| Patents for G01K 11 - Measuring temperature based on physical or chemical changes not covered by group , , , or (8,790) |
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| 10/31/1991 | WO1991016585A1 Alarm system for temperature supervision |
| 10/25/1991 | CA2015351A1 Heat actuated game |
| 10/23/1991 | EP0452394A1 Control monitor for a deep-frozen product or a product whose conservation temperature is to be controlled |
| 10/23/1991 | CN1055599A Ultrasonic thermometry and ultrasonic water thermometer |
| 10/22/1991 | US5058999 Liquid crystal device having distinguishing means |
| 10/17/1991 | DE4010716A1 Ascertaining temp. of internal vol. of object - picking up thermic noise non-destructively and deriving electric signal using electroacoustic transducer |
| 10/16/1991 | EP0451514A2 Measurement of conductive layers of a semiconductor wafer |
| 10/15/1991 | US5057431 Device for optical measuring of physical dimensions and material concentrations |
| 10/15/1991 | CA1290593C Mounting and isolation system for tuning fork temperature sensor |
| 10/15/1991 | CA1290589C Sensing strain and temperature |
| 10/10/1991 | DE4027538A1 Electrical power cable with integrated fibre=optic element - providing data transmission and monitoring of cable temp. for use with middle to high voltage |
| 10/08/1991 | US5054935 Temperature-measuring method and distributed optical fiber temperature sensor |
| 10/08/1991 | CA1290147C Liquid crystal temperature sensor and materials |
| 10/01/1991 | US5053781 High resolution passive microwave sensors for earth remote sensing |
| 10/01/1991 | US5052820 Thermal refractive materials for optical sensor application |
| 10/01/1991 | CA1289793C Microcurved optic fiber sensor |
| 09/25/1991 | EP0447633A2 Object with a temperature-indicator |
| 09/24/1991 | US5051595 Fiber optic flame detection and temperature measurement system employing doped optical fiber |
| 09/24/1991 | CA1289628C Systems and methods for determining doneness of microwave-heated bodies |
| 09/10/1991 | USRE33686 Urine specimen collectors and method of detecting spurious urine specimens |
| 09/10/1991 | US5046447 Limit sensing indicator |
| 09/05/1991 | WO1991013326A1 Optic temperature sensor |
| 09/03/1991 | US5044769 Temperature sensors |
| 09/03/1991 | US5044765 Optical heat flux gauge |
| 08/28/1991 | EP0443909A1 Method and optical system for measuring the air temperature by laser excitation, especially in front of an air-ship |
| 08/27/1991 | US5043585 Method and apparatus for measurement of the fluorescence relaxation period of a fluorescent substance |
| 08/22/1991 | WO1991012545A1 Method for producing an index lattice in an optical fibre, and a quasi-distributed sensor array formed therein |
| 08/20/1991 | US5041816 Freezer alarm system with two sensor models |
| 08/20/1991 | US5040415 Nonintrusive flow sensing system |
| 08/14/1991 | EP0441693A1 Method for making an index grating in an optical fibre, and quasi-distributed sensor network realized in this fibre |
| 08/14/1991 | EP0441687A1 Method and apparatus for accurately measuring the distance to a surface |
| 08/14/1991 | EP0440668A1 A sensing method employing a fibre optic sensor system. |
| 08/06/1991 | US5036703 Method and apparatus for testing liquid fillings in tanks |
| 08/06/1991 | CA2035119A1 Method and apparatus for accurately measuring the distance to a surface |
| 08/06/1991 | CA1287234C Temperature measurement |
| 08/05/1991 | WO1999039197A1 Substrate for packaging perishable goods or for application onto same and method for determining the quality of said goods |
| 07/30/1991 | US5036194 Lens system for optic temperature sensor |
| 07/30/1991 | US5035513 Fluorescent material temperature sensor |
| 07/30/1991 | US5035511 Distributed fiber optic temperature sensor based on time domain transmission |
| 07/30/1991 | CA1287109C Microwave radiometer |
| 07/23/1991 | US5034233 Frozen plug with tension loading indicator which moves when the stopper thaws |
| 07/18/1991 | DE4000945A1 Measuring temp. and/or temp. variation esp. at soldered joints - by detecting physical change in at least one part e.g. between solder and liq. or malleable states |
| 07/16/1991 | US5032026 Interferometric sensor and use thereof in an interferometric device |
| 07/10/1991 | CN1052946A Mercury temperature sensor with optical fiber |
| 07/09/1991 | CA1285990C Microwave radiometer and methods for sensing atmospheric moisture and temperature |
| 07/02/1991 | US5029194 Method and apparatus for accurately measuring the distance to a surface |
| 07/02/1991 | US5028865 Device having main and secondary optical sensors |
| 07/02/1991 | US5028146 Apparatus and method for measuring temperatures by using optical fiber |
| 06/25/1991 | US5026170 Optical heat flux gauge |
| 06/19/1991 | EP0432262A1 Thermometer |
| 06/18/1991 | US5024535 Semiconductor light source temperature measurement |
| 06/15/1991 | WO1991009287A1 Time-temperature indicator |
| 06/15/1991 | CA2076393A1 Time-temperature indicator |
| 06/12/1991 | EP0293441B1 Improvements relating to optical sensing systems |
| 06/06/1991 | DE3940163A1 Thaw indicator for frozen goods in freezer - has container with multiple chambers, each with liquid of different freezing temp. and colour |
| 06/04/1991 | US5022014 Ultrasonic temperature sensors, and ultrasonic waveguide connectors for use therewith |
| 06/04/1991 | US5020920 Inhomogeneities |
| 05/29/1991 | EP0429081A2 Silicon wafer temperature measurement by optical transmission monitoring |
| 05/28/1991 | US5019456 Article which can change its shape |
| 05/28/1991 | US5018874 Temperature monitoring device containing at least one element of an alloy which memorizes its shape |
| 05/23/1991 | CA2030572A1 Silicon wafer temperature measurement by optical transmission monitoring |
| 05/22/1991 | EP0428478A1 Ceramic Filterbody with indicator for preheating |
| 05/22/1991 | CN2077259U Flat stethoscope receiver also used for measuring temp. |
| 05/08/1991 | WO1991006847A1 Nmr thermal analyser |
| 05/08/1991 | CA2067107A1 Nmr thermal analyser |
| 05/07/1991 | US5012809 Fiber optic catheter system with fluorometric sensor and integral flexure compensation |
| 05/03/1991 | CA2028435A1 Preheat indicator |
| 05/02/1991 | WO1991005655A1 Method of manufacturing laminated adhesive film having heat sensitive color developing function and product thereby |
| 04/24/1991 | EP0423903A2 Spectral modulation sensor having an optically resonant structure and optical measuring devices using the same |
| 04/23/1991 | US5009513 Method of measuring quantity of heat applied to optical fiber |
| 04/23/1991 | US5009505 Optical sensor for determining changes in a dimension and/or a temperature of an object |
| 04/23/1991 | US5009232 Extracorporeal lithotripsy apparatus using high intensity shock waves for calculus disintegration and low intensity shock waves for imaging |
| 04/18/1991 | WO1991005230A1 Optical fibre cable for detecting a change in temperature |
| 04/17/1991 | EP0422696A2 Luminous horizontal roadway marking strips, and method and devices for forming such luminous horizontal roadway markings |
| 04/17/1991 | EP0422695A2 A system comprising roadway marking strips |
| 04/17/1991 | EP0422694A2 Luminous horizontal roadway marking strips, and method and devices for forming such luminous horizontal roadway markings |
| 04/16/1991 | US5008136 Temperature indicating paint and method of preparing a specimen with the same |
| 04/10/1991 | EP0421967A1 Optical fibre cable for detecting a change in temperature |
| 04/09/1991 | US5005984 Optical heat flux gauge |
| 04/02/1991 | US5004913 Remote measurement of physical variables with fiber optic systems - methods, materials and devices |
| 04/02/1991 | CA1282473C Method and device for detecting the temperature to which a solid, a gas or a liquid may have been subjected |
| 03/19/1991 | US5000540 Sensing system using optical fibers |
| 03/12/1991 | US4999615 Device for detecting the exceeding of a temperature threshold |
| 03/12/1991 | US4999101 Preheat indicator |
| 03/12/1991 | US4998827 Cold indicator for controlling the cooling or freezing of foods, medicines and the like |
| 03/07/1991 | WO1991002946A1 A sensing method employing a fibre optic sensor system |
| 03/05/1991 | US4997286 Apparatus for measuring temperature using a sensor element |
| 02/28/1991 | DE3927753A1 Traffic warning sign for ice or scolding danger - has temp.-dependent coating transparent at normal temp. otherwise becoming opaque and/or coloured |
| 02/26/1991 | US4996104 Indicating changes in temperature on lable prints of packages |
| 02/19/1991 | US4993868 Continuous prefabricated road-marking tape with composite structure and passive and active optical effect completely independent from outside investment and external energy source |
| 02/19/1991 | US4993843 Method and device for detecting the temperature to which a solid, a liquid or a gas may have been subjected |
| 02/13/1991 | EP0412687A1 Liquid crystal temperature responsive display device |
| 02/06/1991 | EP0411054A1 Temperature and pressure monitors utilizing interference filters |
| 02/05/1991 | US4990925 Interferometric radiometer |
| 02/05/1991 | US4990379 Heat recoverable article |
| 01/30/1991 | CN2070439U Infrared ray axle temp. transducer |
| 01/30/1991 | CA2020669A1 Sensing systems |
| 01/29/1991 | US4988212 Fiberoptic sensing of temperature and/or other physical parameters |
| 01/23/1991 | EP0409566A1 Thermal indicators for smoking articles |
| 01/23/1991 | EP0409166A2 Apparatus for detecting operating condition of internal-combustion engine |