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:
Jan. 09, 2024
Filed:
Apr. 03, 2019
Merck Patent Gmbh, Darmstadt, DE;
Didier Metz, Stotzheim, FR;
Marisa Hohnadel, Bischheim, FR;
MERCK PATENT GMBH, Darmstadt, DE;
Abstract
Filtration head () for a filter system, comprising base () including filter support () for removable filter element () and a fluid path from one side of filter element () on filter support (), through filter element (), and to drainage outlet () of base (), and holder device () for removably attaching funnel () to base () to form a sample fluid reservoir on one side of filter element (), wherein holder device () comprises ring-shaped element () configured to extend about bottom peripheral flange () surrounding a lower end of funnel () and to selectively apply a biasing force on a radially outward protruding portion () of bottom peripheral flange () of funnel () to press funnel () against base (). The filtration head allows the use of cardboard funnels without risk of liquid leakage between the funnel and the base.