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. 10, 1993
Filed:
Jan. 30, 1992
Applicant:
Inventors:
Bayramali Demircan, Hattingen, DE;
Willy Kussel, Werne, DE;
Assignee:
Tiefenbach GmbH, Essen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21D / ;
U.S. Cl.
CPC ...
299-17 ; 299 32 ; 405302 ;
Abstract
A cutting machine for mining minerals from a seam thereof, the machine executing reciprocal movements parallel to the face of the seam and being provided with switches for generating signals indicative of the direction of movement of the machine for controlling the removal of protective bumpers on support structures located forwardly of the machine and for moving support structures against the face of the seam and relocating bumpers rearwardly of the machine.
Quick Actions:
Demircan, Bayramali. (1993). Cutting apparatus for mining operations with automatic control (U.S. Patent No. 5234256). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5234256
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