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Class Information
Number: 374/164
Name: Thermal measuring and testing > Temperature measurement (e.g., thermometer) > By electrical or magnetic heat sensor > With preheated sensing probe
Description: Subject matter included a housing having the thermal sensing element and an element for heating the housing to assist in the temperature determination.

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
6000846 Medical thermometer Dec. 14, 1999
5997174 Method for determining a thermal parameter of a device by measuring thermal resistance of a substrate carrying the device Dec. 7, 1999
5986261 Tapered structure suitable for microthermocouples microelectrodes, field emission tips and micromagnetic sensors with force sensing capabilities Nov. 16, 1999
5929438 Cantilever and measuring apparatus using it Jul. 27, 1999
5925815 Method and device to measure fluid parameters Jul. 20, 1999
5884235 Non-contact, zero-flux temperature sensor Mar. 16, 1999
5814721 Fluid boiling point analyzer Sep. 29, 1998
5775809 Vehicle compartment temperature recorder Jul. 7, 1998
5753803 Apparatus and methods for maintaining a substantially constant temperature in a thermal proximity sensor May. 19, 1998
5733042 Device and method for testing an optical element subjected to radiation Mar. 31, 1998
5722772 Quench cooling effectiveness apparatus for continous monitoring Mar. 3, 1998
5709470 Method and apparatus for detecting ice buildup Jan. 20, 1998
5656190 Controller for a heater for an air-fuel ratio sensor and a method thereof Aug. 12, 1997
5645349 Noncontact active temperature sensor Jul. 8, 1997
5634720 Multi-purpose multi-parameter cardiac catheter Jun. 3, 1997
5632555 Medical thermometer May. 27, 1997
5544953 Rolling-ball thermoelectric potential probe and housing for nondestructive testing of metallic and semiconductor objects Aug. 13, 1996
5527110 Method and apparatus for detecting asperities on magnetic disks using thermal proximity imaging Jun. 18, 1996
5441343 Thermal sensing scanning probe microscope and method for measurement of thermal parameters of a specimen Aug. 15, 1995
5418522 System for indicating and signaling the presence of snow and ice May. 23, 1995
5380091 Indicating device Jan. 10, 1995
5360266 Control and analysis circuit device for measuring reaction heat Nov. 1, 1994
5348394 Method and apparatus for measuring fluid thermal conductivity Sep. 20, 1994
5176450 Fluid temperature measuring device Jan. 5, 1993
5137370 Thermoresistive sensor system Aug. 11, 1992
5108193 Thermal flow sensor Apr. 28, 1992
5102230 Thermal environment sensor with means to estimate the wind velocity Apr. 7, 1992
5054936 Sensor for active thermal detection Oct. 8, 1991
5044768 Thermal environment sensor with means to estimate the wind velocity Sep. 3, 1991
5035514 Thermal probe for measuring thermal properties of a flowing medium Jul. 30, 1991
4964115 Thermal sensing system Oct. 16, 1990
4901061 Instrumentation and monitoring systems employing differential temperature sensors Feb. 13, 1990
4895164 Infrared clinical thermometer Jan. 23, 1990
4854730 Radiation thermometer and method for measuring temperature Aug. 8, 1989
4808009 Integrated semiconductor resistance temperature sensor and resistive heater Feb. 28, 1989
4790324 Method and apparatus for measuring internal body temperature utilizing infrared emissions Dec. 13, 1988
4768885 Temperature monitoring systems Sep. 6, 1988
4747698 Scanning thermal profiler May. 31, 1988
4737038 Immersion infrared thermometer for molten materials Apr. 12, 1988
4679948 Radiation probe for contactless measurement of the surface temperature of an object Jul. 14, 1987
4673300 Calibrated probe for temperature measuring Jun. 16, 1987
4633717 Thermocouple vacuum gauge Jan. 6, 1987
4602642 Method and apparatus for measuring internal body temperature utilizing infrared emissions Jul. 29, 1986
4592665 Temperature-controlled systems for non-thermal parameter measurements Jun. 3, 1986
4586149 Temperature control system for cutaneous gas monitor Apr. 29, 1986
4579002 Thermocouple vacuum gauge Apr. 1, 1986
4565455 Heat regulating sensor tape Jan. 21, 1986
4541730 Apparatus and method for testing evacuatable dewar vessels Sep. 17, 1985
4526732 Method of heating thermal shrinkage tube and apparatus therefor Jul. 2, 1985
4508461 Distributed fiber optic temperature monitoring apparatus and method Apr. 2, 1985

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