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:
Jul. 21, 1987
Filed:
May. 07, 1986
Applicant:
Inventors:
Otto Heinemann, Ennigerloh, DE;
Heinz-Herbert Schmits, Rheda-Wiedenbruck, DE;
Assignee:
Krupp Polysius AG, Beckum, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01L / ; F15B / ;
U.S. Cl.
CPC ...
91178 ; 91325 ; 91401 ; 91410 ; 91520 ; 60579 ; 60581 ;
Abstract
A driving apparatus for producing a to-and-fro movement and having four plunger cylinders and four external non-return valves. Such driving apparatus is distinguished by a particularly simple construction.