| Patents for G01K 11 - Measuring temperature based on physical or chemical changes not covered by group , , , or (8,790) |
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| 01/22/1991 | US4986671 Three-parameter optical fiber sensor and system |
| 01/22/1991 | US4986654 Method and apparatus for contactless acquisition of data for the locally resolved determination of the density and temperature in a measurement volume |
| 01/17/1991 | DE3921929A1 Single-use catheter with thermo-optical temp. sensor - in fluorescent-crystal form glued into side recess and in contact with optical fibre |
| 01/15/1991 | US4984903 Method of optically and remotely sensing subsurface water temperature |
| 01/10/1991 | WO1991000632A1 Optical carrier generation using stimulated brillouin scattering |
| 01/10/1991 | DE3920157A1 Optical arrangement for temp. measurement - contains optically bistable element and state detector supplied by control signal from source |
| 01/10/1991 | DE3920156A1 Optical system for temp. measurement - includes optically bistable element as measuring probe |
| 01/08/1991 | US4983810 Heating unit with thermochromic region |
| 12/25/1990 | US4980847 Temperature measuring device |
| 12/19/1990 | EP0402962A2 Fibre-optic sensor with a fluorescent substance |
| 12/19/1990 | EP0259412B1 Fibre-optic thermometer or temperature alarm device |
| 12/18/1990 | US4978962 For measuring the brightness temperature |
| 11/27/1990 | US4973853 Remote subsurface water temperature measuring apparatus with Brillouin scattering |
| 11/20/1990 | US4972178 Fire monitoring system |
| 11/20/1990 | US4971068 Blood vessel locating needle assembly with thermochromic indicator |
| 11/13/1990 | US4970385 Temperature measuring device utilizing birefringence in photoelectric element |
| 11/13/1990 | US4970315 Thermochromic indicators for structural elements |
| 11/13/1990 | CA1276078C Distributed sensor and method using coherence multiplexing of fiber-optic interferometric sensors |
| 11/08/1990 | DE3914599A1 Monitoring indicator for deep freeze products - uses container, e.g. bubble or blister, partially filled with indicating liq. and having walls at least partially transparent |
| 10/31/1990 | EP0394408A1 A gas thermometer |
| 10/31/1990 | DE4011485A1 Measuring temp. during coupler welding to solar cell - irradiating solar cell with light, measuring idle voltage, and deriving solar cell temp. |
| 10/24/1990 | EP0267251B1 Method and device for detecting the temperature to which a solid, a liquid or a gas may have been subjected |
| 10/17/1990 | EP0392897A2 Three-parameter optical fiber sensor and system |
| 10/16/1990 | US4963415 Thermochromic composition of a chloropolymer and a zinc salt to change color in response to temperature |
| 10/10/1990 | EP0391782A1 Device to detect the crossing of a temperature-level |
| 10/10/1990 | EP0192659A4 Distributed, spatially resolving optical fiber strain gauge |
| 10/09/1990 | US4962319 Remote subsurface water temperature measuring apparatus with Brillouin scattering |
| 10/03/1990 | CA2013650A1 Device for detecting the exceeding of a temperature threshold |
| 09/27/1990 | DE4006914A1 Thermography of ferromagnetic body, esp. for defectoscopy - using crystal foil magnetically attached to body surface |
| 09/20/1990 | WO1990010854A1 Thermometer |
| 09/20/1990 | WO1990010853A1 Filling medium for sensor systems of temperature and position sensors |
| 09/20/1990 | DE3907683A1 Indikator, verfahren zu seiner herstellung sowie seine verwendung Indicator, process for its preparation and its use |
| 09/19/1990 | EP0387503A2 Device to measure the fluorescence-diminishing-time of a fluorescent substance |
| 09/12/1990 | EP0386198A1 Thermochromic mixtures. |
| 09/12/1990 | CN1009572B Mfg. heat-sensitive indicator for autoclaving |
| 09/11/1990 | CA1273863A1 Process for temperature indication of a heat recoverable article |
| 09/10/1990 | WO1990010868A1 Indicator, process for obtaining it and its use |
| 09/10/1990 | CA2050280A1 Indicator, process for obtaining it and its use |
| 09/07/1990 | WO1990007699A3 Control monitor for a deep-frozen product or a product whose conservation temperature is to be controlled |
| 09/05/1990 | CN1009493B Radiation detection imaging system with frequency spreading collinear array |
| 08/29/1990 | EP0384373A1 Method and apparatus for testing liquid fillings in tanks |
| 08/29/1990 | CN2061280U Reversible thermal sensitive discolour alarm sheet |
| 08/28/1990 | US4952033 Liquid crystal medical device |
| 08/23/1990 | DE3904859A1 Electrically operated appliance for preparing hot beverages, such as coffee, tea or the like |
| 08/14/1990 | US4948958 Remote subsurface water temperature measuring apparatus with brillouin scattering |
| 08/14/1990 | US4947786 Overheated-axle indicator device |
| 08/01/1990 | EP0379941A2 Fluorescence material |
| 07/31/1990 | US4945230 Optical measuring device using a spectral modulation sensor having an optically resonant structure |
| 07/25/1990 | EP0379280A2 Temperature sensors |
| 07/24/1990 | US4942766 Transducer |
| 07/17/1990 | US4941425 Method and device for temperature indication of frozen products |
| 07/12/1990 | WO1990007699A2 Control monitor for a deep-frozen product or a product whose conservation temperature is to be controlled |
| 07/11/1990 | EP0377549A2 Remote measurement of physical variables with fiber optic systems |
| 07/11/1990 | EP0168404B1 Fiber optic structure and method for making |
| 06/27/1990 | EP0297118A4 Improved optical fiber temperature sensor. |
| 06/26/1990 | US4936308 Method and apparatus for measuring acoustic characteristics and temperature |
| 06/13/1990 | EP0190184B1 Interferometric sensor |
| 06/13/1990 | EP0116584B1 Thermochromic composition |
| 06/13/1990 | DE3920840C1 Integrated optical sensor detecting temp. and refraction index changes - has double refractive waveguide in substrate extending along X or Y axis of cut lithium-niobate crystal |
| 06/12/1990 | US4933658 High temperature fluid sensor |
| 06/12/1990 | US4933556 Temperature measuring using neutron transmission |
| 06/12/1990 | US4933525 Microwaveable container having temperature indicating means |
| 06/12/1990 | CA1270125A1 Time division multiplex optical fibre multipoint measuring device |
| 06/06/1990 | EP0371816A2 Sensor using optical fibres |
| 06/05/1990 | US4931420 Temperature history indicator and its manufacturing method |
| 05/29/1990 | US4929091 Temperature sensors |
| 05/22/1990 | US4928005 Multiple-point temperature sensor using optic fibers |
| 05/22/1990 | US4926868 Method and apparatus for cardiac hemodynamic monitor |
| 05/16/1990 | EP0368263A2 Melting indicator to watch over temperature-sensitive products |
| 05/15/1990 | US4925727 Curable temperature indicating composition |
| 05/09/1990 | CN1007930B Measurement of working temp. of cutting-tool by means of x-ray method |
| 05/08/1990 | US4924100 Strain and temperature measurement |
| 05/08/1990 | US4923308 By measuring oxygen concentrations on the surface of silicon carbides or silicon nitrides |
| 05/03/1990 | WO1990004766A1 A gas thermometer |
| 04/25/1990 | CN1041651A 温度传感器 Temperature Sensor |
| 04/24/1990 | US4919983 Thermochromatic infant feeding container |
| 04/19/1990 | WO1990004156A1 Temperature control device including at least one element of shape memory alloy |
| 04/17/1990 | US4918492 Michaelson optical fiber interferometer and its application in particular in the measurement of temperatures |
| 04/11/1990 | EP0363289A1 Temperature control apparatus containing at least one shape memory alloy element |
| 04/11/1990 | EP0362307A1 Ultrasonic temperature measurement and applications in optical spectroscopy and calorimetry. |
| 04/10/1990 | US4916211 Thermochromic cross polymerized polyamide-diacetylene compound |
| 04/03/1990 | US4914288 Optical sensing system with averaging circuit |
| 03/27/1990 | US4911015 Non-electrical monitoring of a physical condition |
| 03/14/1990 | EP0358342A1 A microwave radiometer |
| 03/08/1990 | WO1990002322A1 Parameter measurement using refractive index change |
| 03/08/1990 | WO1990002161A1 Thermochromic mixtures |
| 03/06/1990 | US4906107 Fibre-optic thermometer or temperature alarm device |
| 02/28/1990 | EP0356273A1 Main and secondary optical sensor device |
| 02/28/1990 | EP0355177A1 Apparatus for the contactless desintegration of concrements in a living thing body |
| 02/27/1990 | US4904864 Multi-wavelength time domain reflectometer |
| 02/21/1990 | EP0298091A4 Optical sensors and optical fibre networks for such sensors. |
| 02/20/1990 | CA1265938A1 Temperature measurement |
| 02/13/1990 | US4899671 Method for measuring temperature of hot gases inside a vessel which radiates microwave energy |
| 02/08/1990 | WO1990001170A1 Device with main and secondary optical sensors |
| 02/07/1990 | EP0353654A2 Optical system using a luminescent material sensor for measuring very high temperatures |
| 02/06/1990 | CA1265327A1 Thermochromic composition |
| 01/31/1990 | EP0353189A1 Copper and nickel dihalogenide complexes, process for their preparation and their use |
| 01/31/1990 | EP0352676A2 Temperature sensor |
| 01/24/1990 | EP0352203A2 Method and apparatus for simultaneously measuring in a pipe the density, the concentration, the flowing rate, the delivery and the temperature of a liquid or a pasty fluid by ultrasonic transmission |
| 01/23/1990 | US4895156 Sensor system using fluorometric decay measurements |