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| Number | Title | Issue Date |
| 7472609 | Fluid meter A fluid meter. An illustrative embodiment of the fluid meter includes a meter housing having a housing interior, a rotatable paddle provided in the meter housing and a counter coupled to the paddle. ... | 01/06/2009 |
| 7360413 | Wireless water flow monitoring and leak detection system, and method A wireless water flow monitoring and leak detection system and method are provided. The system includes a base station, a memory, and a central processing unit configured to control the operation of the system and to analyze stored data. A plurality of highly-sensit... | 04/22/2008 |
| 7290456 | Flow measurement system and method Flow measurement systems and techniques may allow flow information to be wirelessly transmitted. The systems and techniques may include a meter index cover and a wireless meter transmitter adapter. The meter index cover may be configured and arranged to house a mete... | 11/06/2007 |
| 7257999 | Liquid dispenser with volume meter A liquid dispenser comprises a sprayer device and volume meter connected together to form an integral unit that prevents the sprayer device and volume meter from being disconnected without damaging the dispenser. The volume meter has an inlet end portion and a gauge... | 08/21/2007 |
| 7171852 | Gas meter operation tracking assembly A tracking assembly and method for tracking the operation of a rotary gas meter that has a driven member includes a connecting member, a gear assembly and a mechanical counter. The connecting member is adapted to be coupled to the driven member. The gear assembly is... | 02/06/2007 |
| 7059200 | Flow measurement system and method Flow measurement systems and techniques may allow flow information to be wirelessly transmitted. The systems and techniques may include a meter index cover and a wireless meter transmitter adapter. The meter index cover may be configured and arranged to house a mete... | 06/13/2006 |
| 6926821 | Water treatment device with volumetric and time monitoring features A totalization meter system for a water treatment device, the device having an inlet aperture and an outlet aperture, and a channel for channeling water between the inlet and outlet apertures. A flow reactive device is positioned in the channel and is exposed to the... | 08/09/2005 |
| 6881507 | Method and apparatus for measuring the mass flow of hydrogen in a fuel cell The mass flow of hydrogen fuel in the anode loop of a hydrogen fuel cell is measured using a rotating flow meter. The flow meter includes a bladed rotor mounted for rotation within a tube disposed in the stream of hydrogen fuel flowing through the anode loop. A magn... | 04/19/2005 |
| 6641717 | Water purifier A water purifier 40 includes a flow meter 42 for measuring the cumulative flow of water through a water purification cartridge 6. The flow meter has an indicator portion 44 that rotates in response to increasing cumulative flow and a graduated portion 46 ... | 11/04/2003 |
| 6079281 | Single-jet liquid meter with improved driving torque A single-jet liquid meter comprises a body in which a measurement chamber of substantially cylindrical shape is disposed. The chamber is fitted with a spinner having a longitudinal axis XX' and provided with blades, a liquid feed tube and a liquid dischar... | 06/27/2000 |
| 6012339 | Tangential rotor flow rate meter A flow meter is provided that can be used to measure the flow of fluids from a fluid source to a receiving system, and methods of using the flow meter to measure fluid flow. The flow meter is composed of a housing that contains a fluid flow sensing member... | 01/11/2000 |
| 5997734 | Flow totalization, reset, and restriction mechanism for use in indicating the end of a treatment cartridge useful life A faucet mounted water filtration device (100) includes an end of life indicator assembly (130) having a flow totalization mechanism (600), a reset mechanism (602) and a flow restriction mechanism (604) coaxially aligned with an indicator assembly (130). ... | 12/07/1999 |
| 5928504 | Faucet-mounted water treatment device A faucet-mounted water treatment device including a flow totalizer and an end-of-life indicator cooperating with the totalizer to tell the user when it is necessary to replace the filter cartridge. End-of-life indication is provided by a valve which stops... | 07/27/1999 |
| 5527451 | Water treatment device with volume totalization valve A water treatment device including an arrangement having mechanisms for mechanically totaling the volume of water filtered and for indicating when the replaceable filter cartridge has reached the end of its useful life. End-of-life indication is provided ... | 06/18/1996 |
| 5158094 | Turbine incentive spirometer An incentive spirometer that indicates the volume of air drawn therethrough is disclosed. The spirometer comprises a housing with a turbine rotatably mounted therein. The turbine is provided with a take-off shaft with which is operably associated a signal... | 10/27/1992 |
| 4630488 | Single jet liquid meter A single jet liquid meter comprises a cylindrical measuring chamber having first and second end walls perpendicular to the axis of the chamber, an injector and an ejector in communication with the measuring chamber, and a turbine having a hub and pluralit... | 12/23/1986 |
| 4543095 | Visual flow indicator The indicator includes a transparent hollow cylindrical chamber with co-linearly aligned inlet and outlet ports located at spaced points along the cylindrical wall, on opposite sides thereof. An element is freely rotatably mounted within the chamber. The ... | 09/24/1985 |
| 4461174 | Vane wheel water meter A vane wheel water meter having a vane wheel disposed in a vane chamber located between an inlet and an outlet with the meter body being positioned above the vane chamber. The vane wheel has a body with several vanes extending outwardly perpendicular to t... | 07/24/1984 |
| 4088021 | Fluid counter The present invention relates to a fluid counter, and more particularly to a liquid counter. The fluid counter includes a rotor which is equipped with a shaft. One end of the shaft terminates at a point which is used solely for low flow rates. The other e... | 05/09/1978 |
