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:
Nov. 19, 2019
Filed:
Apr. 04, 2018
Randy C Tolman, Spring, TX (US);
Michael C. Romer, The Woodlands, TX (US);
Randy C Tolman, Spring, TX (US);
Michael C. Romer, The Woodlands, TX (US);
ExxonMobil Upstream Research Company, Spring, TX (US);
Abstract
A nested bellows pump including a housing having a first end and a second end, the housing having a cylindrical body, the cylindrical body having an inner wall; a traveling bulkhead, the traveling bulkhead sealingly positionable along the inner wall of the cylindrical body; a first inner bellows, the first inner bellows connected to the housing, and the second bellows is connected to the traveling bulkhead; a second inner bellows connected to the traveling bulkhead, and the second end of the second inner bellows is connected to the housing; a first outer bellows connected to the housing, and the second end of the first outer bellows is connected to the traveling bulkhead; and a second outer bellows connected to the traveling bulkhead, and the second end of the second outer bellows is connected to the second end of the housing.