ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,495,937, issued on Dec. 16, was assigned to FANER AROMA PRODUCT Co. LTD. (Guangdong, China).

"Underneath large-capacity single-gas-pump foam generating device" was invented by Hsu-hui Chang (Guangdong, China), Senlin Yang (Guangdong, China), Siying Feng (Guangdong, China), Songwen Ye (Guangdong, China) and Yongfu Huang (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An underneath large-capacity single-gas-pump foam generating device includes a liquid replenishment mechanism and a foam generating mechanism. The liquid replenishment mechanism includes a liquid replenishment groove and a liquid replenishment bottle. The liquid replenishmen...