Trademark Overview
On Friday, September 19, 2025, a trademark application was filed for JOWINFLOW with the United States Patent and Trademark Office. The USPTO has given the JOWINFLOW trademark a serial number of 99401870. The federal status of this trademark filing is PUBLICATION/ISSUE REVIEW COMPLETE as of Monday, February 23, 2026. This trademark is owned by Wenzhou Shuangzhan Machinery Co., Ltd.. The JOWINFLOW trademark is filed in the Metal Products category with the following description:
Valves of metal, other than parts of machines; Hoppers of metal, non-mechanical; Penstock pipes of metal; Valves of metal other than parts of machines including those from alloy steel and titanium; Stainless steel strainers used in the commercial preparation of foods, beverages, dairy products, pharmaceuticals and drugs; Manually operated metal valves; Metal valves not being parts of machines; Metal storage drums; Metal pipe connectors; Metal pipe collars; Metal hoses for plumbing use; Stainless steels; Metal tubes; Fittings of metal for pipes; Water-pipe valves of metal
