| Patents for G01K 3 - Thermometers giving results other than momentary value of temperature (2,751) |
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| 06/19/1991 | EP0432486A1 Helmet for monitoring thermal conditions therein |
| 06/15/1991 | WO1991009287A1 Time-temperature indicator |
| 06/15/1991 | CA2076393A1 Time-temperature indicator |
| 06/12/1991 | EP0293441B1 Improvements relating to optical sensing systems |
| 06/04/1991 | US5021981 Thermal memory cell and thermal system evaluation |
| 06/04/1991 | US5021060 Nipple assembly with alarm buzzer and body temperature indicator (II) |
| 05/28/1991 | US5019760 Thermal life indicator |
| 05/28/1991 | US5019095 Nipple assembly with alarm buzzer and body temperature indicator |
| 05/16/1991 | WO1991006838A2 Electrical expiry indicator |
| 05/14/1991 | CA2029772A1 Assembly for monitoring thermal conditions within a helmet |
| 05/08/1991 | DE3936543A1 Elektrischer verfallsindikator Electrical decaying indicator |
| 04/10/1991 | EP0421066A1 Method and apparatus for estimating the mean temperature of a brake component |
| 04/02/1991 | CA1282473C Method and device for detecting the temperature to which a solid, a gas or a liquid may have been subjected |
| 04/02/1991 | CA1282285C Time duration indicator systems, and also products containing such indicator systems having a limited duration of use or life |
| 03/07/1991 | DE3929520A1 Danger warning device for cattle stalls - shows measured difference between internal and external temp. as moving light strip |
| 02/21/1991 | WO1991002230A1 Chill-hour meter |
| 02/20/1991 | EP0413578A1 Temperature history indicator |
| 02/19/1991 | US4994792 Fluid temperature monitoring system |
| 02/19/1991 | US4993843 Method and device for detecting the temperature to which a solid, a liquid or a gas may have been subjected |
| 01/23/1991 | EP0409635A2 Monolithic resistor comparator circuit |
| 12/27/1990 | EP0404567A1 Temperature reference junction for a multichannel temperature sensing system |
| 11/15/1990 | WO1990013411A1 Sleeve-shaped weld connecting piece of thermoplastic material with weld indicator element, and welded joint formed therewith |
| 11/14/1990 | CN2065714U Steam boiler thermal parametre measuring device |
| 11/13/1990 | US4969749 Apparatus and method for measurement of average temperature change in a storage tank |
| 10/24/1990 | EP0393814A1 Temperature sensor for an electrical load resistor |
| 10/24/1990 | EP0267251B1 Method and device for detecting the temperature to which a solid, a liquid or a gas may have been subjected |
| 10/24/1990 | CN1046387A Computerized device for measuring and analyzing temp of acupoint |
| 09/20/1990 | DE3907683A1 Indikator, verfahren zu seiner herstellung sowie seine verwendung Indicator, process for its preparation and its use |
| 09/12/1990 | CN1009572B Mfg. heat-sensitive indicator for autoclaving |
| 09/10/1990 | WO1990010868A1 Indicator, process for obtaining it and its use |
| 09/10/1990 | CA2050280A1 Indicator, process for obtaining it and its use |
| 08/22/1990 | EP0382980A2 Thermal memory cell and thermal system evaluation |
| 06/28/1990 | DE3843233A1 Temperature sensor for an airflow |
| 06/22/1990 | CA2006043A1 Thermal memory cell and thermal system evaluation |
| 06/05/1990 | US4931420 Temperature history indicator and its manufacturing method |
| 05/29/1990 | US4929090 Temperature history indicatiang label |
| 05/23/1990 | EP0369530A2 Temperature sensing circuit |
| 05/09/1990 | EP0366953A1 Abnormal thermal loading effects monitoring system |
| 05/09/1990 | EP0366817A1 Temperature-monitoring circuit in a monitoring device |
| 05/09/1990 | CN1007931B Temp. monitoring system for an electric generator |
| 05/08/1990 | US4924212 Temperature threshold detection circuit |
| 05/03/1990 | WO1990004765A1 Temperature history indicating label |
| 05/01/1990 | US4921636 Time duration indicator systems, and also products containing such indicator systems having a limited duration of use or life |
| 04/17/1990 | US4917503 Monitoring freshness of perishable products |
| 04/03/1990 | US4914288 Optical sensing system with averaging circuit |
| 03/28/1990 | EP0360333A2 Temperature threshold sensing circuit |
| 03/01/1990 | DE3922490A1 Temp. limit transducer for high voltage system - has optical conductor contacted by optical thermoswitch's expanding material above switching temp. |
| 02/27/1990 | US4904091 Device for measuring the average temperature of a test material |
| 02/13/1990 | US4901061 Instrumentation and monitoring systems employing differential temperature sensors |
| 02/13/1990 | US4901060 Increasing temperature warning device |
| 11/21/1989 | US4882564 Remote temperature monitoring system |
| 11/21/1989 | US4881406 Apparatus and method for taking measurements while drilling |
| 10/11/1989 | CN1036262A Mfg. heat-sensitive indicator for autoclaving |
| 09/12/1989 | US4865044 Temperature-sensing system for cattle |
| 09/06/1989 | EP0330915A2 Flow sensor |
| 09/05/1989 | US4863279 Operative temperature sensing system |
| 08/22/1989 | US4859076 Differential temperature sensors |
| 08/08/1989 | US4854723 Full-range temperature indicator device and circuitry |
| 07/26/1989 | EP0325024A2 Monitoring the efficiency of liquid pumps |
| 07/25/1989 | US4851954 Monitoring apparatus for monitoring temperature in a circuit arrangement |
| 07/04/1989 | US4844622 Resettable reusable time temperature recording thermometer |
| 06/27/1989 | US4843577 Electronic clinical thermometer |
| 06/27/1989 | US4842417 Method and apparatus for indirectly measuring a solid-liquid interface equilibrium temperature |
| 05/30/1989 | US4834017 Time-temperature integrating indicator for monitoring the cooking process of packaged meats in the temperature range of 85-100 degrees celcius |
| 04/19/1989 | EP0112881B1 Composition having regulated occurrence of opacity and clarity at selected temperatures and method of making the same and also use of the composition |
| 04/04/1989 | USH630 Aging gauge |
| 03/14/1989 | US4812053 Activatable time-temperature indicator |
| 03/08/1989 | EP0306396A1 Temperature threshold detection circuit |
| 02/14/1989 | US4805188 Time-temperature indicator |
| 02/14/1989 | US4804275 Indicator device for indicating the time integral of a monitored parameter |
| 01/26/1989 | WO1989000680A1 Device for indicating the position of a fluid which spreads through a body |
| 01/24/1989 | US4800371 For protecting water pipes subjected to freezing temperatures |
| 01/18/1989 | CN2031092U Thermometer for temperature defferences |
| 01/18/1989 | CN1030479A Differential temp. sensor and instrumentation system incorporating same for detecting presence of water |
| 01/04/1989 | CN2030320U Electronic admeasuring instrument for temperature and temp. diffential |
| 01/03/1989 | US4795714 Compositions for controllably releasing alcohols or amines |
| 12/27/1988 | US4793717 Device for visually indicating a pressure or temperature condition |
| 12/21/1988 | EP0295255A1 Cooking indicator |
| 12/21/1988 | CN87214933U Mini test warner for heat presenation & temprature of human body |
| 12/07/1988 | EP0293441A1 Improvements relating to optical sensing systems. |
| 11/29/1988 | CA1245767A1 Temperature monitoring system for an electric generator |
| 11/22/1988 | US4786773 Systems and methods for determining doneness of microwave-heated bodies |
| 11/15/1988 | CA1244658A1 Meter for intergrating the operating time of a steam trap |
| 10/12/1988 | EP0286193A2 Apparatus for measuring the heat contents of a tank filled with liquid |
| 10/12/1988 | CN87102499A Digital temperature-difference instrument |
| 09/15/1988 | DE3707181A1 Method and device for measuring heat flow density or the temperature gradient |
| 09/14/1988 | EP0281843A2 Apparatus for monitoring temperatures of implements during brazing |
| 09/13/1988 | US4770543 Device in a motor vehicle for indicating the outside temperature |
| 08/23/1988 | US4765183 Apparatus and method for taking measurements while drilling |
| 08/03/1988 | EP0276335A1 Environmental indicator device and method |
| 08/03/1988 | CN87213554U Intellecturized meter for temp. measurement and oxygen quantitation |
| 07/21/1988 | DE3700466A1 Device for measuring temperature differences |
| 07/14/1988 | WO1988005160A1 Integrating temperature-averaging sensor |
| 06/30/1988 | DE3643047A1 Device having at least one temperature sensor |
| 06/22/1988 | EP0272089A2 Monitoring the heating of microwave-heated bodies |
| 06/21/1988 | US4752770 Apparatus for monitoring temperatures of implements during brazing |
| 06/16/1988 | WO1988004407A1 Improvements relating to optical sensing systems |
| 06/09/1988 | DE3641909A1 Arrangement for measuring the mean value of physical quantities of media flowing in a duct |
| 05/24/1988 | US4746223 Meter for integrating the operating time of a steam trap |
| 05/18/1988 | EP0267251A1 Method and device for detecting the temperature to which a solid, a liquid or a gas may have been subjected. |