Bizarre Patents
An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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 |
| 7461540 | Metal-oxide gas sensor A gas sensor has a dielectric base having a face, a heater element on the face, electrodes connected to the heater element, and a gas sensor element on the heater element that when heated changes impedance when in contact with a predetermined gas. The element is in ... | 12/09/2008 |
| 7418855 | Gas sensor and control method therefor A gas sensor includes a gas detection chamber into which a detection gas is introduced, a detecting element and a compensating element each disposed in the gas detection chamber, a detection device which detects the concentration of a detection target gas contained ... | 09/02/2008 |
| 7399118 | Thermal gas flowmeter comprising a gas quality indicator The invention relates to a method and a device for measuring a gas consumption by means of a gas meter. A gas meter with thermal mass flow sensor for determining mass flow signals (SM) and with a calibration as energy meter for outputting energy value sig... | 07/15/2008 |
| 7360395 | Gas sensor A gas sensor which includes walls delimiting a gas detection chamber, and having an introduction port (or an inlet) through which an observed gas is introduced into the gas detection chamber, a measuring element disposed in the gas detection chamber and measuring co... | 04/22/2008 |
| 7309022 | Substance shutoff device and fuel cell There is provided a substance shutoff device for shutting down the communication of at least one of an inflammable substance and an oxidizer when the inflammable substance and the oxidizer are brought into contact with each other to thereby prevent further contact b... | 12/18/2007 |
| 7282384 | Thermoelectric transducing material thin film, sensor device, and its manufacturing method The present invention provides an SiGe-based thin film, a method for manufacturing this thin film, and applications of this thin film. The present invention relates to a method for producing, by sputtering, an SiGe-based semiconductor thin film to serve as a member ... | 10/16/2007 |
| 7228725 | Thin film gas sensor configuration A gas sensor for sensing a gas stream constituent includes, mounted a substrate, a first gas-sensing element capable of sensing the constituent in a first concentration range, a reference element insensitive to the constituent and having electrical properties congru... | 06/12/2007 |
| 7104113 | Miniaturized multi-gas and vapor sensor devices and associated methods of fabrication The invention provides a miniaturized sensor device including a thin film membrane having a first surface and a second surface, one or more resistive thin film heater/thermometer devices disposed directly or indirectly adjacent to the first surface of the thin film ... | 09/12/2006 |
| 7096717 | Control device of gas sensor When the ignition switch of a vehicle is turned OFF, a purging process for increasing the flow of an off-gas fluidizing in each of the outlet side pipings of a fuel cell and discharging water remaining in a fuel cell system to an outside is started to be executed, a... | 08/29/2006 |
| 7061388 | Chemical, biological, radiological, and nuclear weapon detection system comprising array of spatially-disparate sensors and surveillance equipment A chemical, biological, radiological, and nuclear weapon detection system is disclosed that comprises an array of spatially-disparate hazardous material sensors and an array of spatially-disparate video cameras. The telemetry from the sensors and the video feed from... | 06/13/2006 |
| 6973819 | Differential compensated vapor sensor Vapor sensing systems and methods are disclosed. An appliance such as a gas water heater, clothes dryer, and the like can be associated with a controller for controlling the appliance. A vapor sensor is also associated with the appliance, such that the vapor sensor ... | 12/13/2005 |
| 6952946 | Method for the gas chromatographic analysis of a sample, and analyzer In a gas chromatograph, an injected sample for analysis (3) is passed through a separation device (5) to separate components present in the sample; at the end of the separation device, selected components are detected by a detector (12) and dete... | 10/11/2005 |
| 6928858 | Apparatus and method for thermal conductivity detection in gas chomatography equipment A thermal conductivity detector includes separate sample gas and reference gas chambers. Each chamber has a gas inlet and a gas outlet and a sensor. The chambers are connected by at least one passageway. For example, a passageway can extend from the sample gas chamb... | 08/16/2005 |
| 6918283 | System and method for demonstrating and investigating brownian motion effects on a diamagnetically suspended particle An apparatus for demonstrating, investigating and observing Brownian motion and temperature of a medium, such as gas or liquid, uses a small particle which is diamagnetically suspended in the medium. The tiny magnetized particle having a known mass is levitated usin... | 07/19/2005 |
| 6812708 | Combustible-gas measuring instrument A gas detection sensor system including active and reference elements (Rsense, Rref) are arranged in a modified bridge circuit (12, 14, 22, 24) which allows power (Vbat) to be supplied seperately to the active and reference el... | 11/02/2004 |
| 6792794 | Low power gas leak detector A leak detector having a multi-stage concentrator, consisting of an array of heater elements which desorb analytes in a phased manner, in synch with the sample stream, to maximize sensitivity. The heater elements of the concentrator are coated with adsorber material... | 09/21/2004 |
| 6786076 | Thin film gas sensor A gas sensor (22) for detecting the presence of a selected component in a gas (41) includes a substrate (28) exhibiting a low thermal resistance. A heater element (34) is disposed substantially over a surface area of a first surface (3... | 09/07/2004 |
| 6649876 | Methods and apparatuses for automatic process control for firing and biasing heated electrode refrigerant sensors Methods and apparatuses are disclosed for automatic process control of firing and biasing a heated-electrode refrigerant sensor for use in a refrigerant detector. An unfired sensor may be mounted in a manufacturing station, and while remaining mounted may... | 11/18/2003 |
| 6644098 | Heated electrode refrigerant detector utilizing one or more control loop A gas detector for sensing the presence of at least one predetermined gas is operative in conjunction with a electrical power source and includes a detection circuit, a temperature controller, and a electrical current controller, wherein the detection cir... | 11/11/2003 |
| 6622543 | Gas detection sensor A gas detection sensor permits precise measurement of the concentration of flammable gas in a detection or subject gas and the concentration of oxygen in a detection gas containing flammable gases. In the sensor, the heating of the sensor by contact catal... | 09/23/2003 |
| 6612154 | Systems and methods for monitoring or controlling the ratio of hydrogen to water vapor in metal heat treating atmospheres Systems and methods for monitoring a heat treating atmosphere derive from at least one sensor placed in situ in the atmosphere a process variable, which is indicative of the ratio of gaseous hydrogen H2 (g) to water vapor H2 O(g) in ... | 09/02/2003 |
| 6550310 | Catalytic adsorption and oxidation based carbon monoxide sensor and detection method A high-sensitivity carbon monoxide sensor is shown and described. The sensor includes a sensing element having a catalyst dispersed over a metal oxide layer. The catalyst is capable of adsorbing carbon monoxide. The sensing element can also include a heat... | 04/22/2003 |
| 6474138 | Adsorption based carbon monoxide sensor and method A carbon monoxide sensor and method is shown and described. The sensor includes a sensing element that includes an adsorbent dispersed over a support material. The adsorbent is capable of exothermically adsorbing carbon monoxide. The sensor also includes ... | 11/05/2002 |
| 6442996 | Method and apparatus for measuring the calorific value of a gas A method and apparatus for measuring the calorific value of a gas. The apparatus includes a chamber to which a gas in question, for example natural gas, is supplied through an inlet and leaves through an outlet. The speed of sound SoS at ambient temperatu... | 09/03/2002 |
| 6406181 | Temperature sensor A temperature sensor, in particular for a gas sensor, has at least one printed conductor, where a temperature-dependent change in a resistance of the printed conductor is detected and analyzed. The printed conductor has at least one section made of a soli... | 06/18/2002 |
| 6346420 | Method of analyzing a gas mixture to determine its explosibility and system for implementing a method of this kind In this method of analyzing a gas mixture containing at least one inflammable gas to determine its explosibility, a resistive heating element (15) is energized in an analysis enclosure (12) communicating with the gas mixture to be analysed to burn the gas... | 02/12/2002 |
| 6318149 | Method and device for determining the joule-thomson coefficient of a fluid The invention is a method for determining the Joule-Thomson coefficient of a fluid, expressing the temperature variation in relation to a pressure variation thereof. The fluid is injected at a determined injection temperature into a thin tube (8) (prefera... | 11/20/2001 |
| 6308564 | Method and apparatus for determining the quantity and quality of a fluid A method and an apparatus are proposed for determining and/or monitoring the quantity and quality of a fluid in which a lowering of the boiling temperature is symptomatic of a deterioration in quality. For this, the filling level and the condition of the ... | 10/30/2001 |
| 6276192 | Gas detecting sensor and device for controlling ventilation systems There are provided with a gas detecting sensor and a gas detecting device for controlling a ventilation system of a vehicle using the gas detecting sensor. The gas detecting sensor of the present invention includes two kinds of gas sensing layers separate... | 08/21/2001 |
| 6235243 | Gas sensor array for detecting individual gas constituents in a gas mixture A gas sensor array for detecting individual gas constituents in a gas sensor, said array being composed of a carrier member of a non-conductive substrate having a plurality of individual sensor elements formed by semiconductor oxides being applied thereon... | 05/22/2001 |
| 6202472 | Gas sensor with flashback barrier An explosion-proof gas sensor (1) with a flashback barrier (2) permeable to the gas to be measured between the measuring space (4) and the environment in an otherwise gas-impermeable housing (3) is described. The sensor provides reduced response time and ... | 03/20/2001 |
| 6202467 | Hybrid integrated circuit for a gas sensor A hybrid integrated circuit of a gas sensor, comprising a substrate (1) in the form of a ring-shaped peripheral portion (2) and a disk-shaped central portion (3), both being interconnected through three jumpers (4) spaced 120° apart and having three bran... | 03/20/2001 |
| 5987963 | Method of improving the selectivity of a polymer-film gas sensor and a sensor structure for implementing the method The invention relates to a method for improving the selectivity of a polymer film gas sensor. According to the method, the gas sensor is heated and a sensor parameter sensitive to the variable under measurement is recorded. According to the invention, the... | 11/23/1999 |
| 5889198 | Method for detecting and measuring CH4 with GA2 O3 sensor A method for detecting CH4 with a Ga2 O3 sensor, and a method for measuring CH4 concentration with a Ga2 O3 sensor is provided. In order to solve the problem associated with the masking or ... | 03/30/1999 |
| 5813764 | Catalytic differential calorimetric gas sensor A catalytic differential gas combustible microcalorimeter sensor for monitoring the exhaust gas conversion for monitoring the exhaust gas conversion efficiency of a catalytic converter. The catalytic calorimetric sensor disclosed includes a sol-gel proces... | 09/29/1998 |
| 5772321 | Compensation for spacial and temporal temperature variations in a thermal conductivity detector A thermal conductivity detector includes a cavity wall defining a cavity for receiving a quantity of a sample fluid, the cavity wall being subject to a cavity wall temperature that is temporally and spatially variable, and a sensor located in the cavity a... | 06/30/1998 |
| 5773709 | Method and apparatus for thermally inducing circulation of fluid between the interior of a system and a fluid pocket attached thereto A method and apparatus for inducing circulation of a fluid in an interior of a system between such interior and a fluid pocket. The fluid pocket is connected to a fluid access opening of the system for fluid communication between the fluid pocket and the ... | 06/30/1998 |
| 5707148 | Catalytic calorimetric gas sensor Disclosed is a method to make and an apparatus for monitoring the exhaust gas conversion efficiency of a catalytic converter. The catalytic calorimetric sensor disclosed includes a sol-gel processed washcoat and sol-processed catalytically active metal pa... | 01/13/1998 |
| 5580793 | Process and device for determining the para content of a hydrogen gas stream Process and device for determining para content X1 of a hydrogen gas stream, in which temperature T1 as well as pressure p1 of the hydrogen gas stream are measured before its entry into at least adiabatically-operated para... | 12/03/1996 |
| 5535614 | Thermal conductivity gas sensor for measuring fuel vapor content A gas sensor of the thermal conductivity type suitable for the quantitative analysis of the fuel vapor content of a fuel-air mixture. The gas sensor (10) comprises a sensing element (28) and a compensating element (30), each of which includes an electrica... | 07/16/1996 |
