Quotables
"Fooling around with alternating current is just a waste of time. Nobody will use it, ever."
Thomas Edison ; 1889
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7971598 | Valve in-line backflow control A valving assembly, comprises elongated tubular body, a first annular diaphragm in the body, and a first annular seat in the body engaged by the first diaphragm when pressurized fluid flow passes through the body and through the first diaphragm to deflect the first ... | 07/05/2011 |
| 7934515 | Backflow bonnet and poppet A prior art backflow bonnet and poppet is replaced by a functionally equivalent new bonnet and poppet. The new bonnet and poppet reduces risk of freeze damage with about a 50% greater strength against pressure. The new bonnet and poppet has only three parts when ass... | 05/03/2011 |
| 7802586 | Vacuum breaker A vacuum breaker that includes a substantially cylindrical tubular body having a first end and a second end, wherein the first end has a rim extending away from the body and a ledge extending axially away from the rim thus defining an L-shaped profile. A retainer be... | 09/28/2010 |
| 7537020 | Vacuum breaking device A vacuum breaking device includes a housing, a sealing base, a floating cup and a sealing ring. The housing has a liquid inlet, a liquid outlet and an air passageway. The sealing base is installed in the air passageway, and the floating cup is installed in an inner ... | 05/26/2009 |
| 7427037 | Anti-clogging showerhead device A showerhead facilitating draining of water retained following shut-off. The showerhead includes a housing swivelably fitted on a ball-adapter which in turn includes an integral threaded segment for attachment to a water feed line. An air pathway is formed to extend... | 09/23/2008 |
| 7340793 | Washing machine control method In a method of controlling to a water supplying step and a water draining step in a washing machine having no anti-siphoning device, an error state is determined when water supplying and water draining are simultaneously performed. The error state is determined for ... | 03/11/2008 |
| 7096879 | Pillar sink mixer with hand spray A pillar sink mixer has a hot water faucet pillar, a cold water faucet pillar, a mixing chamber and a diverter valve to supply mixed water to a faucet nozzle or to a hand spray. The mixing chamber and diverter valve are positioned in a bridge above a mounting surfac... | 08/29/2006 |
| 7087130 | Method for manufacturing a sealable bag having an integrated zipper for use in vacuum packaging A method for manufacturing a bag for use in vacuum packaging comprises forming a first panel having a receiving feature and a second panel having an insertion feature, such that the insertion feature can be removably connected with the receiving feature, thereby for... | 08/08/2006 |
| 7077218 | Motor housing and assembly process for power tool A handle for a power tool is provided including a field case and front handle portion formed as a single piece. The front handle portion has an opening in a rear side thereof for receiving the wiring for the power tool. The wiring is connected to a motor that is mou... | 07/18/2006 |
| 7074020 | Sanitary pump and sanitary valve A sanitary pump and sanitary valve is provided employing a dual action piston for providing a constant pressure metering and delivery of fluids utilizing a drive shaft positively driven and controlled by a drive motor for sanitary applications. The sanitary pump may... | 07/11/2006 |
| 7059341 | Discharge ducts for pumping water from a supply reservoir to a delivery reservoir A discharge duct for discharging pump water from a supply reservoir defined by a first minimum water level and a supply reservoir floor to an operatively higher located delivery reservoir defined by a second minimum water level and the delivery reservoir floor, the ... | 06/13/2006 |
| 7055544 | Fire hydrant with a second valve Fire hydrants which feature additional structure for reducing the potential that those with ill intent can foul municipal water supplies by introducing toxins or other materials into fire hydrants. Various embodiments include valves which close off portions of the h... | 06/06/2006 |
| 7032618 | Plumbing fixture block The invention proposes a plumbing fixture block, which has seatings for a mixing device and a shut-off valve. Furthermore, the plumbing fixture block has seatings to accommodate at least one nonreturn valve and one pipe air-release valve. The nonreturn valve and the... | 04/25/2006 |
| 6920893 | Corrosive resistant liquid extraction apparatus A liquid transfer system that includes a valve and a coupler assembly of unique design for use in extracting hazardous fluids from a transport container. The system includes a novel valve and coupler assembly that is of a simple design and is uniquely constructed fr... | 07/26/2005 |
| 6904931 | Vacuum breaker with water leak containment device A vacuum breaker having a floating piston that is movable in response to the communication of negative pressure to an inlet port of the vacuum breaker for permitting venting of fluid to the outside atmosphere through a vent opening. The vacuum breaker includes a liq... | 06/14/2005 |
| 6481530 | Engine pre-lubrication system To be used with an internal combustion engine having a crank case wherein engine oil is contained, and an engine internal oil pressure system structured to distribute lubricating oil to moving and wearing parts of the engine from the crank case, an engine... | 11/19/2002 |
| 6439939 | Siphon inhibiting device for a marine cooling system A siphon inhibiting valve comprises first and second portions of a housing structure and a buoyant member disposed within the housing structure for movement along a first axis between an inlet port and an outlet port. The buoyant member is shaped to have ... | 08/27/2002 |
| 6317905 | Spout with vacuum breaker protection Disclosed herein is a plumbing spout that has back flow protection. The spout positions a check valve vacuum breaker underneath the pull up knob in a plug assembly. The spout provides back flow protection even though it has no fluid control valve for cont... | 11/20/2001 |
| 6125875 | Pullout faucet value body with integral vacuum breaker hub A faucet includes a valve body having inlet conduits and an outlet. There is a valve control element within the valve body to control flow from the inlet conduits to the outlet. A vacuum breaker hub is mounted on the valve body and forms a chamber with th... | 10/03/2000 |
| 6032686 | Cartridge valve with vacuum breaker A cartridge valve 116 includes a fixed disk 80 and a movable disk 118 mounted in a housing 66. A lever 46 extends through a major opening 72 axially located at one end of the valve 116. The lever 46 is attached to a coupler 130 for facilitating movement o... | 03/07/2000 |
| 5947784 | Apparatus for producing toroidal bubbles and method A device that produces toroidal bubbles of gaseous fluid when operated in immersed relation to a body of liquid fluid. A first embodiment is operated by a person who blows into a first end of the device with a short burst of air, and a second embodiment i... | 09/07/1999 |
| 5839464 | Cartridge valve with vacuum breaker A cartridge valve 116 includes a fixed disk 80 and a movable disk 118 mounted in a housing 66. A lever 46 extends through a major opening 72 axially located at one end of the valve 116. The lever 46 is attached to a coupler 130 for facilitating movement o... | 11/24/1998 |
| 5803112 | Reflux valve means A reflux valve means for a fluid conduit (30) having a fluid outflow end, wherein the valve means includes a vacuum valve (10) intended for connection to a conduit branch (18) preferably to a top part or rising gradient of the conduit upstream of its outl... | 09/08/1998 |
| 5564457 | Vacuum breaker valve with CIP capability A vacuum breaker valve configured for clean in place capability is provided which includes a body having an internal passageway including a chamber, a valve member shiftable within the chamber, and a motive member positioned adjacent an upper end of the c... | 10/15/1996 |
| 5533546 | Assembly for prevention of backflow in valves A valve assembly which is suitable for backflow prevention in a stop cock having an inlet, a seat and an outlet. The valve assembly may be attachable to the stop cock and includes a valve body having at least one opening and also including a valve chamber... | 07/09/1996 |
| 5487406 | Drain control valve and manifold system A valve for permitting fluid flow in a first desired direction and preventing fluid flow in a reverse direction. The valve includes a valve body having a rigid wall defining inlet and outlet openings at opposite ends thereof and a main flow passageway bet... | 01/30/1996 |
| 5404898 | Anti-syphon fluid control valve apparatus and method An anti-syphon valve comprises a base pipe having inlet and outlet legs and a valve seat, disposed at the top of the base pipe within a valve stem post, which can be rotated selectively to block the inlet leg (closed position) or open it (open position). ... | 04/11/1995 |
| 5372158 | Valve with backflow preventer A valve with a backflow preventer has a valve housing with a fluid inlet, a main flow channel, and a fluid outlet formed therein. A valve element is provided in the valve housing to selectively actuate the valve. The valve element is rotatable between an ... | 12/13/1994 |
| 5360029 | Vacuum breaker A vacuum breaker is provided comprising a body member having an inlet and an outlet defined therein. A core insert member may be threadedly engaged within the body member having a chamber defined therein. A vent passage is defined within the body member t... | 11/01/1994 |
| 5329957 | Fluid flow system vacuum breaker A fluid flow system (20) includes fluid inlet conduits for supplying fluid through a fluid flow path (86) as formed by a manifold (74) and a module (76). The fluid is directed through fluid flow path (86) to a flexible conduit (54) and to a fluid dispensi... | 07/19/1994 |
| 5325885 | Anti-siphon device for sanitary appliance A backflow preventing device located downstream of a water control member of a sanitary fitting comprises a casing defining a cavity which communicates with a water feeding pipe and with an air inlet. Two shutting members are serially mounted and displace... | 07/05/1994 |
| 5304116 | Vaginal cleansing device An improved vaginal cleansing device comprising a T-shaped coupling, a first valve, a venturi, a second valve, concentrate reservoir, a solution delivery tube, and an applicator nozzle. The T-shaped coupling is interposed between a water source line and a... | 04/19/1994 |
| 5285808 | Diverting relief valve backflow Apparatus for diverting backflow includes a housing having first and second pressure openings for receiving fluid signals representative of first and second pressures. The housing has a gas inlet and a gas outlet and is formed with a gas transmission pass... | 02/15/1994 |
| 5240029 | Hose-type faucet with backflow preventer A backflow preventer used in combination with a valve that normally supplies water under pressure to a feed conduit and with an outlet device having a supply hose to which water is normally supplied under pressure has a housing forming a generally closed ... | 08/31/1993 |
| 5199455 | Anti-siphon device for drain conduits An anti-siphon drain conduit. First and second cylindrical tubular portions with a U-shaped tubular portion interposed therebetween, and communicating with, the first and second cylindrical tubular portions. A drain passage extends through the conjoined t... | 04/06/1993 |
| 5133498 | Apparatus for dispensing/applying a material This invention includes a process and apparatus for dispensing/applying a material to lawns and gardens. The apparatus includes a child and pet proof container for holding the material being dispensed/applied. At the upper portion of the container in a wa... | 07/28/1992 |
| 5103856 | Anti-siphoning valve assembly A faucet with a pull-out spray head includes a mixing valve for combining water from hot and cold supply lines. Water from the mixing valve flows through a check valve assembly having a chamber with an inlet, connected to the mixing valve, and an outlet, ... | 04/14/1992 |
| 5082017 | Anti-siphon ball cock with volume control A ball cock for a flush tank having a valve chamber connected with a discharge chamber. A float operated piston valve is mounted in the valve chamber to control water flow to the discharge chamber. A hush tube connected to the discharge chamber feeds the ... | 01/21/1992 |
| 4998554 | Food pasteurization system vacuum breaker A food pasteurization system includes a vacuum breaker valve having a valve element in an axial passageway normally maintained in a closed, raised position by a coil spring on the top side of the valve. Multi-purpose drain and air openings are provided in... | 03/12/1991 |
| 4991623 | Automatic air valves for ducts An automatic air valve for a conduit, through which passes fluids and/or solids, which valve prevents the discharge of contaminated air therefrom into the environment and which further permits the introduction of fresh air from the environment into the co... | 02/12/1991 |
