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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.:

US 5449022 B1

PDFFull Text
Date of Patent:
Sep. 12, 1995

Filed:

Mar. 30, 1994

Hose arrangement for a sealess centrifuge having hoses comprised of

Applicant:
Inventors:

Friedrich Witthaus, St. Wendel, DE;

Carlo Lay, Saarwellingen, DE;

Wolfgang Biesel, Ottweiler, DE;

Assignee:

Fresenius, A.G., Bad Homburg, DE;

Attorneys:

Behr; Omri M.

McDonald; Matthew J.

Primary Examiner:

James E Bryant, III

Int. Cl.
CPC ...
F16L / ;
U.S. Cl.
CPC ...
138137 ; 138103 ; 138111 ; 494 42 ;
Abstract

Hose arrangement for a seal-less centrifuge having a soft inner layer and a hard outer layer and is formed by means of coextrusion.

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