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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.:

US 11851829 B1

PDFFull Text
Date of Patent:
Dec. 26, 2023

Filed:

Nov. 19, 2020

Earth working machine having a dust extraction system with selectable filtration of the extracted dust-laden air

Applicant:

Wirtgen Gmbh, Windhagen, DE;

Inventors:

Christian Berning, Zülpich, DE;

Stephan Drumm, Vettelschoß, DE;

Assignee:

Wirtgen GmbH;

Attorneys:

Lucian Wayne Beavers

Patterson Intellectual Property Law, PC

Primary Examiner:

Robert Clemente

Int. Cl.
CPC ...
E01C 23/088 (2006.01); B01D 46/00 (2022.01); B01D 46/24 (2006.01); B01D 46/44 (2006.01); B01D 46/52 (2006.01); E01C 23/12 (2006.01); B01D 46/58 (2022.01);
U.S. Cl.
CPC ...
E01C 23/088 (2013.01); B01D 46/0002 (2013.01); B01D 46/0087 (2013.01); B01D 46/2403 (2013.01); B01D 46/44 (2013.01); B01D 46/521 (2013.01); B01D 46/58 (2022.01); E01C 23/127 (2013.01); B01D 2271/02 (2013.01); B01D 2279/40 (2013.01);
Abstract

A self-propelled earth working machine (), for example a road milling machine, recycler, or surface miner, includes: the extraction device () comprising a filter apparatus () arranged along an operational flow path from the at least one extraction location () to the discharge location (), the filter apparatus () encompassing: The filter apparatus () comprises a bypass valve () shiftable between two different operating positions, such that a filtering operating position connects the at least one extraction location () to the exhaust location () with passage through the filter element (); and a bypass operating position connects the at least one extraction location () to the exhaust location () while bypassing the filter element ().

Find Patent Forward Citations

Berning, Christian. (2023). Earth working machine having a dust extraction system with selectable filtration of the extracted dust-laden air (U.S. Patent No. 11851829). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11851829

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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