Featured patents

Battery Pack and Cordless Tool Using the Same
US 08579042 B2, Nov. 12, 2013, Katsuhiro Oomori et al. / Hitachi Koki Co., Ltd. (Tokyo, JP)
An electric device configured to be connectable to a first battery pack including…

Electric Tool Powered by a Plurality of Battery Packs and Adapter Therefor
US 08813866 B2, Aug. 26, 2014, Hitoshi Suzuki / Makita Corporation (Anjo-Shi, JP)
A hand-held electric power tool configured to be powered by at least a first…

Motor Control Device, Electric Power Tool, and Recording Medium
US 08616299 B2, Dec. 31, 2013, Yoshitaka Ichikawa / Makita Corporation (Anjo-Shi, JP)
A motor control device comprising:…

Portable Power Wrench With a Manually Operated Power Control Means
US 08857533 B2, Oct. 14, 2014, Hans Karl Johan Brodin / Atlas Copco Industrial Technique Aktiebolag (Stockholm, SE)
A portable power wrench comprising:…

Safety Device for Portable Tools With a Heat Engine, Capable of Stopping the Operation Thereof After Sudden, Violent Movements
US 08579041 B2, Nov. 12, 2013, Roger Pellenc / Pellenc (Societe Anonyme) (Pertuis, FR
An apparatus comprising:…

Safety Mechanism for a Rotary Hammer
US 08555997 B2, Oct. 15, 2013, David A. Carrier et al. / Black & Decker Inc. (Newark, US)
A method for initiating a protective response in a power tool having a rotary…

Voltage Sensing Drill With Automatic Shut-Off
US 08459372 B1, June 11, 2013, Wayne Branson Collins et al.
A hand-held power drill comprising a housing, a motor, a drill chuck connected…

Patentorg has 7 documents under Automatic Control of Power Operated Means Patents.

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