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. 28, 2026
Filed:
Aug. 13, 2020
Johnson Matthey Public Limited Company, London, GB;
Sabina Burmester, Royston, GB;
Thomas Hotchkiss, Royston, GB;
David Marvell, Royston, GB;
John Turner, Royston, GB;
Johnson Matthey Public Limited Company, London, GB;
Abstract
A method and apparatus () for treating a filter () for filtering particulate matter from exhaust gas. A reservoir () containing a dry powder () is provided. A vacuum generator () establishes a primary gas flow through a porous structure of the filter () by applying a pressure reduction to an outlet face of the filter (). A spray device () receives the dry powder () from a transport device () and sprays the dry powder () towards the inlet face of the filter (). A controller () is configured to control operation of at least the vacuum generator () and the spray device ().
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile