Featured patents

Fastening Tool With an Internal Combustion Engine With a Unique Opening and Closing Chamber Abutment
US 08800681 B2, Aug. 12, 2014, Reciprocatory drive and advance originate from same mechanical element, Ludovic Rousson et al. / Societe de Prospection et d'Inventions Techniques Spit (Bourg les Valence, FR)
A device, comprising:…

Mounting Assembly for Handle for Power Tool
US 08708059 B2, April 29, 2014, Handle type holder, Norbert Hahn et al. / Black & Decker Inc. (Newark, US)
A mounting assembly for moveably mounting a handle of a power tool to a housing…

Rotary Impact Tool
US 08678106 B2, March 25, 2014, Drive means responsive to torque or speed condition, Katsuna Hayashi et al. / Makita Corporation (Anjo-shi, JP)
A rotary impact tool for use with a motor, comprising:…

Battery Pack and Motor-Driven Tool Using the Same
US 08684106 B2, April 1, 2014, Electric motor, Hiroyuki Hanawa et al. / Hitachi Koki Co., Ltd. (Tokyo, JP)
A battery pack 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, Automatic Control of Power Operated Means, Roger Pellenc / Pellenc (Societe Anonyme) (Pertuis, FR
An apparatus comprising:…

Beat Piece Wear Indicator for Powered Hammer
US 08590633 B2, Nov. 26, 2013, Pulsation caused by mechanical movement, Ulrich Berghauser et al. / Black & Decker Inc. (Newark, US)
A powered hammer and tool comprising:…

Modularized Ultrasonic Vibration Machining Apparatus
US 08522893 B2, Sept. 3, 2013, With means for rotating tool, Zhong-Yi Yang et al. / Metal Industries Research & Development Centre (Kaohsiung, TW)
A tool holder module, comprising:…

Preloaded Drop Hammer for Driving Piles
US 08496072 B2, July 30, 2013, Processes, John L. White / American Piledriving Equipment, Inc. (Kent, US)
A drop hammer for driving a pile comprising:…

Rock Drilling Device and Rock Drilling Rig or Rock Bolting Rig Comprising Such Device
US 08490716 B2, July 23, 2013, Pivoted, Sven-Olov Nyström / Atlas Copco Rock Drills AB (Orebro, SE)
Boom arrangement for use in a mining or construction machine, comprising a first…

Hand-Held Power Tool
US 08443912 B2, May 21, 2013, Handle type holder, Roland Meuer et al. / Hilti Aktiengesellschaft (Schaan, LI)
A hand-held power tool, comprising:…

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