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Patent No. 5787895

Kissing Shield

A kissing shield comprised of a thin, flexible membrane and a frame or holder.

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Class 137/118.05 - Primer valve


Subclass of Class 137 - Fluid handling
Definition: Subject matter wherein the change in the fluid flow rate
No. of patents: 13
Last issue date: 02/08/2011


NumberTitleIssue Date
7882851Pressure activated trap primer and water hammer combination
A water hammer arrestor and drain trap primer valve includes a hollow pipe having a closed end, a discharging end, an inlet, an outlet port connected to said discharging end and attachable to plumbing tubing, an inlet port connected to said inlet and attachable to p...
02/08/2011
7520292Pressure activated trap primer and water hammer combination
A water hammer arrestor and drain trap primer valve includes a hollow pipe having a closed end, a discharging end, an inlet, an outlet port connected to said discharging end and attachable to plumbing tubing, an inlet port connected to said inlet and attachable to p...
04/21/2009
6834665Automatic adjustable trap priming valve
An automatic adjustable trap priming valve includes a housing through which inlet water to a frequently used plumbing fixture flows; a diverter member which extends across the housing, the diverter member providing an interior passageway which communicates with a de...
12/28/2004
6422260Trap primer
A trap primer that includes a spring-loaded piston wherein the trap primer includes a body and the piston is slidably received therein and includes a plurality of circumferentially-spaced fingers....
07/23/2002
6152164Pressure-drop activated trap seal primer valve
A trap seal primer valve for automatically charging water into a sewer line trap from a water line containing water under variable pressure....
11/28/2000
5797419Sewer line trap priming assembly and antisiphoning conduit component therefor
An automatic sewer line trap priming assembly including a gap type, anti-siphoning conduit component. A shielded and directed jet at timed intervals directs priming water increments into a receiving funnel which communicates with the trap....
08/25/1998
5678588Sewer line multiple trap priming system and method
A sewer line multiple trap priming system comprises a house line and a plurality of branch lines all communicating with each other and supplied with water under pressure. A plurality of makeup priming water lines are connected, one to each of the traps. I...
10/21/1997
5287877Sewer drain trap primer valve
A sewer drain trap primer valve includes a case defining a volume; a flexible diaphragm separating the volume into an upper, water chamber and a lower, sealed, air chamber; a conduit connecting the water chamber with an outlet orifice defined by a lower e...
02/22/1994
4821625Valve device for controlling the delivery of pressurized liquid to two separate hydrostatic motors
Valve device for controlling the delivery of pressurized fluid from a common pump to two hydrostatic working motors, one of which is subjected to a load dependent on the speed of the other motor. A volume flow regulator is disposed in the flow path betwee...
04/18/1989
4488569Apparatus with staged pressure differential for controlling fluid flow
A fluid flow control system includes a priority valve which is controlled by a pressure differential applied across the valve, and which directs priority flow to a steering circuit and excess flow to an auxiliary circuit. The system insures that during st...
12/18/1984
4468193Staged hydrocarbon combustion system
An improved apparatus for the combustion of hydrocarbon vapors comprising a stack; a first vapor directing assembly, a portion of which is disposed within the stack for discharging vapors below or at a first predetermined flow rate into a combustion zone ...
08/28/1984
4054327Air brake system with line pressure loss protection
An air brake system for a vehicle with a plurality of air-operated brakes has means for retaining braking capacity in the event of line rupture or severe leakage at various points in the system. Brake control means, preferably of the form with two separat...
10/18/1977
4000752Double-jet acting trap primer
A flow-through or in line type trap primer adapted to deliver a first metered spurt of water through a primer flow passage to a trap upon the initiation of flow in a supply line, and a second metered spurt of water upon the termination of such flow. A rea...
01/04/1977
 
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