust , et al. * May 28, 1 | 1996-05-28 |
| Cryogenic transport hose Grant 5,400,602 - Chang , et al. March 28, 1 | 1995-03-28 |
| Cryosurgical instrument with vent holes and method using same Grant 5,254,116 - Baust , et al. October 19, 1 | 1993-10-19 |
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