ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,959, issued on Dec. 16, was assigned to HITACHI INDUSTRIAL EQUIPMENT SYSTEMS Co. LTD. (Tokyo).
"Gas compressor" was invented by Takehiro Matsuzaka (Tokyo) and Toshiaki Yabe (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "The gas compressor comprising a pre-filter for compressed air is placed at the compressed air intake of the enclosure for primary removal of dust, and an intake filter for further secondary removal of dust, at least one compressor body that draws in and compresses air a motor that drives the compressor body, air cooler cools compressed air, a cooling fan that passes cooling air to the air cooler, a cooling air intake that draw...