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:
Aug. 05, 2014
Filed:
Sep. 28, 2010
Applicant:
Peter Wagner, Werdohl, DE;
Inventor:
Peter Wagner, Werdohl, DE;
Assignee:
Brinkmann Pumpen K.H. Brinkmann GmbH & Co. KG, Werdohl, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01C 21/00 (2006.01); F03C 2/00 (2006.01); F03C 4/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A screw spindle machine having a tubular casing () that is made of cast metal and is lined with a wear resistant layer (), with the wear resistant layer () being encapsulated in a steel shell () that matches the outer peripheral shape of the layer ().