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| Number | Title | Issue Date |
| 7120949 | Multi-purpose drain The purpose of this multi-purpose drain is to prevent foreign matter from intruding into the down stream drainage system while providing a means to maintain the flow of liquid through the system should the primary path of flow become clogged. This invention has a wi... | 10/17/2006 |
| 7082628 | Disposable solid waste detainment plumbing trap A disposable solid waste detainment plumbing trap. The trap has a container for collecting water and solid waste discharged from a sink through a line threadably connected to an inlet of the container, and for discharging water through an outlet threadably connected... | 08/01/2006 |
| 6845527 | In-the-wall plumbing trap with integral waste and vent line An in-the-wall plumbing trap having integral connections for waste and vent lines wherein in the vent connection is located on the top of the trap housing and the waste connection on the bottom thereof. A substantially vertical wall formed by an overflow member sepa... | 01/25/2005 |
| 6049922 | Solid-sediment retainment plumbing trap A solid-sediment retainment plumbing trap devised primarily for a sink from which substantial amounts of solid material are discharged; e.g., eyeglass manufacture and dental plastic grinders. The plumbing trap is connected to the sink, and collects sedime... | 04/18/2000 |
| 5159724 | Spill free clean out traps A spill free clean out type sink trap includes a cover sealingly and detachably mounted on a container and, in one embodiment, respective individual inlet and outlet conduits are spaced apart laterally from one another. The conduits both project downwardl... | 11/03/1992 |
| 4800914 | Gas pressure relief apparatus A pressure relief device for a process or pipeline including a vertical column, preferably open to the atmosphere near the top, having a certain level of liquid therein and a conduit loop in fluid communication with the column and attached to the column n... | 01/31/1989 |
| 4726392 | Drainage canal A drainage canal assembly includes a canal housing for receiving electrical components, a drainage canal in the form of a syphon formed in the canal housing, and a check valve disposed in the drainage canal permitting liquid to leave the canal housing but... | 02/23/1988 |
| 4487219 | Floor drain or some other cupped water seal A floor drain or some other cup-shaped water seal, comprising a cupped body (1), a superstructure including a trash screen (2), a water seal forming wall (3), and an outlet (4) for a sewer pipe (5). A problem is to improve the superstructure of a floor dr... | 12/11/1984 |
| 4352368 | Plumbing apparatus A continuous, synthetic plastic plumbing trap comprising a generally U-shaped tubular structure having a first opening comprising an outer threaded annular rim, which is adapted to form a seal with an outer rim surface of a downstream tubular member, and ... | 10/05/1982 |
| 4263138 | Trap-type drain fitting A trap-type drain fitting is comprised of a base, an intermediate part, and an insert. The base has a lateral outlet connection and an outer wall having a base rim and an inner wall spaced radially inwardly from this outer wall. The intermediate part has ... | 04/21/1981 |
| 4248711 | Basement floor drain and integral trap A drain/trap to be installed in a basement flooring comprises an assembly cast in metal or molded from a corrosion-resistant synthetic resin includes an upwardly open housing of generally tubular outline, a secondary circuit leading through the bottom wal... | 02/03/1981 |
