US Patent Issued to Majesty Holdings on Sept. 8 for "All-plastic combined press pump" (Chinese Inventors)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,728,435, issued on Sept. 8, was assigned to Majesty Holdings Co. Ltd. (Zhongshan, China).

"All-plastic combined press pump" was invented by Peihui Liang (Zhongshan, China), Maoyong Zhu (Zhongshan, China), Jinkao Liang (Zhongshan, China) and Yonglei Zhang (Zhongshan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An all-plastic combined press pump includes a lock bottle, a pump body and a locking cap capable of fixing the pump body on the lock bottle. A liquid storage chamber, a communication port communicated with the liquid storage chamber, a one-way valve, and a pumping assembly slidable up and down are disposed in the pump body. A press head fo...