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.

Date of Patent:
Jan. 25, 1977

Filed:

Feb. 04, 1975
Applicant:
Inventors:

Hans Stern, deceased, LATE OF Dortmund-Hochsten, DT;

Werner Strauss, Bochum, DT;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F15D / ; F16L / ; B04C / ; B07B / ;
U.S. Cl.
CPC ...
138177 ; 291835 ; 291935 ; 138 37 ; 138 39 ; 138178 ;
Abstract

Wear members in separators, cyclones, pipelines and similar apparatus, which are abrasively worn by a particle-conducting flow, said wear members having increased durability as a result of increased surface roughness.


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