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Railways: surface track November recently filed with US Patent Office 11/12

20120298765 - Screw anchor for rail attachments: The invention relates to a screw anchor for the concrete attachment in a railway sleeper and to the force-fit connection by means of a rail screw, comprising a threaded section (14) with external threads (18) disposed on the exterior of the screw anchor (10) and internal threads (19) disposed in... Agent: Vossloh Werke Gmbh

20120286055 - Systems and related methods involving isolation tubs: Systems and related methods involving isolation tubs are provided. In this regard, a representative system includes: an isolation tub formed of fiberglass reinforced plastic resin, the tub defining a reservoir; concrete positioned within the reservoir; and rails extending across the tub and being supported by the concrete, the rails being... Agent: PCi-trammco, LLC.

20120286056 - Longitudinal sleeper and damping railway system thereof: A longitudinal sleeper and a damping railway system thereof are provided. The longitudinal sleeper comprises a pair of longitudinal prestressed concrete beams (1) respectively arranged under rails along a longitudinal direction of the rails, and concrete connection boards (2) transversely connected between the pair of the longitudinal prestressed concrete beams... Agent: Qingdao Nianxin Environment Tech Co., Ltd.

20120273582 - Device for improving tire traction: A tire traction device which may improve or provide tire traction for various vehicles is described. The tire traction device includes a board having a first end and a second end, wherein the first end has a curved edge and the second end has a slanted edge. The board may... Agent: