Featured patents

Operable Ramp
US 08813290 B1, Aug. 26, 2014, With lift means, Donald Morris / Lift-U, division of Hogan Mfg., Inc. (Escalon, US)
An operable ramp moveable between a step configuration in a stowed position…

Ramp Assembly With Tilt Sensor
US 08869333 B2, Oct. 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…

Fold Out Ramp
US 08745800 B1, June 10, 2014, With lift means, Donald Morris / Lift-U, division of Hogan Mfg., Inc. (Escalon, US)
A ramp assembly, comprising:…

Fall Protection Cage With Adjustable Outboard Upright
US 08745799 B1, June 10, 2014, With lift means, Sandy W. Tyner et al. / Sam Carbis Asset Management, LLC (Florence, US)
An apparatus that provides selectively deployable worker access with fall…

Bridge Span Replacement System
US 08671490 B1, March 18, 2014, Bridge Construction Method, Mark Carney et al.
A vertically-adjustable gantry assembly installation adapted for removal…

Bridge Shoring System
US 08656543 B2, Feb. 25, 2014, Bridge Construction Method, Paul Westley Porter et al. / Encon Technologies, LLC (Jacksonville, US)
A method for shoring a bridge having a superstructure using a replacement bent…

Deviator System for Use in Post-Tension Segmental Concrete Construction
US 08640292 B1, Feb. 4, 2014, Suspension, Felix L. Sorkin
An apparatus comprising:…

Bridge Cap Installation System and Method
US 08621697 B2, Jan. 7, 2014, Bridge Construction Method, Butch Lunsford et al. / Union Pacific Railroad Company (Omaha, US)
A lifting device configured to support a bridge cap when lifting the bridge cap…

Wear Resisting Span Lock System
US 08590086 B1, Nov. 26, 2013, Locking devices, Robert L. Cragg / Steward Machine Co., Inc. (Birmingham, US)
In a bascule bridge span lock assembly including a lockbar receiver having a pair…

Fit-Together Type of Precast Concrete Lining and Bridging Structural Body
US 08539629 B2, Sept. 24, 2013, Girder, Manyop Han / Supportec Co., Ltd. (Seoul, KR)
A fit-together type of precast concrete lining and bridging structural body…

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