Perkins; Bruce
Patent Applications and Registrations
Patent applications and USPTO patent grants for Perkins; Bruce.The latest application filed is for "mobile device access badges".
- Perkins; Bruce - Austin TX
- Perkins; Bruce - Carrollton TX
- Perkins; Bruce - US
| Patent | Date |
|---|---|
| Mobile device access badges Grant 11,423,726 - Cowles , et al. August 23, 2 | 2022-08-23 |
| Mobile Device Access Badges App 20210335074 - Cowles; David ; et al. | 2021-10-28 |
| Method for solving charge imbalance in existing split heat pump Grant 10,775,070 - Brizendine , et al. Sept | 2020-09-15 |
| Defrost operation management in heat pumps Grant 10,295,244 - Qu , et al. | 2019-05-21 |
| Method for Solving Charge Imbalance in Existing Split Heat Pump App 20180372354 - Brizendine; Tim ; et al. | 2018-12-27 |
| Defrost Operation Management in Heat Pumps App 20180306485 - Qu; Yi ; et al. | 2018-10-25 |
| Heat pump comprising primary defrost operation and secondary defrost operation and method of operating heat pump Grant 10,041,721 - Qu , et al. August 7, 2 | 2018-08-07 |
| Defrost operation management in heat pumps Grant 10,018,400 - Qu , et al. July 10, 2 | 2018-07-10 |
| Defrost Operation Management In Heat Pumps App 20150047375 - Qu; Yi ; et al. | 2015-02-19 |
| Secondary Defrost for Heat Pumps App 20140150479 - Qu; Yi ; et al. | 2014-06-05 |
| Heat pump control system using passive defrost Grant 8,549,867 - Crawford , et al. October 8, 2 | 2013-10-08 |
| Heat Pump Control System Using Passive Defrost App 20110100041 - Crawford; Carl T. ; et al. | 2011-05-05 |
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.
| 