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Class Information
Number: 405/20
Name: Hydraulic and earth engineering > Bank, shore, or bed protection > Revetment > Mattress > Hinged concrete sections
Description: Apparatus wherein the mattress is a plurality of cement or asphalt concrete segments which are flexible interconnected.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8678705 Channel flex revetment block and cabled mat Mar. 25, 2014
7870691 Green roof tile system and methods of use Jan. 18, 2011
7618216 Faultline fearless nanotube homes Nov. 17, 2009
7048469 Flexible grid and predominantly concrete mat employing same May. 23, 2006
7037037 Interlocking erosion control block with diagonal cable channels May. 2, 2006
6955500 Method of forming a mat of erosion control blocks Oct. 18, 2005
6942421 Manufacture of articulated, predominantly concrete mat Sep. 13, 2005
6866446 Revetment block and mat Mar. 15, 2005
6739797 Interlocking erosion control block with integral mold May. 25, 2004
6685391 Ground surface cover system with flexible interlocking joint for erosion control Feb. 3, 2004
6666619 Protective wall assembly Dec. 23, 2003
6623213 Retaining components Sep. 23, 2003
6612776 Manufacture of articulated, predominantly concrete mat Sep. 2, 2003
6592292 Flexible bolt and assembly of concrete revetments employing same Jul. 15, 2003
6558074 Assembly of revetments with crush-absorbing ribs May. 6, 2003
6543190 Portable weight strip for adjustably holding a member in position on an uneven surface; and method Apr. 8, 2003
6508607 Erosion control block adapted for use with cellular concrete mattresses Jan. 21, 2003
6293730 Apparatus for and method of constructing concrete block mat under water Sep. 25, 2001
6079902 Revetment system Jun. 27, 2000
6071041 Revetment block Jun. 6, 2000
6012872 Flood control system Jan. 11, 2000
5988942 Erosion control system Nov. 23, 1999
5971658 Integrated armored erosion control system Oct. 26, 1999
5921710 Revetment blocks and method Jul. 13, 1999
5911539 Interconnected block system Jun. 15, 1999
5906456 Revetment system May. 25, 1999
5890836 Interlocking blocks for stream erosion control Apr. 6, 1999
5846023 Non-abrasive subsea mat Dec. 8, 1998
5842812 Type of flexible mat for lining embankments Dec. 1, 1998
5823709 Interconnected block system Oct. 20, 1998
5820299 Building modules and assemblies made from such modules Oct. 13, 1998
5779391 Revetment block Jul. 14, 1998
5775838 Block blanket erosion control system Jul. 7, 1998
5702208 Grid-locked block panel system Dec. 30, 1997
5669732 Self-closing interlocking sandbags and process for erecting dams therefrom Sep. 23, 1997
5632571 Concrete geomattress May. 27, 1997
5556228 Block for controlling soil erosion Sep. 17, 1996
5484230 Concrete block revetment system for soil erosion prevention Jan. 16, 1996
5429451 Grid matrix system including interconnected revetment blocks Jul. 4, 1995
5380124 Beach stabilizer having pile guides Jan. 10, 1995
5370475 Erosion barrier system made from tires Dec. 6, 1994
5108222 Articulated, predominantly concrete mat Apr. 28, 1992
5006176 Coagulant for soil and/or sand method for preventing washout using the same Apr. 9, 1991
4906130 Anti-scouring device for a dam stilling basin or approach Mar. 6, 1990
4813812 Sloping blocks and revetment structure using the same Mar. 21, 1989
4781492 Block for revetment Nov. 1, 1988
4683156 Flexible blanket Jul. 28, 1987
4664552 Erosion control apparatus and method May. 12, 1987
4629360 Retaining wall system Dec. 16, 1986
4564311 Protective jacket for use in revetment structures Jan. 14, 1986

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