Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Keystone Retaining Wall Systems, Inc. Patents
Assignee:
Keystone Retaining Wall Systems, Inc.
Address:
Minneapolis, MN
No. of patents:
52
Patents:


1 2


Patent Number Title Of Patent Date Issued
RE34314 Block wall July 20, 1993
A retaining wall is made from a plurality of blocks arranged in rows superimposed on each other and pinned together. Each block has a body with an exterior face and rearwardly diverging side walls joined to a neck. A head having outwardly directed ears is joined to the neck. The body has
D501935 Wall block February 15, 2005
D490542 Landscaping block May 25, 2004
D488569 Landscaping block April 13, 2004
D488568 Landscaping block April 13, 2004
D488242 Landscaping block April 6, 2004
D479342 Landscaping block September 2, 2003
D397808 Landscaping block September 1, 1998
D397451 Section of a retaining wall with plantable blocks August 25, 1998
D397230 Front face of a retaining wall August 18, 1998
D387434 Front face of a plantable retaining wall block December 9, 1997
D384168 Plantable wall block September 23, 1997
D381086 Front face of a retaining wall block July 15, 1997
D380560 Three faceted broken front face of a retaining wall block July 1, 1997
D317048 Wall block May 21, 1991
D301064 Convex block May 9, 1989
D300254 Retaining wall block March 14, 1989
D300253 Retaining wall block March 14, 1989
D299067 Modular block wall December 20, 1988
D298463 Retaining wall block November 8, 1988
D297767 Block wall September 20, 1988
D297574 Wall block September 6, 1988
D297464 Wall block August 30, 1988
D296365 Construction block June 21, 1988
D296007 Wall block May 31, 1988
D295790 Starter wall block May 17, 1988
D295788 Wall block May 17, 1988
7448830 Retaining wall block November 11, 2008
A retaining wall block (1) has parallel top and bottom faces (2, 3), a front face (4), a rear face (5), first and second side wall faces (6, 7) and a vertical plane of symmetry (S) extending between the front and rear faces (4, 5). The block (1) is formed as a body portion (8) including
7168892 Retaining wall block January 30, 2007
A retaining wall block (1) has parallel top and bottom faces (2, 3), a front face (4), a rear face (5), first and second side wall faces (6, 7) and a vertical plane of symmetry (S) extending between the front and rear faces (4, 5). The block (1) is formed as a body portion (8) including
7011474 Retaining wall block system March 14, 2006
A retaining wall block system is described. The block system includes blocks of different sizes that are configured to be compatible with each other in the construction of a retaining wall or free-standing wall. Each block has at least three faces which are textured to produce the ap
6912823 Multi-channel retaining wall block and system July 5, 2005
A retaining wall block system having multiple sizes and shapes of blocks with differently dimensioned, interchangeable front and back faces. The blocks are used to construct an irregularly textured wall having a weathered, natural appearance. Multiple channels in the lower face of the
6893192 Retaining wall block system May 17, 2005
A retaining wall block system is described. The block system includes blocks of different sizes that are configured to be compatible with each other in the construction of a retaining wall or free-standing wall. Each block has at least three faces which are textured to produce the ap
6854231 Multi-channel retaining wall block and system February 15, 2005
A retaining wall block system having multiple sizes and shapes of blocks with differently dimensioned, interchangeable front and back faces. The blocks are used to construct an irregularly textured wall having a weathered, natural appearance. Multiple channels in the lower face of the
6821058 Retaining wall block system and connector November 23, 2004
A retaining wall system and connector therefor. The system can be used with soil reinforcement material. The connector can function to hold the reinforcement material in place in addition to interlocking the blocks together.
6803002 Method for making and treating wall blocks October 12, 2004
A method for treating the surfaces and edges of a block to mimic the appearance of natural stone. The apparatus and method can treat up to four sides of a block, can be adjusted to provide varying degrees of surface and edge treatment, and useful in high volume block production equipment
6709201 Grooved retaining wall block and system March 23, 2004
Connectors for use in a retaining wall and a retaining wall having grooved blocks configured to receive the connector. Connectors can be used in various orientations within the grooves of the blocks. In a retaining wall, a flexible geosynthetic material fits into a channel of a channel
6637981 Retaining wall block system and method with varying block face sizes October 28, 2003
A retaining wall block system is described. The block system includes blocks of different sizes that are configured to be compatible with each other in the construction of a retaining wall or free-standing wall. Each block has at least three faces which are textured to produce the ap
6615561 Retaining wall block September 9, 2003
A retaining wall block is provided with a core, pin receiving cavities, and pin holes. The pin receiving cavities and pin holes are arranged on the block symmetrically on the block and substantially outside of block corner segments, thus resulting in a stronger block and permitting optim
6536994 Grooved retaining wall block and system March 25, 2003
Connectors for use in a retaining wall and a retaining wall having grooved blocks configured to receive the connector. Connectors can be used in various orientations within the grooves of the blocks. In a retaining wall, a flexible geosynthetic material fits into a channel of a channel
6447213 Retaining wall block system and method with varying block face sizes September 10, 2002
A retaining wall block system is described. The block system includes blocks of different sizes that are configured to be compatible with each other in the construction of a retaining wall or free-standing wall. Each block has at least three faces which are textured to produce the ap
6149352 Retaining wall block system November 21, 2000
A retaining wall block includes blocks of different sizes that are configured to be compatible with each other in the construction of a retaining wall or free-standing wall. Each block has at least three faces which are textured to produce the appearance of natural stone. The faces h
5913790 Plantable retaining wall block June 22, 1999
A plantable retaining wall block having a plant-receiving cavity located in a top surface thereof. The block is constructed so that the plant-receiving cavity lies between portions of side walls which are generally parallel with a front face of the block. The shape of the block is su
5865006 Retaining wall block and wall construction February 2, 1999
A retaining wall block and wall construction are disclosed. The retaining wall block is characterized in that it includes a removable flange having pin apertures which pass through the flange and into the body of the block. Such blocks allow the construction of walls having flange co
5779391 Revetment block July 14, 1998
A revetment block for use in a revetment system, the block having top and bottom surfaces and pairs of opposed and substantially parallel side surfaces. One of the side surfaces in each of the opposed pairs has first and second projections and the other of the side surfaces in each of th
5771631 Landscaping block June 30, 1998
The invention includes a block for use in landscaping and other applications. The block may have a lip on one or both sides that may function as a mowing strip. The block may have grooves on the bottom for receiving an anchoring strip or defining a conduit. Also, one or both ends of
5601384 Plantable retaining wall February 11, 1997
A plantable retaining wall comprised of a plurality of rows of plantable retaining wall blocks. Each wall block has a plant-receiving cavity formed in a top surface. The plant-receiving cavity is located between portions of side walls which are generally parallel to the front face of the
5588262 Landscaping block system December 31, 1996
A landscaping block system including one or more landscaping blocks having anchoring means for embedding the blocks in a substrate. The blocks each have a groove on the bottom, so that when the blocks are aligned end to end in a substrate, the grooves define a continuous conduit.
5568994 Landscaping block October 29, 1996
The invention includes a block for use in landscaping and other applications. The block may have a lip on one or both sides that may function as a mowing strip. The block may have grooves on the bottom for receiving an anchoring strip or defining a conduit. Also, one or both ends of
5551809 Embankment wall construction and method and block construction for making the same September 3, 1996
An embankment wall construction and a method for constructing the same in which the construction includes a base, a sloping wall formed of a plurality of precast modular units assembled in rows with each row setback from an adjacent lower row to form a slope angle of 30.degree. to 75
4914876 Retaining wall with flexible mechanical soil stabilizing sheet April 10, 1990
A retaining wall is made from a plurality of blocks arranged in rows superimposed on each other and pinned together. Each block has a body with an exterior face and rearwardly diverging side walls joined to a neck. A head having outwardly directed ears is joined to the neck. The body has
1 2

 
 
  Recently Added Patents
Apparatus for generating elevated voltage
EL display device and a method of manufacturing the same
Data storage device comprising write head with carbon element
Beverage dispenser
Writing method for optical disc, processing method for information, optical disc apparatus, and information processing apparatus
Tear resistant shrink film
Method and system for wafer bonding of structured substrates for electro-mechanical devices
  Randomly Featured Patents
Liquid lipstick dispensing device
Dual trace display device
Medullary cavity barrier
Convertible grilling devices
Piston overtravel indicator
Device for sealed mounting of a part on a frame
Motorcycle sound simulator for a child's toy
Valve seat of a flush valve used in flush tanks and the like
Apparatus for manufacturing a molding continuously
Complex combinatorial chemical libraries encoded with tags