Trench drain filter assembly

Details Trench drain filter assembly Trench drain filter assembly

2007-01-23

2007-01-23

Lagman, Frederick L. (Department: 3673)

Hydraulic and earth engineering

Drainage or irrigation

Porous or apertured pipe, flume, or tileway

C405S043000

Reexamination Certificate

active

11249900

ABSTRACT:
An improved trench drain filter and modular system therefor for intercepting and treating run off water in a trench drain before discharge into a drainage system. The filter elements include a perforated pipe covered with one or more layers of geotextile material, which is, in turn, covered with a permeable fabric membrane. In a preferred embodiment a pouch containing an absorbent agent is disposed within the pipe upstream of the discharge point, and in another embodiment a multi-filter modular unit is provided, the unit including a plurality of filter elements disposed in an enclosure having fluid flow control baffles to direct fluid to and through the filter elements.

REFERENCES:
patent: 4960345 (1990-10-01), Hurley et al.
patent: 4983068 (1991-01-01), Kozak et al.
patent: 5595652 (1997-01-01), Rainer
patent: 5810509 (1998-09-01), Nahlik, Jr.
patent: 6277280 (2001-08-01), Houck
patent: 6440304 (2002-08-01), Houck et al.
patent: 6482319 (2002-11-01), Houck et al.

Affiliated with

Also associated with

Rating

Trench drain filter assembly does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Trench drain filter assembly, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Trench drain filter assembly will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3795961