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:
Mar. 20, 2001
Filed:
Mar. 12, 1999
Applicant:
Inventors:
Assignee:
Tamrock Voest-Alpine Bergtechnik Gesellschaft m.b.H., Zeltweg, AT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 2/1015 ;
U.S. Cl.
CPC ...
E21B 2/1015 ;
Abstract
A device for sucking off drillings during the drilling of boreholes, comprising a suction fan (,) and a filter (,) as well as an opening closeable by a lid for emptying the drillings reception space (,) preceding the filter (,), in which, for the simple cleaning of the filter (,), the lid (,) is connected with a vibrating mechanism for the filter (,).
Schaffer, Kurt. (2001). Device having a filter, a filter vibrating means and a scraper used for sucking off drillings (U.S. Patent No. 6202765). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6202765
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile