US Patent Issued to Nanjing Chervon Industry on June 2 for "Chainsaw and methods for determining and releasing a jammed state of the chainsaw" (Chinese Inventors)

ALEXANDRIA, Va., June 2 -- United States Patent no. 12,643,256, issued on June 2, was assigned to Nanjing Chervon Industry Co. Ltd. (Nanjing, China).

"Chainsaw and methods for determining and releasing a jammed state of the chainsaw" was invented by Zhen Xu (Nanjing, China), Kai Hu (Nanjing, China), Huaishu Wang (Nanjing, China), Junya Duan (Nanjing, China), Huaguo Zhu (Nanjing, China) and Minggui Xiao (Nanjing, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A chainsaw includes a chain, a liquid pump assembly, a motor, and a controller. The chain is used for implementing a cutting operation. The liquid pump assembly includes a liquid pump and a motor. The liquid pump is used for releasing a liquid for ...