| CAMPBELL-ERS L.L.C. Patent applications |
| Patent application number | Title | Published |
|---|
| 20120068135 | GRATE WALL - A barrier for preventing wildlife from entering a roadway is disclosed. The barrier includes a plate having a bottom edge adapted for piercing a ground surface, and at least one opening in the plate for connecting a corresponding at least one post to the ground so as to provide additional vertical support for the plate. | 03-22-2012 |
| 20110284439 | RESTRICTOR PLATE WITH SECURING SYSTEM - A restrictor plate assembly is disclosed. The assembly is adapted for being positioned within a catch basin throat so that the throat extends rearward of the assembly. The assembly has a longitudinally extending restrictor plate and a restrictor plate securing system, which includes a first clamp arm, pivotally positioned against the restrictor plate, for engaging a first throat surface of the catch basin; a second clamp arm pivotally positioned against the restrictor plate, for engaging a second throat surface of the catch basin, the second throat surface opposing the first throat surface; and an urging member which simultaneously urges the first and second clamp arms against the first and second throat surfaces, respectively. | 11-24-2011 |
| 20110100886 | RESTRICTOR PLATE WITH SECURING SYSTEM - A restrictor plate assembly is disclosed. The assembly is adapted for being positioned within a catch basin throat so that the throat extends rearward of the assembly. The assembly has a longitudinally extending restrictor plate and a restrictor plate securing system, which includes a first clamp arm, pivotally positioned against the restrictor plate, for engaging a first throat surface of the catch basin; a second clamp arm pivotally positioned against the restrictor plate, for engaging a second throat surface of the catch basin, the second throat surface opposing the first throat surface; and an urging member which simultaneously urges the first and second clamp arms against the first and second throat surfaces, respectively. | 05-05-2011 |
