| Patent Number |
Title Of Patent |
Date Issued |
| 7252457 |
Channel installation device |
August 7, 2007 |
| A cradle assembly for installing trench drain or conduit channels which enables the channels to be suspended from support rods while simultaneously permitting the adjustment of the channel height with in the trench. Because the assembly enables the channel to be supported by the supp |
| 7134808 |
Drain sealing |
November 14, 2006 |
| Plastic liner sections define a drainage channel when placed end to end. Each end has a stiff, double walled flange at each side of the end adapted to butt up to a similar flange at the adjacent end of the next sections. The double walled construction of the flanges stiffens the ends |
| 7125506 |
Drainage channel installation device |
October 24, 2006 |
| A drainage channel installation device comprises a channel-securing member and a channel-hanging member. The channel-securing member releasably engages the channel-hanging member and has opposed ends that are adapted to be releasably secured to the opposed side walls of a drainage channe |
| 7066685 |
Drainage grate |
June 27, 2006 |
| A drainage grate assembly having a drainage grate which is reinforced by a substantially continuous reinforcing member confined within the grate. The load rating for the drainage grate assembly can be adjusted by adding metal strips which can be disposed within and retained by the reinfo |
| 6908256 |
Drainage grate assembly |
June 21, 2005 |
| An improved drainage grate assembly having a reinforcing assembly which is capable of providing substantially continuous support to non-apertured portions of the drainage grate. The load rating for the drainage grate assembly can be adjusted by adding metal strips to the reinforcing |
| 6632046 |
Mold liner for facilitating manufacture of reinforced drainage blocks |
October 14, 2003 |
| A liner for use in casting a drainage block has an arched surface which defines an upper profile of a main drainage channel and the water inlets opening into the outer surface of the block as well as providing clips for supporting and locating reinforcing bars during the casting of the b |
| 6595720 |
Method and apparatus for forming a trench drain |
July 22, 2003 |
| A method and apparatus for forming a trench drain includes an elongated trench form, first and second spaced apart frame rails, a support member and a first and second fastener. The trench form includes at least one folding member folded along predetermined lines. The support member is |
| 5749315 |
Animal feeder |
May 12, 1998 |
| An animal feeder including a hopper portion and a trough portion. The hopper portion is removable from the trough portion to facilitate cleaning. By providing a plurality of trough portions having differing numbers of feed holes in one or both sides, the hopper can be removed from on |
| 5226748 |
Trench drain channel clip support |
July 13, 1993 |
| A clip-type support for use in installing trench drain systems. The clip device has two clip structures spaced from each other along a central web to engage, clamp and support two inter-engaging end portions of adjacent drain channel sections. A middle portion of the clip device separati |
| 5213438 |
Chemical safety trench drain conduit |
May 25, 1993 |
| A safety trench drain conduit formed of first and second trench drain elements each in the form of an open top channel having imperforate bottom and sidewall portions. The first trench drain element is located and retained within the second trench drain element and is constructed and |
| 4940359 |
Chemical safety conduit or trench |
July 10, 1990 |
| An elongate safety conduit or trench for receiving chemical liquids, having first and second preassembled conduit elements, the first located and retained within the second. A space is between the two at the bottom for collecting liquid that may leak through the first. A seal along the l |
| 4838727 |
Slotted drain conduit |
June 13, 1989 |
| A one-piece slotted conduit having a thin inner body section and an encompassing frame structure. The encompassing frame structure having specially designed recesses formed in it to ensure maximum conduit strength and an economic use of material. The slotted conduit also including ma |
| 4699544 |
Protective frame device for drainage channel |
October 13, 1987 |
| A drainage channel is shown which features a body having complementary ends which, in abutting relationship, form interlock with adjacent channel bodies when joining the channel bodies together; and an edge protective frame device for the upper free rims or edges of the channel side wall |
| 4630966 |
Drainage channel |
December 23, 1986 |
| A drainage channel is shown which features a body having complementary ends which, in abutting relationship, form interlock with adjacent channel bodies when joining the channel bodies together; and an edge protective frame device for the upper free rims or edges of the channel side wall |