Featured patents

Pivot Devices for Ramps
US 08832892 B2, Sept. 16, 2014, Attached, Hugh L. Goin et al.
A pivot device to pivotally secure a ramp to another structure, the pivot device…

Bridge Cap Installation System and Method
US 08844085 B2, Sept. 30, 2014, Bridge Construction Method, Michael A. Bruckner et al. / Union Pacific Railroad Company (Omaha, US)
A lifting device configured to support a bridge cap when lifting the bridge cap…

Gangway and Method for Manufacturing Same
US 08869335 B2, Oct. 28, 2014, Bridge Construction Method, Robert W. Honeycutt et al. / Safe Rack LLC (Andrews, US)
A method for manufacturing a gangway comprising an underbody and at least one…

Dual Bridge Aircraft Passenger Boarding Ramp Assembly and Method
US 08863341 B1, Oct. 21, 2014, Attached to fixed structure at first end and with cover and provision to fit vehicle at second end, Christa Keith et al.
A ramp assembly for deplaning passengers from and boarding passengers…

Ramp Assembly With Tilt Sensor
US 08635729 B1, Jan. 28, 2014, With lift means, David Johnson et al. / Lift-U, Division of Hogan Mfg., Inc. (Escalon, US)
A ramp assembly for providing a transition surface from a vehicle floor…

Modular Ramp System
US 08635728 B2, Jan. 28, 2014, Gangway, Ramp, or Dock Leveler, Michael Mapp
A modular ramp system, comprising:…

Transportation and Erection Integrated Machine With Displacement Platforms and Methods for Erecting Bridge Using the Same
US 08555442 B2, Oct. 15, 2013, Having launching means, Da Pan et al. / Beijing Wowjoint Machinery Co. CN
A special launching carrier with variable position platform, comprising:…

Composite Girder for Bridge Construction
US 08544129 B2, Oct. 1, 2013, Arch, Yong-seock Won / Hyedong Bridge Co., Ltd. (Seoul, KR)
A composite girder for bridge construction, the composite girder comprising:…

Dock Leveler Sealing Systems
US 08510888 B2, Aug. 20, 2013, Attached, William C. Eungard / 4Front Engineered Solutions, Inc. (Carrollton, US)
A dock leveler sealing system for use with a dock leveler having a deck…

Travel Easy Adjustable Deck
US 08490234 B2, July 23, 2013, Transportable, Joseph P. Rowell et al.
A modular deck system, comprising:…

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