Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Application No. | Application Title | Issue Date |
| 20120067542 | MEASURING DEVICE FOR A HEAT EXCHANGER A measuring device for a heat exchanger includes a pressure pipe arrangement that is spaced using webs and that has a heating side and an isolation side and that is implemented with at least one heat flow sensor. A heat flow sensor is arranged on the heating side in suc... | 03/22/2012 |
| 20120042715 | Advanced micro flow sensor Multiple flow sensors in an array are provided to achieve wide dynamic range, low detection limit, and potentially low cost. Each flow sensor can measure the flow rate of surrounding fluid, among other fluid parameters. The flow sensor can be rendered active by inclusio... | 02/23/2012 |
| 20110302996 | FLUID PROBE A device for detecting a property of a fluid includes a body region and a flexible element having a first end and a second end. The first end is fixedly located on the body region. The flexible element is arranged to move from at least a first configuration to a second ... | 12/15/2011 |
| 20110296910 | THERMAL FLUID FLOW APPARATUS Provided is a compact apparatus for measuring the flow rate of a fluid. The apparatus includes a heated measure element and a heated reference element which are in substantially the same thermal environment within a measure cell, except that the measure element is situa... | 12/08/2011 |
| 20110301848 | METHOD OF DIAGNOSING FLOW AND DETERMINING COMPOSITIONAL CHANGES OF FLUID PRODUCING OR INJECTING THROUGH AN INFLOW CONTROL DEVICE A method of diagnosing flow through an inflow control device includes, producing or injecting fluid through an inflow control device, measuring temperatures near or at the inflow control device over time while producing or injecting fluid therethrough, and attributing t... | 12/08/2011 |
| 20110259097 | DEVICE FOR DETECTING A PROPERTY OF A FLOWING FLUID MEDIUM A device for detecting at least one property of a flowing fluid medium is proposed, in particular for detecting an air mass flow of an intake air mass. The device includes at least one sensor housing which may be at least partially introduced into the flowing fluid medi... | 10/27/2011 |
| 20110217208 | MEASURING FLOW PROPERTIES OF MULTIPLE GAS NOZZLES OF A GAS DISTRIBUTOR A gas nozzle measurement apparatus comprises a controllable gas source to provide across a gas plate having gas nozzles, a flow of gas at a constant pressure or constant flow rate, and a sensor plate sized to cover an area comprising at least a portion of the front face... | 09/08/2011 |
| 20110192224 | SUPERHEAT SENSOR A superheat sensor (1) for sensing superheat of a fluid flowing in a flow channel (3) is disclosed. The sensor (1) comprises a flexible wall defining an interface between an inner cavity (5) having a charge fluid (6) arranged therein a... | 08/11/2011 |
| 20110167902 | CONSTANT TEMPERATURE ANEMOMETER A constant temperature anemometer is disclosed. The anemometer includes electrically conductive pins including a first set of pins and a second set of pins. A conductor is coupled to the electrically coupled pins. A current source is configured to provide a current thro... | 07/14/2011 |
| 20110100114 | Thermal Loop Flow Sensor A flow sensor includes a fluidic component, such as a tube, a heat source, an upstream temperature sensor, and a downstream temperature sensors. The fluidic component defines a flow path having inlet and outlet ends disposed closer to each other than to a mid-point of t... | 05/05/2011 |
| 20110030461 | Measuring Device A measuring device for detecting the amount of moisture in and the temperature of a flowing medium is disclosed. Flow-directing elements which mix the flowing medium and direct it in a desired direction are arranged in the measuring device. The average temperature of th... | 02/10/2011 |
| 20110016954 | System and method for screening liquid compositions Disclosed herein is a system and method for screening a liquid composition. The system includes (a) a test cell having a top portion and a bottom portion, the test cell comprising (i) a test panel removably mounted to the top portion of the test cell at an angle of betw... | 01/27/2011 |
| 20110005311 | TEMPERATURE SENSOR AND METHOD FOR ITS MANUFACTURE A thermal, flow measuring device for determining and/or monitoring flow of a measured medium through a measuring tube. The thermal, flow measuring device includes: a first pin-shaped shell and at least a second pin-shaped shell; a first resistance thermometer and at lea... | 01/13/2011 |
| 20100326539 | Thermal Flow Sensor with Zero Drift Compensation One embodiment of the present invention comprises a thermal flow sensor having a first capillary tube coupled to a mass flow controller main flow line across a mass flow controller bypass. A first pair of sensing elements is coupled to the first capillary tube. The ther... | 12/30/2010 |
| 20100319463 | SUBSTANCE DETECTION DEVICE AND METHOD OF REMOVING BLOCKAGES A substance detection device including a chemical substance analyzer, including, a conduit, and a membrane, wherein the membrane extends across a cross-section of the conduit, wherein the membrane is positioned to have one side and an analysis side opposite the one side... | 12/23/2010 |
| 20100319450 | METHOD AND APPARATUS TO DEFINE THE VELOCITY OF A FLOWING FLUID To determine as precisely as possible the flow rate of a liquid flow inside a tube by means of minimal technical and especially minimal apparatus complexity the invention provides with a procedure and an apparatus to determine it. In this process the liquid is heated by... | 12/23/2010 |
| 20100294021 | Fluid Identification Device and Fluid Identification Method A fluid identification device of long life for identification of a target fluid. The device uses at least two liquid type detection parts each of which is equipped with both of a temperature detector and a heating element, selects electrical conduction to any one of the... | 11/25/2010 |
| 20100281953 | LINE LEAK DETECTOR AND METHOD OF USING SAME An apparatus for detecting a leak in a conduit line includes a housing in fluid communication with the line, a valve including a valve seat and a valve element movable relative to the seat between opened and closed positions, a bypass line around the valve, a flow detec... | 11/11/2010 |
| 20100251815 | THERMAL FLOW SENSOR WITH TURBULENCE INDUCERS A flow sensor (100) is disclosed provided with a body (102) with a first opening (128) and a second opening (130) and a flow pathway (103) coupling the first opening (128) to the second opening (130). At least one thermal... | 10/07/2010 |
| 20100223991 | THERMAL FLOW METER The thermal flow meter comprises heating means for increasing the temperature in the vicinity of a temperature-sensitive element on a sensor chip that is provided with a pair of temperature-sensitive elements (Ru and Rd) to a particular temperature above the temperature... | 09/09/2010 |
| 20100206046 | FLOW-THROUGH PRESSURE SENSOR APPARATUS A flow-through pressure sensor apparatus that reduces the dead space of a flow tube utilized to provide fluid communication between a pressure sense die and a fluid and with an absolute minimum trapped volume. A cover (e.g., plastic) with two-molded ports can be added t... | 08/19/2010 |
| 20100154561 | Integrated Multi-Beam Acoustic Doppler Discharge Measurement System A system and method for measuring the flow of water in cross-section of a body of water is presented. The system and method comprises a housing having a first transducer and a plurality of second transducers, wherein the first transducer produces an acoustic signal for ... | 06/24/2010 |
| 20100147068 | Method and measuring system for determining and/or monitoring an aggregate state change of a measured medium on a thermal, flow measuring device A for determining and/or monitoring aggregate state changes on a thermal, flow measuring device of at least a first part of a measured medium, wherein, by means of the temperature of the medium being measured, by means of the chemical composition of the medium being mea... | 06/17/2010 |
| 20100139389 | SENSOR, SENSOR TEMPERATURE CONTROL METHOD AND ABNORMALITY RECOVERY METHOD A heater pattern is arranged on at least one substrate among substrates configuring a package, and a temperature in the package is controlled by controlling a quantity of electricity carried to the heater pattern corresponding to the ambient temperature of a sensor chip... | 06/10/2010 |
| 20100116048 | Thermal Flow Meter A thermal flow meter for use in dialysis is described, that uses a thermal wave to generate a signal in the fluid for which the flow rate is to be measured. The phase angle of the thermal wave signal changes when traversing downstream. The phase difference between the s... | 05/13/2010 |
| 20100107755 | CALORIMETRIC FLOW METER A flow meter 200 comprises heating means 203 is for heating a fluid flow 202 along a membrane 201 and a temperature difference, ΔT, is measured between and upstream point Tup and a downstream point Tdown—There are additionally provided str... | 05/06/2010 |
| 20100089118 | Method for measuring a fluid composition parameter by means of a flow sensor The flow of a fluid of unknown composition is measured by leading the fluid over a first temperature sensor, a heater and a second temperature sensor. The temperature difference DTP between the temperature sensors is measured, as well as the temperature T of at least on... | 04/15/2010 |
| 20100089145 | DEVICE AND METHOD FOR MEASURING THE FLOW SPEED AND DIRECTION OF A GASEOUS FLUID A device for measuring the flow speed of a fluid as well as its direction and its orientation, based on a thermal-sensor measurement principle, that comprises at least three flow measurement probes each having a sensitive member and an obstacle masking a predetermined m... | 04/15/2010 |
| 20100064799 | PLUG-IN SENSOR HAVING IMPROVED FLUID MECHANICS A plug-in sensor for determining an aspirated air mass of an internal combustion engine flowing through a flow pipe has a plug part, which is able to be introduced into the streaming medium with a specified orientation to the main flow direction. Provided in this plug p... | 03/18/2010 |
| 20100037688 | FLOWMETER Provided is a flowmeter which performs stable large flow volume measurement with improved linearity without increasing sizes of the entire apparatus. The flowmeter is provided with a flow tube (2); a cooling apparatus (3) for partially cooling the flow tub... | 02/18/2010 |
| 20100006599 | APPARATUS AND METHODS FOR MONITORING QUANTITIES OF FLUID IN A CONTAINER The present technology relates to a volumetric measurement device and various methods for operation of the device. The device comprises at least one accelerometer for detecting the angle of tilt/tip of a container. The device also comprises at least one fluid property p... | 01/14/2010 |
| 20090320563 | DEVICE FOR MEASURING PERMEATE FLOW AND PERMEATE CONDUCTIVITY OF INDIVIDUAL REVERSE OSMOSIS MEMBRANE ELEMENTS The present disclosure relates to a system comprising integrated sensors (169, 170) for measurement of permeate flow and permeate conductivity of individual membrane elements (163) while they are in operation in an RO unit. The flow and conductivity measur... | 12/31/2009 |
| 20090255332 | THERMAL INSPECTION SYSTEM AND METHOD A thermal inspection method is provided for a component comprising at least one complex internal passage arrangement defining at least one opening. The thermal inspection method includes flowing a fluid through the at least one complex internal passage arrangement. The ... | 10/15/2009 |
| 20090249888 | Device for Determining a Mass Flow A device is provided for determining a mass flow of a first gas flowing in a flowing channel of an internal combustion engine of a motor vehicle. The device includes: sound transducers arranged at respective ends of a measuring path for providing sound signals, a temper... | 10/08/2009 |
| 20090241687 | Multi-Vortex Flowmeter Employing Volume Flow Rate as Switching Point A multi-vortex flowmeter (1) includes a vortex flowmeter for measurement by volume flow rate and a thermal flowmeter for measurement by mass flow rate to selectively use the two flowmeters according to the flow rate of fluid to be measured flowing through a flow ... | 10/01/2009 |
| 20090193887 | Temperature-Measuring Device A temperature-measuring device with a sensing head and a pipe piece is disclosed. The sensing head is embedded in the pipe piece. The pipe piece is provided for conducting a medium whose temperature is detected by the sensing head.... | 08/06/2009 |
| 20090165565 | Method of Determining the Viscosity of a Fluid A method is used to determine the viscosity of a fluid. The method includes arranging a body (11) in a fluid-leading channel, with which vortices form in the flow direction (10) therebehind, which are detected with regard to measurement technology. Also, t... | 07/02/2009 |
| 20090126714 | Temperature control apparatus and method for a barbeque grill A temperature control system for controlling the rate of flow of a flammable fluid at generally constant pressure is disclosed. The system may include a flow control apparatus that is free of a regulator mechanism, for affecting the flow of the fluid. The flow control a... | 05/21/2009 |
| 20090120206 | Explosion-Proof High Temperature Compatible, Multi-Vortex Flow Meter A temperature-sensitive sensor (21) and a heating temperature-sensitive sensor (22) are fixed in position in a liquid-tight fashion by welding, with the metal tubular bodies (36 and 37) being inserted into the tubular body insertion holes ( 05/14/2009 | |
| 20080307879 | Method for Control of a Thermal/Calorimetric Flow Measuring Device A method for control of a thermal, or calorimetric, flow measuring device, which ascertains and/or monitors, by means of two temperature sensors, the flow of a measured medium through a pipeline or measuring tube in a process, wherein the current temperature (Ti 12/18/2008 | |
