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Class 374/105 - Indicating tube with sensing material return prevention


Subclass of Class 374 - Thermal measuring and testing
Definition: Subject matter wherein the determination is made by an indicating
No. of patents: 14
Last issue date: 04/22/2008


NumberTitleIssue Date
7360946Time temperature indicators linked to sensory detection
A thermal history indicator comprising a temperature sensitive material, a sensing device, a heat insulating material functioning to buffer the temperature sensitive material against temperature change, and an activation means. The triggering of the activation means...
04/22/2008
7331709Temperature measuring method using micro temperature sensing element
By preliminarily measuring the gallium temperature and the length change of a temperature sensing element comprising a carbon nanotube having a continuous column of gallium contained therein, then heating the temperature sensing element installed in a subject to inc...
02/19/2008
7290925Full history time-temperature indicator system
A full-history time-temperature indicator system which is capable of exhibiting a time-temperature dependent and visually detectable chemical reaction, useful for monitoring the time and temperature exposure of food products. The system comprises an immobilized reac...
11/06/2007
7246942Thermometer
A liquid-in-stem thermometer comprising a stem and/or an envelope having a capillary bore extending along the length of the stem/envelopes, a bulb disposed at one end of the stem/envelope and in fluid communication with the said bore, a junction region between the c...
07/24/2007
7237947Product and method for measuring temperature in flowing objects
A temperature-indicating target length (15) of an expanding fluid thermometer (11) imbedded inside an object (91) moving in the flow (81) is achieved at a target point (21) along a flow and is measured by a measuring means at a loc...
07/03/2007
7097353Method and device for indicating temperature
Disclosed is a temperature indicating method and device. The device embodies a sealed tube containing a liquid and a float. The tube has markings on the exterior indicating temperature zones or, in the alternative, temperature gradients. The method disclosed include...
08/29/2006
7011445Maximum/minimum thermometer
This invention relates to maximum/minimum thermometer of the type comprising an expansion liquid, a transfer liquid and indexes for recording the maximum and minimum temperatures. Described in particular are new transfer liquids designed to replace conventionally us...
03/14/2006
6973894Timing device
A timing device for visually determining the passage of a preselected period of time including a tube (2) having opposed ends with at least one of the opposed ends having a reservoir (10a, 10b) for storing a reactant or an indicato...
12/13/2005
6916116Time or time-temperature indicating articles
Time or time-temperature indicating articles are described comprising a housing enclosing: (a) a first fluid reservoir at least partially filled with a first fluid; (b) a substrate comprising a plurality of channels; (c) a second fluid reservoir in fluid communicati...
07/12/2005
5442157Electronic temperature controller for water heaters
A control/safety apparatus and method for an electrical or fuel fired water heater includes one or more temperature sensors strategically located on the water heater vessel at a level at or above a critical water level. The time rate of temperature change...
08/15/1995
5215378Dual temperature indicator
A dual temperature indicator providing visual indications when exposed to predetermined high or low temperatures. The indicator has a bulb with a capillary tube and an attached high temperature indicator structure. The bulb has a first liquid which also f...
06/01/1993
4229975Throwaway plastic thermometer structure
A throwaway thermometer structure (10,110) comprising essentially a synthetic resin wall member (13,113) having a thin gas impermeable layer (11,111) defining the inner capillary bore (12,112) thereof. The outer wall member effectively defines a jacket an...
10/28/1980
4222268Disposable thermometer
A thermometer comprising: a molded plastic body member having a recess in one side forming a reservoir for a temperature indicating fluid and a relatively wide capillary passageway in fluid communication with the reservoir. Adjacent the capillary passagew...
09/16/1980
3961532Disposable clinical thermometer
A disposable clinical thermometer of low cost and preferably mostly of plastic includes a stiff rod-like inner member having a longitudinal groove of like configuration extending its length. A baffle or lip is formed on one end of this rod to provide a re...
06/08/1976
 
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