Trademark Overview
On Monday, September 15, 2025, a trademark application was filed for LIFENGAS with the United States Patent and Trademark Office. The USPTO has given the LIFENGAS trademark a serial number of 99393672. The federal status of this trademark filing is APPROVED FOR PUBLICATION as of Monday, May 18, 2026. This trademark is owned by Shanghai Lianfeng Gas Co., Ltd.. The LIFENGAS trademark is filed in the Machinery Products category with the following description:
Gas separation equipment, namely, gas separators; Electrolytic gas machine, namely, machines for manufacturing gases using electrolysis; Oxygen and nitrogen production equipment, namely, machines for manufacturing oxygen and nitrogen; Rare gas extraction equipment, namely, extraction machines for rare gas; Gas liquefaction equipment, namely, machines for liquefaction of gas; Carbon dioxide production equipment, namely, machines for manufacturing carbon dioxide; Hydrogen and oxygen equipment from electrolyzed water, namely, electrolysis machines for generating hydrogen and oxygen; Sulfuric acid manufacturing equipment; Soda ash manufacturing equipment; Petrochemical equipment, namely, industrial chemical reactors for petrochemicals
