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. 27, 2026
Filed:
Dec. 27, 2021
Ulvac Cryogenics Incorporated, Chigasaki, JP;
Akira Hiratsuka, Chigasaki, JP;
Kohei Yoshino, Chigasaki, JP;
Masayuki Furukawa, Chigasaki, JP;
Toshio Harayama, Chigasaki, JP;
Ulvac Cryogenics Incorporated, Chigasaki, JP;
Abstract
A compressor oil separator installed in a cryogenic refrigerator compressor includes a first tube that extends in a vertical direction. The first tube includes a first communication portion that connects an inside of the first tube to an outside of the first tube. The compressor oil separator also includes a delivery pipe that extends in the vertical direction and is configured to deliver refrigerant, including oil, to the inside of the first tube. The compressor oil separator also includes a filter located between the first tube and the delivery pipe in a cross section intersecting the vertical direction. The delivery pipe includes a delivery port that delivers the refrigerant to the inside of the first tube, the delivery port being located downward from a middle part of the first tube in the vertical direction.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile