Patent applications and USPTO patent grants for Yan; Jianwen.The latest application filed is for "photoelectric coal and gangue sorting device and sorting method therefor".
Patent | Date |
---|---|
Photoelectric coal and gangue sorting device and sorting method therefor Grant 11,453,032 - Guo , et al. September 27, 2 | 2022-09-27 |
Photoelectric Coal and Gangue Sorting Device and Sorting Method Therefor App 20220234077 - GUO; Yongcun ;   et al. | 2022-07-28 |
Nanofriction power generation device with spiral vibrating balls and buoy body thereof Grant 10,673,356 - Zhai , et al. | 2020-06-02 |
Nanofriction Power Generation Device With Spiral Vibrating Balls And Buoy Body Thereof App 20190238068 - ZHAI; Hua ;   et al. | 2019-08-01 |
Method and system for determining maintenance policy of complex forming device Grant 10,318,931 - Zhang , et al. | 2019-06-11 |
Method And System For Determining Maintenance Policy Of Complex Forming Device App 20190095876 - ZHANG; Qiang ;   et al. | 2019-03-28 |
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.