Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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 |
| 7317972 | Management of peak water use The present invention provides systems and methods in which an irrigation management system reduces high peak water use values by utilizing a microprocessor (220) disposed in an irrigation controller (100) to receive peak water use information from a w... | 01/08/2008 |
| 7228729 | Apparatus and method for testing fuel flow Apparatus for testing fuel flow in a return or returnless fuel system. The apparatus comprises a housing, a primary flow passage in the housing having an inlet for connection to the fuel system for receiving fuel pumped by the fuel pump, and an outlet adapted for co... | 06/12/2007 |
| 7174263 | External volume insensitive flow verification A flow verifier for in-situ verification of a device under test (DUT), including an inlet connectable to a DUT, an outlet connectable to a vacuum pump for drawing gas through the DUT and the flow verifier, a vessel having a predetermined volume, diffusive media conn... | 02/06/2007 |
| 7143645 | Meter housing assembly and method of assembly A water meter housing assembly (10) comprises a cylindrical, plastic housing body (11), a non-cast housing bottom (13) of hydroformable or stamped brass, a single-piece strainer and sealing member (40) that is disposed in the housing bott... | 12/05/2006 |
| 7135986 | Meter register having an encoder for measuring material flow and an algorithm to selectively block signal transmission A water meter has a meter register having an encoder having electromagnetic wave emitters, e.g., infrared emitters to measure water flow and direction of water flow through the meter. The encoder has two of three spaced emitters directing infrared rays at predetermi... | 11/14/2006 |
| 7064671 | Low power regulator system and method Methods are disclosed for collecting sensor data in a pressure regulator system including a controller and a plurality of sensors. The controller and each of the individual sensors are activated as required to collect sensor data during a sampling period thereby red... | 06/20/2006 |
| 6997524 | System and method for controlling a hydraulic system A method for preventing a valve orifice from switching to the small size when a high build gradient is required includes briefly bleeding off a small amount of fluid at the upstream side of the valve. This momentarily reduces the pressure difference when beginning t... | 02/14/2006 |
| 6934643 | Ultra accurate gas injection system with vehicle transient air simulation An ultra accurate gas injection system with vehicle transient air simulation is provided. The device includes an input device, at least one mass flow device, an air flow device, a controller, such as a PC based controller, and an output device. The air flow device i... | 08/23/2005 |
| 6903659 | Low power regulator system and method Methods are disclosed for collecting sensor data in a pressure regulator system including a controller and a plurality of sensors. The controller and each of the individual sensors are activated as required to collect sensor data during a sampling period thereby red... | 06/07/2005 |
| 6813943 | Method and apparatus for conditioning a gas flow to improve a rate of pressure change measurement An apparatus for conditioning a gas flow to improve a measurement of rate of pressure change associated with the gas flow includes a measurement chamber having an interior portion characterized by an internal volume, and an inlet port for receiving the gas flow. The... | 11/09/2004 |
| 6722388 | Multiple pressure regulator A pressure regulator having a valve cartridge adapted to be removably held within its housing, said cartridge having a frame carrying and positioning a valve seat, a valve member, a valve stem, and a spring. The valve cartridge ensures correct spacing between the va... | 04/20/2004 |
| 6539315 | Regulator flow measurement apparatus Apparatus for determining fluid flow through a pressure regulator is disclosed. The pressure regulator is disposed in a fluid flow passage and has a throttling element moveable in the flow passage. A stem is attached to the throttling element. The apparat... | 03/25/2003 |
| 6267792 | Control apparatus and control method for reformer A control apparatus can maintain a substantially constant temperature of a reforming reaction in which a partial oxidation reaction occurs. The control apparatus can be used for a reformer that reforms reformats fuel into fuel by an endothermic reforming ... | 07/31/2001 |
| 5913248 | Surge detection device and turbomachinery therewith A turbomachine having variable-angle diffuser vanes operates by regulating the angle of the diffuser vanes on the basis of the sensors disposed on the pump body or pipes of a surge detection device. The onset of surge can be forecast by measuring the fluc... | 06/15/1999 |
| 5760301 | Flow meter for a gas pressure regulator A gas pressure regulator includes a pressure regulator for connection to a source of high pressure gas, and flow meter or flow regulator that selectively varies the flow rate of delivered gas. The flow meter includes a ring with orifices of varying sizes ... | 06/02/1998 |
| 5748077 | Hydraulic leak detection system A system for detecting leaks in a hydraulic system. The system shuts down the hydraulic system if a leak is detected and notifies individuals in the area that a leak has occurred. The leak detection system has sensors for measuring hydraulic system parame... | 05/05/1998 |
| 5650565 | Mini-dilution apparatus and method for exhaust emission testing A mini-diluter apparatus and method are provided for preparing dilute samples of exhaust gas for emission testing. The apparatus includes first and second mass flow controllers which respectively control the mixing of exhaust gas and diluent gas samples a... | 07/22/1997 |
| 5557050 | System for metering gas supplied under high pressure A metering system, for metering a volume Vo of compressed gas supplied under high pressure from a first tank to a second tank, includes a first duct for supplying the compressed gas from the first tank to the second tank, the first duct having ... | 09/17/1996 |
| 5520969 | Method for in-situ liquid flow rate estimation and verification The flow of a liquid reagent gas into a vapor deposition process chamber is adjusted in response to control information provided by a process controller. The controller executes a prescribed mathematical algorithm which utilizes first and second steady-st... | 05/28/1996 |
| 5509434 | Apparatus and method for controlling and metering the flow of gas through a pipeline An apparatus and method for controlling and metering gas flowing through a pipeline is provided. The apparatus includes an orifice flow meter for accurately measuring the flow rate of gas through the pipeline within a certain range. The apparatus further ... | 04/23/1996 |
| 5398721 | Compressed gas integral regulator and flowmeter An integral gas regulator and flowmeter unit. The unit has a housing body with a high pressure gas inlet, a low pressure gas outlet, and a receptacle. A passage communicates gas to a valve seat in the receptacle. A differential pressure piston having seal... | 03/21/1995 |
| 5339685 | Positive-displacement fluid flow-measuring system A positive-displacement fluid flow measuring system, especially for hydrocarbon fuel dispensers. The measuring system comprises, in addition to a positive-displacement meter per se, a correction system for correcting the loss of head in the meter. The cor... | 08/23/1994 |
| 5307833 | Method and apparatus for automatically transferring and measuring wet steam between priority and secondary users A system by which a supplier of wet steam may allocate and measure the mass flow rate and quality of steam delivered to a demand user and one or more secondary users with the wet steam delivered to each user being measured for purposes of billing. Pressur... | 05/03/1994 |
| 5284053 | Controlled flow volumetric flowmeter Apparatus and method for metering the flow rate of a fluid through a conduit in which a low inertia transducer is placed between the inlet and outlet, the transducer having a substantially cylindrical housing and a rotatable element concentric to the hous... | 02/08/1994 |
| 5245318 | Particle analyzing apparatus having pressure control system A particle analyzing apparatus having sample liquid pressurizing means for pressurizing sample liquid containing therein particles to be examined and supplying it to a portion to be examined, sheath liquid pressurizing means for pressurizing sheath liquid... | 09/14/1993 |
| 5203205 | Freezing agent consumption measurement system In a freezing agent consumption measurement system for measuring the consumption of the freezing agent in a low-temperature container, due to evaporation of the freezing agent, including a gas flow meter provided in the gas flow path to measure the flow o... | 04/20/1993 |
| 4966307 | Integrated multifunction regulator station for gas supply to a secondary mains The integrated multifunction regulator station for gas supply to secondary user mains from a principal distribution mains, comprises a single external housing having an essentially cylindrical shape, designed to withstand the gas operating pressure, in wh... | 10/30/1990 |
| 4879898 | Apparatus for shielding and protecting an air flow rate meter disposed in the intake tube of an internal combustion engine from air column fluctuations An apparatus for shielding and protecting an air flow rate meter from air column fluctuations arising in an intake tube from the aspirating action of an internal combustion engine is proposed. An air flow rate meter is disposed in a bypass line around the... | 11/14/1989 |
| 4750523 | Active attenuator and method An active attenuation system is provided for attenuating the pressure pulses in a liquid flowing in a pipe. The system includes an actuator for introducing nulling pressure pulses into the pipeline having the same frequency, but phase reversed to provide ... | 06/14/1988 |
| 4679151 | Control for a limiting device A system for generating electrical signals which are intended to control a flow limiting device, in particular in a fuel control apparatus, has duplicate signal generating circuits which are responsive to operation of the fuel control apparatus and which ... | 07/07/1987 |
| 4672854 | Converter of the rate of flow of a fluid A converter of the rate of flow of a fluid is disclosed with a measuring chamber having a smooth internal outer surface and a cylindrical casing, disposed in the base of the eternal casing of the converter. An inlet chamber of a damper is formed from the ... | 06/16/1987 |
| 4577495 | Apparatus for shielding and protecting an air flow rate meter disposed in the intake tube of an internal combustion engine from air column fluctuations An apparatus for shielding and protecting an air flow rate meter from air column fluctuations arising in an intake tube from the aspirating action of an internal combustion engine is proposed. The apparatus includes at least one elastic diaphragm disposed... | 03/25/1986 |
| 4571995 | Digital readout indicator of oxygen usage, pressure and flow A digital readout and display adapted for use with a tank of oxygen under pressure provides pressure regulation, discerning of the pressure in the tank and consumption of the oxygen. A small battery within a case member powers this display. The readout de... | 02/25/1986 |
| 4512188 | Flow rate control and metering means for shear-sensitive liquids In a flow rate control apparatus, pressure of a primary, or controlled, liquid is reduced without application of shear forces thereto. Each of first and second piston and cylinder assemblies has a first port on one side of the piston and a second port on ... | 04/23/1985 |
| 4500322 | Apparatus for regulation of gas feed for gas consumption An apparatus for regulation feed for gas consumption from a source with a variable gas production. The apparatus is characterized by two chambers (1, 2). These communicate in their lower parts with each other. At least the first chamber (1) is closed in i... | 02/19/1985 |
| 4498497 | Flow meter bypass valve assembly A bypass valve assembly is disclosed for use with a fluid flow meter of the type having a housing, an inlet, an outlet, a fluid passage which fluidly connects the inlet to the outlet and a flow rate responsive member within the fluid passage. The bypass v... | 02/12/1985 |
| 4344144 | Apparatus for creating gas flow cycles An apparatus for creating gas flow cycles comprises a housing defining a chamber (80) provided with gas functions and a passage (76) for connection with an equipment to be tested. A unit movable in the housing throttles the passage. The position of the un... | 08/10/1982 |
| 4299121 | Suction system in an engine In a suction system in an engine a suction air volume detecting means utilizing a von Karman's vortex air flowmeter principle has its upstream side and downstream side being in communication with an air cleaning chamber and an expansion chamber, respectiv... | 11/10/1981 |
| 4294113 | Anti-surge system for gases and other media A device and method for preventing high pressure surges in fluidic material delivery systems to instruments such as a flowmeter, by the use of restrictors and a pilot operated valve to initially restrict the flow of the fluidic material before allowing to... | 10/13/1981 |
| 4285245 | Method and apparatus for measuring and controlling volumetric flow rate of gases in a line Disclosed is a method and apparatus for measuring and controlling volumetric flow rate of gases. The apparatus includes a measurement chamber of fixed volume in a flow line, a controllable inlet valve upstream from the chamber, and flow regulator means fo... | 08/25/1981 |
