Xu; Qihua
Patent Applications and Registrations
Patent applications and USPTO patent grants for Xu; Qihua.The latest application filed is for "gel pad assembly using free rotatable fluid joints".
- Xu; Qihua - Cary NC
- Xu; Qihua - Zhuhai CN
- Xu; Qihua - Grand Rapids MI
- Xu; Qihua - Holland MI
| Patent | Date |
|---|---|
| Gel Pad Assembly Using Free Rotatable Fluid Joints App 20220265468 - Xu; Qihua ; et al. | 2022-08-25 |
| Biological fluid separation device Grant 11,344,851 - Xu , et al. May 31, 2 | 2022-05-31 |
| Filtration cell and method for filtering a biological sample Grant 11,344,849 - Xu , et al. May 31, 2 | 2022-05-31 |
| Biological fluid separation device Grant 11,305,241 - Xu , et al. April 19, 2 | 2022-04-19 |
| Methods And Apparatus To Selectively Extract Constituents From Biological Samples App 20220074831 - Xu; Qihua ; et al. | 2022-03-10 |
| Biological Fluid Separation Device App 20210378567 - Weidemaier; Kristin ; et al. | 2021-12-09 |
| Overload protection device and method, storage medium, compressor and electric appliance Grant 11,063,420 - Xu , et al. July 13, 2 | 2021-07-13 |
| Time-of-use activated syringe stopper Grant 10,835,681 - Shermer , et al. November 17, 2 | 2020-11-17 |
| Biological fluid separation device Grant 10,709,370 - Xu , et al. | 2020-07-14 |
| Overload Protection Device and Method, Storage Medium, Compressor and Electric Appliance App 20200136368 - Xu; Qihua ; et al. | 2020-04-30 |
| Biological Fluid Separation Device App 20200047134 - Xu; Qihua ; et al. | 2020-02-13 |
| Plasma extractor Grant 10,549,242 - Xu , et al. Fe | 2020-02-04 |
| Biological fluid separation device Grant 10,493,409 - Xu , et al. De | 2019-12-03 |
| Filtration Cell and Method for Filtering a Biological Sample App 20180071689 - Xu; Qihua ; et al. | 2018-03-15 |
| Plasma Extractor App 20180056243 - Xu; Qihua ; et al. | 2018-03-01 |
| Time-of-Use Activated Syringe Stopper App 20180056006 - Shermer; Charles D. ; et al. | 2018-03-01 |
| Biological Fluid Separation Device App 20170354362 - Xu; Qihua ; et al. | 2017-12-14 |
| Biological Fluid Separation Device App 20170252706 - Xu; Qihua ; et al. | 2017-09-07 |
| Hermetically Sealed Paperboard Container App 20120298733 - Xu; Qihua ; et al. | 2012-11-29 |
| Biodegradable Packaging Materials With Enhanced Oxygen Barrier Performance App 20110135912 - Xu; Qihua | 2011-06-09 |
| Process for preparing chrome surface for coating Grant 7,597,935 - Xu , et al. October 6, 2 | 2009-10-06 |
| Method and composition for metallic finishes Grant 6,749,946 - Xu June 15, 2 | 2004-06-15 |
| Process for preparing chrome surface for coating App 20030205481 - Xu, Qihua ; et al. | 2003-11-06 |
| Vehicular window assembly Grant 6,293,609 - Xu , et al. September 25, 2 | 2001-09-25 |
| Vehicular window assembly Grant 6,089,646 - Xu , et al. July 18, 2 | 2000-07-18 |
| Vehicular window assembly Grant 6,086,138 - Xu , et al. July 11, 2 | 2000-07-11 |
uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.
While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.
All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.
| 