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:
Feb. 15, 2011
Filed:
Sep. 29, 2006
Erik Ekstrom, Woodstock, MD (US);
Craig A. Schell, Baltimore, MD (US);
William Kalbfleisch, Owings Mills, MD (US);
Eric L. Bernstein, Baltimore, MD (US);
Erik Ekstrom, Woodstock, MD (US);
Craig A. Schell, Baltimore, MD (US);
William Kalbfleisch, Owings Mills, MD (US);
Eric L. Bernstein, Baltimore, MD (US);
Black & Decker Inc., Newark, DE (US);
Abstract
A filtration system for a gas powered concrete saw allows the user to inspect and/or determine how much dust is accumulated in the filter. In addition, manual filter cleaners are provided to allow the user to easily clean the filter without needing to open up the tool. In addition, the system is provided to deactivate the tool or notify the user if no filter is being utilized, or the filter is damaged. The system can also provide system lock out in the case of a missing or damaged filter. In addition, automatic methods are also provided to allow cleaning of the filter.