Celebrity Inventors
Lawrence Welk, the bandleader who entertained millions of Americans over a generation of broadcasting his TV show, once received a patent: for a music-themed design of an ashtray.
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 |
| 7363811 | Measurement pickup A measurement pickup is provided offering a high measure of safety and having a measurement pickup housing, a sensor element arranged in the measurement pickup, at least one connection element closing the measurement pickup housing, and an excess-pressure protection... | 04/29/2008 |
| 7337553 | Lint detector methods and apparatuses Methods and apparatuses of for detecting lint are disclosed. In one embodiment, a light is directed to a plate. The light can be being emitted by a light source. A reflectometer is calibrated to a specific thermal emissivity of the plate. The thermal emission result... | 03/04/2008 |
| 7326351 | Filter underdrain system for backwash flow and method for measuring same A filter underdrain system and a method for measuring the water flow through the underdrain filter system. The apparatus includes panel members assembled to form a perforate grid on the filter base structure of an underdrain block. The panels are generally rectangul... | 02/05/2008 |
| 7322231 | Flowmeter of a variable orifice type having a cleaning arrangement The invention relates to a flowmeter for regulating and monitoring the flow of sealing fluid to be conducted to a seal of a rotating shaft, the meter including a sealing fluid metering channel, a sealing fluid inlet, and a connection towards the seal for regulating ... | 01/29/2008 |
| 7293471 | Flow meter for measuring fluid mixtures The present invention is directed to a flow meter that obtains the individual flow rates of gas, liquid hydrocarbons, and water in a predominantly gas-containing flowing fluid mixture. The flow meter comprises a water content meter (7) that provides a signal ... | 11/13/2007 |
| 7246532 | Flow indicator and apparatus for monitoring particles in air A flow indicator comprising a housing and a floater and adapted to draw an air sample is provided. The housing has at least one lower inlet port, an interior space, an upper outlet port, and a transparent window. The floater is disposed inside the housing and is ada... | 07/24/2007 |
| 7219559 | Flow meter using digital signals A flow meter outputs an electric signal of a position a float within a taper-shaped tube precisely. A taper-shaped tube is made of an approximately transparent material, is mounted approximately vertically, and circulates a fluid such as water or the like, and a flo... | 05/22/2007 |
| 7174692 | Blast resistant window A blast resistant window structure capable of withstanding typical car bomb blast pressures of 100 psi or more and of resisting leakage of chemical or biological agents is described, the window structure including a frame hermetically enclosing two glass panels in c... | 02/13/2007 |
| 7131316 | Method and apparatus for testing air permeable waterproof gloves A dry testing method for a glove (10) made with an air permeable, waterproof material (16). The stem (22) of a tee fitting (24) is connected to an air pump (20) source. A mouth (30) of the glove is tightly attached to one en... | 11/07/2006 |
| 6971186 | Lint filter assembly for use in a dryer A filter assembly for collecting lint in use with a dryer having an interior compartment. The filter assembly includes a control unit, an input air pathway in communication with the interior compartment, an exhaust, and a micro-filter. The input air pathway carries ... | 12/06/2005 |
| 6935190 | Flow rate measurement apparatus An apparatus for flow rate measurement includes a body having a chamber with an inlet and an outlet and a structure, buoyant in the presence of a fluid, disposed in the chamber. The structure moves to a position in the chamber in proportion to a flow rate of the flu... | 08/30/2005 |
| 6923074 | Ball valve with flow-rate gauge incorporated directly in the ball A fluid-flow measuring ball valve includes a replaceable ball within a housing. The replaceable ball includes a flow restriction calibrated to the characteristics of the fluid. Pressure ports on either side of the ball provide for obtaining pressure readings which c... | 08/02/2005 |
| 6916392 | Producing and servicing insulating glass units The invention provides methods of producing and servicing insulating glass units. Methods are provided for reducing the pressure differential on an IG unit, for changing the interior pressure within an IG unit, and for changing the gaseous interior composition withi... | 07/12/2005 |
| 6742399 | Respiratory flow sensor with flow channel having a measuring transducer and air resistance body A respiratory flow sensor, which is suitable for use near a patient, covers a broad gas volume flow measuring range with a low breathing flow resistance and good, reproducible measured signal quality at the same time. The respiratory flow sensor has a first air resi... | 06/01/2004 |
| 6725732 | Clothes dryer with safety feature A clothes dryer with safety feature of lint airflow obstruction detection comprises a frame connectable to a conventional clothes dryer. An anemometer sensor grid connected to the frame. The anemometer sensor grid is capable of detecting airflow therethrough. A ligh... | 04/27/2004 |
| 6349603 | Fitting for hydraulic flow measurement A fitting for hydraulic flow measurement includes a fitting housing containing a principal flow duct, a throttle point arranged in the principal duct, a bypass duct for conducting a partial flow connected behind the throttle point to the principal duct, a... | 02/26/2002 |
| 6212957 | Fluid flowmeter and method of assembly A ball type flowmeter having an external transparent housing on which a flow rate scale is pre-printed, and contained in the housing is a transparent tube having a floating ball, the tube being slidable in the housing and having upper and lower flanges to... | 04/10/2001 |
| 6119528 | System for measuring liquid flow through a metering device A system is provided that accurately measures the quantity of liquid that is transferred through a flow meter. The system is composed of a flow meter with an ultrasonic fluid (liquid) sensor mounted therein that operates to sense the presence or absence o... | 09/19/2000 |
| 5861546 | Intelligent gas flow measurement and leak detection apparatus An intelligent leak test and gas flow measurement apparatus having a body with a conical bore, a center shaft positioned in the conical bore to form a laminar flow gap bounded by the surface of the conical bore and the center shaft, a precisely machined s... | 01/19/1999 |
| 5820715 | Method of making flow monitoring line strainer having flow indicating element A line strainer for screening fluid flow in a small diameter conduit is constructed with an integral housing of clear or transparent thermoplastic polymer. A fluid flow channel through the housing center is terminated at opposite ends by sonically welded ... | 10/13/1998 |
| 5814738 | Fluid flow meter and mixer having removable and replaceable displacement member Fluid flow apparatus, such as a fluid flowmeter, a fluid mixing device or a fluid dispersing device, includes a one-piece fluid displacement member removably mounted in a section of fluid conduit so that no material joining, such as welding, is required f... | 09/29/1998 |
| 5743270 | Resistive element for spirometer The present air tubes include a resistive element which is located in the hollow space of the tubular portion. This resistive element is adapted for providing a linear resistance-versus-pressure response is sized and adapted to cause a pressure difference... | 04/28/1998 |
| 5672833 | Peak flow meter for measuring ventilatory capacity A peak flow meter has a body forming a chamber along which a piston can be moved against the force of a spring by a subject exhaling through an inlet into the chamber. A slot runs along a side of the chamber to allow the air to escape and a pointer is mov... | 09/30/1997 |
| 5596151 | Pressure compensating device for insulating glass frames Device for compensating pressure differences between the inside and the outside of an insulating glass frame, including a closed cylindrical hollow body which is arranged, so that its axis is not horizontal, between the inside and the outside of an insula... | 01/21/1997 |
| 5565631 | Non-metallic flow meter float and method A float mountable on a guide rod in a flow meter site tube including a non-metallic body having a generally cylindrical portion and a generally hemispherical portion. The hemispherical portion forms a leading end of the body opposite a tailing end of the ... | 10/15/1996 |
| 5450759 | Airflow indicator An airflow (1) having at least one air inlet (8) connectable to a pressurized air supply source; a plurality of air outlets (16) each connectable to a respective air tube; and a viewable chamber (28) pneumatically connected between the or each air inlet a... | 09/19/1995 |
| 5402686 | Float type flowmeter A float type flowmeter including a bottom flow-through fitting and an upper flow-through fitting in spaced relationship with the bottom flow-through fitting; and an exchangeable measuring tube extending between the fittings. Each fitting has an opening fo... | 04/04/1995 |
| 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 |
| 5393281 | Indicator for an exercising apparatus with a rotating means A indicator for an exercising apparatus with a rotating element includes a base, a cover being engaged with the base, a blowing device being disposed on the base, a transmission device having a first end connected to the rotating device of the exercising ... | 02/28/1995 |
| 5373746 | Flowmeter with snap fit mount end caps An all molded flowmeter assembly that is especially adapted for use in connection with medical and laboratory type equipment applications for measuring and/or controlling fluid flow and is arranged for snap-fit mounting at its ends with respect to the flo... | 12/20/1994 |
| 5343763 | Flow indicator impeller module A fluid flow indicator module 50 for insertion into a transparent conduit 12, the conduit 12 defining a path of a fluid. The fluid flow indicator module 50 has a transparent housing 52 having a fluid inlet 66 and a fluid outlet 75, the housing 52 being in... | 09/06/1994 |
| 5323654 | Shielded sight glass A sight glass placed between two spaced apart confronting fittings and connected to a vessel to show the level of liquid in the vessel is shielded by a novel transparent plastic enclosure. The enclosure is in the form of a polygon and is made from a sheet... | 06/28/1994 |
| 5078004 | Flow meter The apparatus (10) includes a metering tube (18) and a sight tube (22) intersecting the metering tube (18). Fluid communication between a bore (68) formed axially in the sight tube (22) and a passage (38) in the metering tube (18) is provided through an o... | 01/07/1992 |
| 4896534 | Float-type flowmeter A float-type flowmeter has a flow detecting surface, such as a fin, for pointing its inlet opening, which receives a portion of the flow to be measured, into the flow. Preferably the flowmeter, its inlet opening, and its fin, are all mounted to rotate as ... | 01/30/1990 |
| 4862898 | Air flow sensor The invention contemplates an improved air flow sensor including a proximity switch which has a metal disk mounted with respect to the sensing face to be movable by air flow in the action zone of the magnetic field as between a position adjacent the sensi... | 09/05/1989 |
| 4860765 | Air flow sensor The invention contemplates an improved air flow sensor including a proximity switch which has a metal disk mounted with respect to the sensing face to be movable by air flow in the action zone of the magnetic field as between a position adjacent the sensi... | 08/29/1989 |
| 4860764 | Air flow sensor The invention contemplates an improved air flow sensor including a proximity switch which has a metal disk mounted with respect to the sensing face to be movable by air flow in the action zone of the magnetic field as between a position adjacent the sensi... | 08/29/1989 |
| 4656874 | Flowmeter with electronically adjustable measurement module and display A flowmeter has a vertical flow tube with a float member therein and an electrically illuminatable display to provide a vertically graduated scale. The numeric scale indicia are preferably provided by a multiplicity of cell clusters, each comprised of one... | 04/14/1987 |
| 4619139 | Flow meter with displaceable flow rate indicator A flow meter includes a transparent tubular housing in which an indicator in the form of a piston having a radially expanded edge cooperates with a tapered inner peripheral wall portion of the housing. The housing can include scale indicia of flow rates c... | 10/28/1986 |
| 4584997 | Volumetric flow gauge A volumetric flow gauge is provided for use particularly with ambulatory oxygen users who receive oxygen on a continuous or semi-continuous basis from an oxygen tank communicating to the patient through a line terminating in a two-tip nasal cannula, the t... | 04/29/1986 |
