MA; Hongfei
Patent Applications and Registrations
Patent applications and USPTO patent grants for MA; Hongfei.The latest application filed is for "water heater, and scale detection system and method".
- MA; Hongfei - Nanjing CN
- Ma; Hongfei - Vancouver CA
| Patent | Date |
|---|---|
| Water Heater, And Scale Detection System And Method App 20220187065 - CHEN; Tao ; et al. | 2022-06-16 |
| Low NO.sub.x burner for a water heater Grant 9,587,854 - Cheng , et al. March 7, 2 | 2017-03-07 |
| Low Nox Burner For A Water Heater App 20160061491 - Cheng; Yonghua ; et al. | 2016-03-03 |
| Low NO.sub.x burner for a water heater Grant 9,212,817 - Cheng , et al. December 15, 2 | 2015-12-15 |
| Low Nox Burner For A Water Heater App 20130247844 - Cheng; Yonghua ; et al. | 2013-09-26 |
| Water heater Grant 8,161,918 - Ma , et al. April 24, 2 | 2012-04-24 |
| Water Heater App 20100043728 - Ma; Hongfei ; et al. | 2010-02-25 |
| Anti-compression techniques for visual images Grant 7,280,689 - Bilobrov , et al. October 9, 2 | 2007-10-09 |
| Anti-compression techniques for visual images App 20040005077 - Bilobrov, Sergiy ; et al. | 2004-01-08 |
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.
| 