Did You Know...
...that in 1800 ether was first used by partyers as a fun diversion? Sniffing the gas led to hilarious and raucous laughter as people watched each other become more and more intoxicated and silly. Several doctors independently realized the value ether would have to anesthetize surgery patients. Of those who claimed rights to the "discovery," none had a happy ending. One had a seizure and died defending his rights. Another spent his life in an asylum because he had been denied acclaim. A third became addicted to chloroform and, in a New York City jail, he soaked a cloth in the drug, severed an artery and bled to death.
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| Number | Title | Issue Date |
| 7292154 | Monitor and method for sensing temperature differences A monitor can sense the difference in temperature between the inside and the outside of an enclosure containing electrical power equipment. The monitor has a case adapted for mounting at the enclosure. Also included is a first and a second sensor for producing a fir... | 11/06/2007 |
| 7007631 | Freezer failure indicator A freezer failure indicator assembly is provided comprising an indicator unit in the form of a closed container party filled with an opaque liquid (1) and a support bracket (8) therefor. The container has an opaque zone (2) and a transparent zon... | 03/07/2006 |
| 6964518 | Device and system for monitoring internal temperature of inaccessible or moving parts A device and a system for measuring temperature in an inaccessible and/or movable mechanical part. The device comprises a temperature-sensitive clement which can be installed inside the movable part and which is designed to emit a signal containing information on th... | 11/15/2005 |
| 6802277 | Fire escape light and alarm A emergency sign emits a non-electrical light and sounds a non-electrical alarm when an elevated level of heat is sensed, such heat from a fire, to provide a combined light and a sound alert signals. The light results from the mixing of a chemical compound having ch... | 10/12/2004 |
| 6736086 | Food temperature measuring device with audible signal The present invention is a temperature measuring device for insertion into food which audibly signals the user when the temperature of the food reaches a predetermined level. The stem of the device contains a coiled temperature sensitive bi-metallic spring. As the i... | 05/18/2004 |
| 6640161 | Method for operating a steam stripped fractionation column A method of operation of a steam stripped fractionation column by using a computer to process the relevant operating parameters of the column to determine the undesirable approach to a possible flooding condition.... | 10/28/2003 |
| 6548785 | Pressing iron with residual heat warning device The invention is directed to a steam iron (1) equippped with an electrically heatable soleplate (9) and having a residual heat warning device (16) which operates preferably independently of the line voltage and issues a flashing warning signal via a light... | 04/15/2003 |
| 6494161 | Tea kettle flute The present invention is a novelty musical kettle that plays a song when liquid inside the kettle is heated. The kettle body contains a circular flute instrument with a release flap at a first end and a closed second end. When the water is heated, the fla... | 12/17/2002 |
| 6431110 | Food temperature measuring device with audible signal The present invention is a temperature measuring device for insertion into food which audibly signals the user when the temperature of the food reaches a predetermined level. The stem of the device contains a temperature sensitive spring in bi-metallic co... | 08/13/2002 |
| 6390014 | Acoustic signaling device for culinary-use vessels, in particular for kettles An acoustic signalling device for containers destined for culinary use, in particular for boilers, is proposed, comprising a nozzle (11) able to convey externally to a container able to be closed (2) whereto the device is associated a steam jet formed ins... | 05/21/2002 |
| 5041816 | Freezer alarm system with two sensor models A freezer alarm system is energized by a battery (2) or an AC power adapter (3) to drive a piezo alert pulsing buzzer (4) when activated by one of two sensor modules. An electrolyte freezer alarm sensor (13) has a non-conducting wall (9) and two conductin... | 08/20/1991 |
| 4906107 | Fibre-optic thermometer or temperature alarm device A theremometer or temperature alarm device making use of fibre optics. The measuring instrument has a fibre-optic light transmitter (1), which sends out light along an optic fibre (2) to a measuring head (5) on the end of the transmitting fibre (2), and a... | 03/06/1990 |
| 4557224 | Mechanism for producing audible warning in response to coolant system failure Disclosed herein is an engine including a flywheel starting gear and a cooling system, a member mounted on the engine for displacement between a first position engaged with the flywheel gear so as to produce an audible noise in response to engine rotation... | 12/10/1985 |
| 4503800 | Heat responsive alarm device A metallic bell-type alarm device for indicating the need for refueling or otherwise adjusting the heat generated within a wood stove or the like. The device is mounted on or adjacent to a stove at a location where it can respond to heat fluctuations in t... | 03/12/1985 |
| 4416323 | Air cooler freeze protection Cold weather operation of a heat exchanger which utilizes ambient air to cool a process stream containing water is monitored by a series of thermocouples placed in the heat exchanger tubes subjected to the coldest air. A scanner monitors the thermocouples... | 11/22/1983 |
| 4230808 | Method for making solid materials having a flash point of less than 500° C. fire alarming, fire alarming and self extinguishing, or fire alarming, self-extinguishing and fire abating Solid materials having a flash point of less than 500° C. are rendered fire alarming by providing for the presence thereon of micro capsules containing a bromofluoroalkane having a critical temperature of at least 100° C., the micro capsules having an e... | 10/28/1980 |
| 4089222 | Temperature telemetry for a settable cooking probe There is disclosed a device for telemetry of the temperature of a mass undergoing temperature change, typically of a comestible being heated in an oven, and the like. The device includes a probe having a cavity which receives a thermally expansive materia... | 05/16/1978 |
| 4083250 | Audible alarm food thermometer A portable food thermometer affording an audible alarm at a preset cooking completion temperature. A water reservoir defined within a two-part housing is fillable by the user in advance of use. An elongated sensing probe insertable in the food is secured ... | 04/11/1978 |
| 4064756 | Instrument assembly A temperature-sensitive instrument assembly for removable mounting within a vessel, flowline or the like including a flange plate for mounting onto a vessel or flowline nozzle; a hollow mounting tube mounted within and extending through the flange plate i... | 12/27/1977 |
