Welch; John L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Welch; John L..The latest application filed is for "process for reducing 3,3,3-trifluoropropyne in 2,3,3,3-tetrafluoropropene".
- Welch; John L. - Williamsville NY
- Welch; John L. - Buffalo NY
Trademarks
| Patent | Date |
|---|---|
| Process for reducing 3,3,3-trifluoropropyne in 2,3,3,3-tetrafluoropropene Grant 10,913,697 - Wang , et al. February 9, 2 | 2021-02-09 |
| Process For Reducing 3,3,3-trifluoropropyne In 2,3,3,3-tetrafluoropropene App 20200055804 - Wang; Haiyou ; et al. | 2020-02-20 |
| Use Of Low Gwp Refrigerants Comprising Cf3i With Stable Lubricants App 20180171195 - Thomas; Raymond H. ; et al. | 2018-06-21 |
| Use of low GWP refrigerants comprising CF.sub.3I with stable lubricants Grant 9,920,230 - Thomas , et al. March 20, 2 | 2018-03-20 |
| Sesquiterpene stabilized compositions Grant 8,133,407 - Zyhowski , et al. March 13, 2 | 2012-03-13 |
| Use Of Low Gwp Refrigerants Comprising Cf3i With Stable Lubricants App 20110126558 - THOMAS; RAYMOND H. ; et al. | 2011-06-02 |
| Sesquiterpene Stabilized Compositions App 20090283712 - Zyhowski; Gary ; et al. | 2009-11-19 |
| Fluorocarbon Stabilizers App 20080157023 - Samuels; George J. ; et al. | 2008-07-03 |
| Iodine And Iodide Removal Method App 20080116417 - Samuels; George J. ; et al. | 2008-05-22 |
| Iodine Removal With Activated Carbon App 20080110833 - Samuels; George J. ; et al. | 2008-05-15 |
| Heat Transfer Compositions With A Hydrofluoroalkene, An Iodocarbon And Additives App 20080111099 - Singh; Rajiv R. ; et al. | 2008-05-15 |
| Use Of Low Gwp Refrigerants Comprising Cf3i With Stable Lubricants App 20080111100 - THOMAS; RAYMOND H. ; et al. | 2008-05-15 |
| Method for regulating water concentration in a process stream Grant 6,858,198 - Francisco , et al. February 22, 2 | 2005-02-22 |
| Method for regulating water concentration in a process stream App 20020155057 - Francisco, Troy W. ; et al. | 2002-10-24 |
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.
| 