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| Number | Title | Issue Date |
| 7564363 | Method and measuring arrangement for monitoring the condition of a grinder stone of a pulp grinder A method and a measuring arrangement for monitoring the condition of a grinder stone of a pulp grinder. A temperature profile for a grinding surface of the grinder stone is determined substantially along the entire length of the grinder stone, a variable representin... | 07/21/2009 |
| 7441453 | System for virtual frost sensor A system for a virtual frost sensor is disclosed including a method for operating the virtual frost sensor. The method includes determining a first temperature indicative of a fluid upstream of the component and determining a second temperature indicative of a fluid... | 10/28/2008 |
| 7439877 | Total impedance and complex dielectric property ice detection system An ice detection system that detects the onset of ice accreation on an aircraft's external surfaces, continuously measures its thickness and growth time history and provides the type of ice, glaze or rime, is disclosed along with an independent way to confirm that t... | 10/21/2008 |
| 7400260 | Optical system and element for detecting ice and water An optical system for detecting ice and water on the surface of an aircraft includes an elongated transparent optical element having first and second end portions. A light source and light detector are disposed in one end of the optical element and a reflective surf... | 07/15/2008 |
| 7400267 | Methods for determining need for treating a vehicle travel surface Methods for determining need for treating a vehicle travel surface include sensing, at a first time, a characteristic of a vehicle travel surface from a mobile sensor. Sensed characteristics include temperature, friction coefficient, material volumetric buildup, e.g... | 07/15/2008 |
| 7369053 | De-icing information system A de-icing information system processes weather data indicating precipitation rate and temperature to determine a check time for a de-icing fluid. The de-icing fluid remains effective if applied after the check time, and the de-icing fluid may not remain effective i... | 05/06/2008 |
| 7355521 | Method and system for heating dies A method and system for monitoring the temperature of dies during the processing of thermoplastics. A non-contact infrared remote sensor is configured to remotely monitor each die of a cuber extruder. The face of the cuber dies is divided into four quadrants. A sens... | 04/08/2008 |
| 7347643 | Road stud Provided herein is a road stud used to recognize the central line or lanes of a road. The road stud is configured in the form of a screw to be securely fixed to and buried in a road. The road stud includes a self generator to light up an illuminating element all the... | 03/25/2008 |
| 7312713 | Methods and systems for detection of ice formation on surfaces A system for detecting ice formation on metal, painted metal and other material surfaces can include a transparent window having an exterior surface upon which ice can form; a light source and optics configured and arranged to illuminate the exterior surface of the ... | 12/25/2007 |
| 7301478 | Vehicle safety warning device Apparatus, methods, system and devices for monitoring road surface temperature to detect hazardous road surface conditions. An indicator provides the sensed road surface temperature and hazardous road condition warning to a driver while a tail light interface automa... | 11/27/2007 |
| 7242310 | Control techniques for shut-off sensors in fuel-fired heating appliances In a flammable vapor sensor-based shut-off system of a fuel-fired water heater the sensor resistance output signal degradation caused by aging of the sensor is automatically compensated for using an operational timer having an output signal indicative of the total l... | 07/10/2007 |
| 7227473 | Thermal sensor A thermal sensor is provided, which is distinguished in that it includes means for removing a deposit on a sensing element of the sensor. In addition, means for detecting the deposit may be provided. The means for removing the deposit are realized by a trigger circu... | 06/05/2007 |
| 7211771 | De-icing system for traffic signals A circuit is disclosed for detecting and eliminating the buildup of snow and/or ice on the viewable face of an LED traffic signal lens. The circuit measures the ambient temperature within the LED signal, and when the temperature falls to a level where snow and/or ic... | 05/01/2007 |
| 7190273 | Joint endoprosthesis with ambient condition sensing A system for monitoring the ambient conditions of a mammalian joint, and particularly a joint that has been instrumented with a joint endoprosthesis includes a sensor supported by a component of the joint endoprosthesis. The system includes a transmission element th... | 03/13/2007 |
| 7180406 | Onboard fire alert system The method is for warning for alcohol fueled fires in vehicles such as racing vehicles. The method comprises providing a vehicle (44) with an engine (46) fueled by alcohol. Sensors (20, 22, 24) are mounted adjacent to the engine. The sensors sen... | 02/20/2007 |
| 7176805 | System for controlling ignition sources when flammable gas is sensed Upon detection of a flammable gas condition, an intelligent thermostat regulates operation of appliances that have sources of ignition which could be the source of or may ignite the flammable gas. This hazardous condition is detected by a flammable gas detector and ... | 02/13/2007 |
| 7175136 | Method and apparatus for detecting conditions conducive to ice formation A method for detecting ambient conditions conducive to ice formation. The method includes the steps of measuring at least one parameter selected from a group of parameters consisting of a static pressure, a total pressure, a total temperature, a dew point temperatur... | 02/13/2007 |
| 7164365 | Vehicle mounted travel surface and weather condition monitoring system A system and apparatus for detecting and evaluating surface conditions on a road surface and atmospheric conditions simultaneously from a vehicle includes a sensor for detecting the presence of deposited material on a road surface, a detector for determining one or ... | 01/16/2007 |
| 7154398 | Wireless communication and global location enabled intelligent health monitoring system A wireless communication and global location enabled intelligent health monitoring system comprising of a plurality of wireless medical sensor apparatus that include an active sensor, a transducer, a digital-to analog converter, a frequency synthesis, a plurality of... | 12/26/2006 |
| 7135965 | Hazardous condition detection system and method and thermostat for use therewith An intelligent thermostat communicates with threat detectors to allow periodic remote testing of the detector. The real-time clock and calendar functions of the thermostat allow the consumer to program the day, time, and frequency of the testing. The thermostat then... | 11/14/2006 |
| RE39295 | Ice detector configuration for improved ice detection at near freezing conditions An ice detector for an aircraft comprises a strut and probe assembly, and it is positioned on the aircraft so that the pressure field around the ice detector causes a lower temperature region on the probe assembly compared to the aircraft. Ice will therefore form on... | 09/19/2006 |
| 7104502 | Ice detector for improved ice detection at near freezing condition An ice detector for providing a signal indicating ice formation includes a probe protruding into an airflow. The probe extends into the airflow from a strut. The strut has one or more features which allow the probe to accrete ice at a higher temperature than would c... | 09/12/2006 |
| 7091869 | Optoacoustic measuring arrangement and use thereof The measuring arrangement contains a measuring cell and a reference cell, respectively, and microphones assigned to these cells, to which microphones an electronic evaluation circuit is connected and in which a subtraction of the signals of the microphones takes pla... | 08/15/2006 |
| 7056014 | Flexible wired circuit board for temperature measurement A flexible wired circuit board for temperature measurement that can provide an accurate temperature measurement even when placed in a high-temperature atmosphere and can also be provided at a reduced cost. In the flexible wired circuit board for temperature measurem... | 06/06/2006 |
| 7033843 | Semiconductor manufacturing method and semiconductor manufacturing apparatus A semiconductor manufacturing method whereby reactive gas processing such as selective epitaxial growth can be carried out with high precision by correctly adjusting conditions during processing is performed by a semiconductor manufacturing apparatus which can restr... | 04/25/2006 |
| 7031871 | Sensor assembly for determining total temperature, static temperature and Mach number A temperature sensor is provided with at least two thermometers or temperature sensing elements that have different recovery factors, and which are in the same airflow. The recovery factors for the respective thermometers are determined for the sensor and stored in ... | 04/18/2006 |
| 7026921 | Engine temperature monitoring device An engine temperature monitoring device for alerting a vehicle operator that an engine is overheated includes a heat sensor adapted for detecting ambient temperature levels. A processor adapted for monitoring the temperature levels is operational coupled to the heat... | 04/11/2006 |
| 7014357 | Thermal icing conditions detector A sensor for detecting icing conditions in an airstream includes a flow housing mounted on an aircraft and in which one or more probes are mounted. At least one of the probes subjected to impingement of the airstream and liquid moisture droplets in such airstream. T... | 03/21/2006 |
| 7014359 | Temperature measuring device A temperature measuring device is provided which measures the total temperature T1 of an airflow based on the measured temperature T of the airflow flowing over the surface of an approximately blade-shaped casing arranged within the airflow flowing into an en... | 03/21/2006 |
| 7012535 | Battery operated warning sensor An alarm device for signaling when an object reaches a specified condition. The alarm device includes a sensor for detecting the condition of the object. The device further includes a switch element which is closed when the sensor indicates the specified condition. ... | 03/14/2006 |
| 7000871 | Ice detection assembly installed on an aircraft Ice detection assembly (100) designed for installation on an aircraft, comprising a vibrating finger (110) and a mast (120), the vibrating finger (110) extending into the air from the mast (120) and capable of being vibrated by vib... | 02/21/2006 |
| 6977597 | Vehicle mounted travel surface and weather condition monitoring system A system and apparatus for detecting and evaluating surface conditions on a road surface and atmospheric conditions simultaneously from a vehicle is disclosed. The system comprises a sensor for detecting the presence of deposited material on a road surface, a detect... | 12/20/2005 |
| 6972395 | Apparatus and method for tracking the melting of frozen precipitation A snow melting system including a controller, a first heater supplying heat under the control of the controller, the first heater supplying heat at a power density, a moisture detection apparatus located apart from the first heater, the moisture detection apparatus ... | 12/06/2005 |
| 6970100 | Temperature tag and system for monitoring, recording, and reporting temperature readings A temperature tag and system for sensing and reporting an internal temperature reading inside a container. The temperature tag mounts on an outside surface of the container, and a shaft with a temperature sensor extends through the side of the container and senses t... | 11/29/2005 |
| 6954146 | Method for determining a state of a road during the driving mode of a motor vehicle In a method for determining the state of a road during driving of a motor vehicle, the sound which is generated when a vehicle tire rolls on an underlying surface is sensed. A frequency signal is determined by means of a sound level signal which describes the sound,... | 10/11/2005 |
| 6906537 | System for controlling the temperature of an aircraft airfoil component An airfoil temperature control arrangement includes a resistive heater element. A plurality of detectors allow a controller to gather resistance information at various intervals along the resistive heater element. Determining the resistance of the corresponding port... | 06/14/2005 |
| 6900730 | Heat source locator A heat source locator (10) is disclosed having an elongated housing (11) in which is mounted a thermal detector (21), an infrared laser (22), a visible laser (23), and a light bar (25) all coupled directly or indirectly to t... | 05/31/2005 |
| 6897782 | Thermal monitoring of an electric load element A method for monitoring thermal overload of an electric load element in a motor vehicle containing other electric consumers, which can be switched into a stand-by phase is disclosed. The load element is monitored by a control device using a calculated load temperatu... | 05/24/2005 |
| 6885298 | Fuel cell system with a detection system for fire or elevated temperatures A fuel cell system includes a fuel cell stack with single fuel cells stacked together in a fuel cell housing and a detection system for fire or elevated temperatures. The detection system may include a monitoring system; a sensor unit that detects fire or elevated t... | 04/26/2005 |
| 6819232 | Method of changing an air filter of vehicle air conditioning system A method of signaling for a change of an air filter of a vehicle air conditioning system is disclosed. The present invention uses a sensor installed in a conventional air conditioner and the appropriate time for changing the air filter is determined by checking comp... | 11/16/2004 |
