Featured patents

Bit Holder and Base Part for Receiving a Bit Holder
US 08746807 B2, June 10, 2014, Clamped tooth holder or tooth mount, Guenter Haehn et al. / Wirtgen GmbH DE
A bit holder, comprising:…

Rotatable Grading Pick With Debris Clearing Feature
US 08727451 B2, May 20, 2014, Having a spring biased retainer, Kenneth Monyak et al. / Sandvik Intellectual Property AB (Sandviken, SE)
A tool and block assembly, comprising:…

Bit Arrangement for a Mining Plough, and Mining Plough for Plough Systems
US 08714659 B2, May 6, 2014, Planer, plow, or knife details, Diedrich Bettermann et al. / Caterpiller Global Mining Europe GmbH (Lunen, DE)
A bit arrangement for fastening to a plough-body element of a mining plough…

Cutting Device With Function of Changing Diameter in Small Range for Soft Rock Shield Machine
US 08696068 B2, April 15, 2014, Of rotary cutter with advance direction coincident or parallel to rotary axis, Yulian He et al. / China Rall Way Tunneling Equipment Co., Ltd. (Zhengzhou, Henan, CN)
A cutting device for a tunnel boring machine, comprising:…

Manhole Remover
US 08646847 B2, Feb. 11, 2014, Drum-type, Dennis Skraba et al. / Coneqtec Corp. (Wichita, US)
A manhole remover, comprising:…

Mining and Demolition Tool
US 08636325 B2, Jan. 28, 2014, Wear resistant feature for tool body, Gene Alter et al.
A mining tool comprising:…

Guidance System for a Mining Machine
US 08523287 B2, Sept. 3, 2013, Automatic Control; Signaling or Indicating, Charles Ashenhurst Bowles / Joy MM Delaware, Inc. (Wilmington, US)
A guidance system for mining a seam of material, the seam of material defining…

Core Breaker for a Mining Machine
US 08511757 B2, Aug. 20, 2013, Vertical cutter tooth orbit, Michael L. O'Neill / Joy MM Delaware, Inc. (Wilmington, US)
A core breaker positioned between cutting drums on a mining machine, the cutting…

Auxiliary Drive
US 08480181 B2, July 9, 2013, Drum-type, Peter Busley et al. / Wirtgen GmbH DE
A construction machine for the treatment of ground surfaces, comprising:…

Shank for an Attack Tool
US 08449040 B2, May 28, 2013, Wear resistant feature for tool body, Ronald B. Crockett et al.
An attack tool for connection to a holder that is attached to a driving…

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