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. 17, 2009
Filed:
Nov. 04, 2005
David P. Serdynski, Waukesha, WI (US);
Boyd J. Miller, Mequon, WI (US);
Scott D. Bublitz, Hartland, WI (US);
Troy C. Thorson, Waukesha, WI (US);
Thomas R. Bednar, Pewaukee, WI (US);
David B. Griep, Rubicon, WI (US);
Nancy Uehlein-proctor, Nashotah, WI (US);
Dennis J. Grzybowski, New Berlin, WI (US);
Jeffrey S. Holly, Menomonee Falls, WI (US);
Jeffrey C. Hessenberger, Neosho, WI (US);
Mark A. Kubale, West Bend, WI (US);
Todd W. Johnson, Wauwatosa, WI (US);
Jonathan P. Lobert, Sussex, WI (US);
Jay J. Rosenbecker, Menomonee Falls, WI (US);
David P. Serdynski, Waukesha, WI (US);
Boyd J. Miller, Mequon, WI (US);
Scott D. Bublitz, Hartland, WI (US);
Troy C. Thorson, Waukesha, WI (US);
Thomas R. Bednar, Pewaukee, WI (US);
David B. Griep, Rubicon, WI (US);
Nancy Uehlein-Proctor, Nashotah, WI (US);
Dennis J. Grzybowski, New Berlin, WI (US);
Jeffrey S. Holly, Menomonee Falls, WI (US);
Jeffrey C. Hessenberger, Neosho, WI (US);
Mark A. Kubale, West Bend, WI (US);
Todd W. Johnson, Wauwatosa, WI (US);
Jonathan P. Lobert, Sussex, WI (US);
Jay J. Rosenbecker, Menomonee Falls, WI (US);
Milwaukee Electric Tool Corporation, Brookfield, WI (US);
Abstract
A battery pack for powering a cordless power tool. The battery pack includes at least one battery cell operable to supply a discharge current, a switch operable to control the discharge current and a protection device to protect the switch. The protection device is positioned such that the device absorbs a current traveling in a direction opposite to that of the discharge current supplied from the battery cell.