| Patent Number |
Title Of Patent |
Date Issued |
| D589631 |
Concrete block simulating natural stone |
March 31, 2009 |
|
| D589169 |
Concrete block simulating natural stone |
March 24, 2009 |
|
| D589168 |
Concrete block simulating natural stone |
March 24, 2009 |
|
| D589167 |
Concrete block simulating natural stone |
March 24, 2009 |
|
| D589166 |
Concrete block simulating natural stone |
March 24, 2009 |
|
| D589165 |
Concrete block simulating natural stone |
March 24, 2009 |
|
| D589164 |
Concrete block simulating natural stone |
March 24, 2009 |
|
| D589163 |
Concrete block simulating natural stone |
March 24, 2009 |
|
| D589162 |
Concrete block simulating natural stone |
March 24, 2009 |
|
| D589161 |
Concrete block simulating natural stone |
March 24, 2009 |
|
| D589160 |
Concrete block simulating natural stone |
March 24, 2009 |
|
| D589159 |
Concrete block simulating natural stone |
March 24, 2009 |
|
| 7618578 |
Method and apparatus for forming concrete blocks |
November 17, 2009 |
| A method and apparatus for forming a concrete block in form having a resilient insert forming a cavity in which the block is cast and a rigid support for the resilient insert. After the block has cured, the form is inverted. One or more areas of the insert are tethered to the support so |
| 6874293 |
Protruding planter block for retaining wall |
April 5, 2005 |
| A cast concrete block for use in a vertical retaining wall. The block has a generally vertical front face which is visible when the block is stacked in a retaining wall. A pocket is formed in the block to project from a portion of the visible face of the block. The pocket has an upwardly |
| 6854702 |
Form for manufacturing concrete blocks for freestanding walls |
February 15, 2005 |
| A form for manufacturing concrete blocks for constructing freestanding walls. The form includes a base and four side panels which are mounted on the base to pivot between a first position for casting a block and a second position for removing a cast block from the form. An insert is |
| 6835343 |
Method for handling concrete retaining wall blocks |
December 28, 2004 |
| A method and apparatus for handling large concrete retaining wall blocks and the like. The blocks are cast in a form with the front face down, a lifting loop extending from a rear face and with grooves extending in sides from a rear face to adjacent the front face. A spear hook is secure |
| 6715965 |
Retaining wall blocks and retaining walls constructed from such blocks |
April 6, 2004 |
| Retaining walls are formed from one or more tiers of concrete blocks. Top projections on all except the uppermost tier of blocks are received in recesses in the bottom of blocks in an adjacent upper tier. The top of the retaining wall may be finished with blocks which have a surface port |
