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:
Jun. 02, 2026
Filed:
Feb. 24, 2023
Endress+hauser Wetzer Gmbh+co. KG, Nesselwang, DE;
Endress+Hauser Wetzer GmbH+Co. KG, Nesselwang, DE;
Abstract
The present disclosure includes a protective tube for insertion into a pipe or vessel containing a medium, a measuring apparatus having such protective tube and to a method for producing the protective tube. The protective tube comprises a tubular member having a bore extending between an upper and lower end of the tubular member, and at least one helical fin formed on at least a section of an outer surface of the tubular member, winding around the outer surface of the tubular member and defining a flow channel along at least a part of the tubular member. An outer surface of the tubular member comprises a surface structure in an area of the at least one flow channel.