| |
 |
|
Class Information
Number: 137/247.27
Name: Fluid handling > With liquid valves or liquid trap seals > Liquid seal in liquid flow line; flow liquid forms seal > Plural inlet
Description: Devices having connections for a plurality of inlet pipes.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6859956 |
P-trap for plumbing drainage systems |
Mar. 1, 2005 |
| 6589440 |
Waterless urinal with liquid seal, liquid seal and method of using liquid seal |
Jul. 8, 2003 |
| 6341618 |
Plumbing stop valve and method of use |
Jan. 29, 2002 |
| 5941273 |
Drain trap apparatus |
Aug. 24, 1999 |
| 5901731 |
Reverse osmosis drain coupling and method of installing |
May. 11, 1999 |
| 5379749 |
Condensate trap for multi-poise furnace |
Jan. 10, 1995 |
| 5309890 |
Dual-sided condensate trap for furnace |
May. 10, 1994 |
| 4842844 |
Method of generating hydrogen |
Jun. 27, 1989 |
| 4800596 |
Ventilated toilet |
Jan. 31, 1989 |
| 4655242 |
Water seal drum |
Apr. 7, 1987 |
| 4263138 |
Trap-type drain fitting |
Apr. 21, 1981 |
| 4254512 |
Water trap |
Mar. 10, 1981 |
| 4248711 |
Basement floor drain and integral trap |
Feb. 3, 1981 |
| 4198717 |
Modular assembly for drain trap |
Apr. 22, 1980 |
| 4074686 |
Manually closable anti-backup trap |
Feb. 21, 1978 |
|
|
|
