The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 13, 2026
Filed:
Jun. 14, 2024
Vrb Energy Inc., Grand Cayman, KY;
Dehao Wang, Beijing, CN;
Shuai Dong, Beijing, CN;
Zhiwei Duan, Beijing, CN;
Yongkai Han, Beijing, CN;
Hedi MA, Beijing, CN;
Huichao Liu, Beijing, CN;
Qiming Ge, Beijing, CN;
VRB Energy Inc., , KY;
Abstract
Disclosed in the present utility model is a device for testing gas tightness of a bipolar plate. The device includes a fixing assembly and a liquid placing plate. The fixing assembly includes a base plate and a cover plate. The base plate and the cover plate are arranged opposite to each other, and a test space capable of accommodating a bipolar plate is formed between the base plate and the cover plate. The base plate or the cover plate is provided with a gas inlet for gas to enter the test space. The liquid placing plate is arranged in the test space and arranged to be stacked on the plate surface of the bipolar plate facing away from the gas inlet. The liquid placing plate is provided with a plurality of liquid placing recesses capable of containing liquid. The liquid placing recesses pass through opposite plate surfaces of the liquid placing plate.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile