Wirtgen GmbH

Patent No. 7,597,402 Issued on Oct. 6, Assigned to Wirtgen for Tool Holder (German Inventors)
US Fed News Service, Including US State News; 10/9/2009; 439 words; ...tool box. The inventors were issued U.S. Patent No. 7,597,402 on Oct. 6. The patent has been assigned to Wirtgen GmbH, Windhagen, Germany. According to the abstract released by the U.S. Patent & Trademark Office: "A tool...

Publication No. WO/2009/098294 Published on Aug. 13, Assigned to Wirtgen for Milling Machine, Mining Method (German Inventors)
US Fed News Service, Including US State News; 8/18/2009; 495 words; ...particular surface miner, and method for mining milled material of an open cast surface. The patent has been assigned to Wirtgen GmbH, Windhagen, Germany. According to an abstract posted by the World Intellectual Property Organization, the invention...

Kleemann Inc., USA.
Pit & Quarry; 12/1/2008; 1208 words; ...delivery in North America in coming months. Wirtgen Mineral Technologies' operating company Kleemann GmbH has begun construction of a new headquarters...Germany in 1857, Kleemann was acquired by Wirtgen Group in 2006. Today, a growing network...

German Inventors Develop Scraper Device
US Fed News Service, Including US State News; 10/23/2008; 531 words; ...guides." The inventors were issued U.S. Patent No. 7,438,364 on Oct. 21. The patent has been assigned to Wirtgen GmbH, Windhagen, Germany. The original application was filed on Dec. 5, 2006, and is available at: http://patft...

German Inventors Develop Road Milling Machine
US Fed News Service, Including US State News; 9/9/2008; 464 words; ...optimized." The inventors were issued U.S. Patent No. 7,422,391 on Sept. 9. The patent has been assigned to Wirtgen GmbH, Windhagen, Germany. The original application was filed on Oct. 18, 2002, and is available at: http://patft...