loadpatents
Patent applications and USPTO patent grants for L'Air Liquide Societe Anonyme, a Directoire et Conseil de Surveillance pour.The latest application filed is for "oxygen arc cutting with plasma pre-heating of ferrous materials, such as structural steel workpieces".
Patent | Date |
---|---|
Oxygen arc cutting with plasma pre-heating of ferrous materials, such as structural steel workpieces Grant 6,469,274 - Delzenne , et al. October 22, 2 | 2002-10-22 |
Adsorption unit with pressure modulation Grant 6,447,582 - de Souza September 10, 2 | 2002-09-10 |
Semiconductor processing system and method for controlling moisture level therein Grant 6,442,736 - Girard , et al. August 27, 2 | 2002-08-27 |
Process and plant for the preparation and delivery of ozonated water to a user point Grant 6,428,710 - Kempen , et al. August 6, 2 | 2002-08-06 |
Adsorbent with a high macroporosity, usable in a gas adsorption process, especially a PSA process Grant 6,423,658 - Thonnelier , et al. July 23, 2 | 2002-07-23 |
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.