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Class Information
Number: 210/165
Name: Liquid purification or separation > Structural installation > Grated inlet surface drain > Flat grating at surface level > With subsurface weep means
Description: Structures which include means to dispose of subsurface see page e.g., weep holes.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7108783 |
Drain inlet |
Sep. 19, 2006 |
| 7005060 |
Upflow surface water runoff filtration system |
Feb. 28, 2006 |
| 6755966 |
Waste assembly allowing adjustable fitment of a floor waste or appliance |
Jun. 29, 2004 |
| 6521122 |
Drainage basin filter |
Feb. 18, 2003 |
| 6209572 |
Device for repairing drains |
Apr. 3, 2001 |
| 6185758 |
Device in draining gutters |
Feb. 13, 2001 |
| 5989417 |
Covering for a sewer manhole |
Nov. 23, 1999 |
| 5958226 |
Storm drain filter with removable debris tray |
Sep. 28, 1999 |
| 5679246 |
Spill containment system |
Oct. 21, 1997 |
| 5632889 |
Filter cartridge for separating liquid hydrocarbons from water |
May. 27, 1997 |
| 5511904 |
Storm water infiltration |
Apr. 30, 1996 |
| 5458769 |
Floor drain |
Oct. 17, 1995 |
| 5408706 |
Fitting assembly for vinyl lined pools |
Apr. 25, 1995 |
| 5391295 |
Spill containment system |
Feb. 21, 1995 |
| 5372715 |
Siphonage floor drain and port protector |
Dec. 13, 1994 |
| 5299836 |
Floor waste fitting support |
Apr. 5, 1994 |
| 5197766 |
Fluid-carrying tube coupling assembly with internal seal and drain arrangement |
Mar. 30, 1993 |
| 5195284 |
Drywell cover and drywell |
Mar. 23, 1993 |
| 5131196 |
Drywell cover and drywell |
Jul. 21, 1992 |
| 5086594 |
Composite drywell, drywell system and method |
Feb. 11, 1992 |
| 5044822 |
Open bottom pit seal |
Sep. 3, 1991 |
| 5037541 |
Sanitary device for sewerage channel |
Aug. 6, 1991 |
| 4982533 |
Drywell with plugs, drywell system and method for controlling the flow and direction of surface water |
Jan. 8, 1991 |
| 4961848 |
Drain grate with primary and secondary weirs |
Oct. 9, 1990 |
| 4952094 |
Ground water drain |
Aug. 28, 1990 |
| 4845914 |
Double weep hole drain and method |
Jul. 11, 1989 |
| 4739524 |
Double weep hole drain and method |
Apr. 26, 1988 |
| 4720209 |
Drywell structure |
Jan. 19, 1988 |
| 4649674 |
Drain hole seal with bottom bleeder |
Mar. 17, 1987 |
| 4337005 |
Structures for supporting manhole covers, grates and the like provided with self-storing adjustable leveling apparatus |
Jun. 29, 1982 |
| 4305679 |
Manhole sealing device |
Dec. 15, 1981 |
| 4067659 |
Manhole closure assembly |
Jan. 10, 1978 |
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