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Class Information
Number: 405/275
Name: Hydraulic and earth engineering > Earth treatment or control > Shoring, bracing, or cave-in prevention > Sheet piles > Concrete
Description: Method or apparatus wherein the elongated members are made of concrete, plain or reinforced.

Patents under this class:

Patent Number Title Of Patent Date Issued
7144200 Innovative prestressed scaffolding system Dec. 5, 2006
6786675 Erosion control and bulkhead apparatus Sep. 7, 2004
6540445 Concrete silt fence Apr. 1, 2003
6443666 Reinforced concrete panel and method of manufacture Sep. 3, 2002
6409818 Disposable water resistant foamed concrete cover for bulk salt Jun. 25, 2002
6361247 Erosion control and bulkhead apparatus Mar. 26, 2002
6328503 Method for constructing an underground structure Dec. 11, 2001
6227292 Flexible sinker bar assemblies May. 8, 2001
5911545 Method for stabilizing and repair of docks and seawalls Jun. 15, 1999
5409326 Process for planting a row of cement piles on the bed of a river Apr. 25, 1995
5385504 Permanent ventilation seal Jan. 31, 1995
4776728 Angulated retaining wall Oct. 11, 1988
4707962 Cascade wall structure Nov. 24, 1987

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