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Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."
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| Number | Title | Issue Date |
| 7100701 | Fire-fighting device The invention relates to an apparatus for fire-fighting comprising a fire-extinguishing nozzle (4) connected to an extinguisher fluid supply (3) via a pipe (2) and comprising an alarm device (5) which delivers a warning signal at the begi... | 09/05/2006 |
| 7005991 | Method for anticipating, delaying and/or preventing the risk of spontaneous combustion and/or explosion of an explosive atmosphere The invention concerns a method for anticipating and/or delaying and/or preventing the risk of spontaneous combustion and/or explosion of an explosive atmosphere preserved in a confined or semi-confined medium, which consists in measuring the temperature of the mixi... | 02/28/2006 |
| 6943694 | Bottoming sensor The present invention is directed to a cushioning device. The present cushioning device has many attributes that are common with many cushions. Some of these common attributes are at least one bladder having a top surface, a bottom surface and at least one side surf... | 09/13/2005 |
| 6788209 | Automatic emergency shut-off system for delivery transports A software driven, solid state controlled, electro-mechanically operated system to monitor volatile liquid fuel or other hazardous liquids and provide emergency shut-off if the delivery system is ruptured. A computer receives input from transducers monitoring the fl... | 09/07/2004 |
| 6731216 | Proper tubing installation testing method and apparatus for a peristaltic pump A tubing installation checking device is provided for determining proper installation of a tubing along a tube receiving channel in a peristaltic pump of the type having a tube receiving channel and a door for holding a tubing therein. The tubing installation checki... | 05/04/2004 |
| 6195010 | On-line early warning detection system of runaway initiation using chaos theory techniques An online early warning detection system of runaway initiation in a batch chemical reactor. The system includes sensors for measuring the temperature in the reactor and/or jacket in different regions and at different instants and a device for deducing the... | 02/27/2001 |
| 5578997 | Fuel detector for a turbojet engine oil tank An apparatus for detecting fuel vapors in a turbojet engine oil tank is disclosed which incorporates a device in the oil tank which senses the presence of fuel vapors in the oil tank. The device has a housing defining an inner chamber in which a piston is... | 11/26/1996 |
| 5276433 | Methods and apparatus for temperature sensing A temperature sensor has a flexible nylon tube connected by a fluid-tight coupling to a metal bellows within a metal housing. The interior of the tube and bellows is filled with a pressurized liquid whose critical temperature corresponds to a threshold te... | 01/04/1994 |
| 5274356 | Methods and apparatus for the inspection of air cargo for bombs Methods and apparatus for the inspection of air cargo including passenger luggage for pressure sensitive bombs. In accordance with the method, the air cargo is placed in a pressure vessel, which is then pressure cycled between a super-ambient pressure and... | 12/28/1993 |
| 5274353 | Anti-theft device Anti-theft device comprising a flexible and deformable elongated assembly (1) which is capable of forming a loop and is provided at one end with a male closure member (2, 64) and at the other end with a female closure member (3, 2) adapted to receive and ... | 12/28/1993 |
| 4728940 | Pressure-loss over temperature sensor A pneumatic temperature sensitive system has a hollow detector member laid in a loop for instance in the room. The detector member is pressurized so that when the critical temperature is reached the detector member bursts and its interior space is depress... | 03/01/1988 |
| 4547771 | Vibration sensor In a vibration level indicator of the type having a vibration transducer and means for determining the average vibration level, the improvement having a storage element for holding a reference value corresponding to a selected level of the vibrations, and... | 10/15/1985 |
| 4489305 | Monitor for hydraulic transmission A vehicle, such as an agricultural tractor, includes a hydraulic assist-type transmission with fluid control and lubricating circuits. A monitoring system senses the fluid pressure in the lubricating circuit, the hydraulic fluid temperature and the engine... | 12/18/1984 |
| 4489311 | Engine oil pressure monitor An engine oil pressure monitor includes an engine oil pressure sensor and an engine speed sensor. A plurality of pressure alarm values are generated to correspond to designated distinct ranges of engine speed. One of the alarm values is selected according... | 12/18/1984 |
| 4309698 | Acoustic fire detection circuit responsive to microcapsule ruptures For the early detection of an abnormal rise in the temperature in an enclosure to be protected, a large number of micro-containers are arranged in the enclosure. These micro-containers are, for example, incorporated in the paint coating the walls of the e... | 01/05/1982 |
| 4212004 | Pressure drop detectors Pressure drop detectors are provided which are suitable for use in pressurized fluid fire alarm systems. The pressure drop detectors have pressurized fluid circuits provided as channels in the surface of a block of material, including one channel connecte... | 07/08/1980 |
| 4075616 | Detector for alarm system Sensing devices responsive to changes in the physical condition of the area in which they are located are disposed in elongate, flexible carriers to form a detecting unit which can be arranged in a tortuous, undulating array to cover an undefined area of ... | 02/21/1978 |
| 4055844 | Detection system A static fluid system for detecting a selected change in an ambient condition. The system includes an elongate closed fluid line having a selected absolute pressure and pressure means to maintain the line pressure. Sensing means in the line respond to sel... | 10/25/1977 |
| 3938115 | Combination smoke and heat detector alarm A combination smoke and heat detector alarm including a self contained stored energy source in the form of a cylinder of compressed gas. A T-fitting connects to the cylinder and feeds separate conduit systems leading to individual sounding devices. A fusi... | 02/10/1976 |
| 3938114 | Gas-powered alarm with pressure responsive remote indicator circuit The passage-way between a freon cylinder and a freon-powered horn is plugged by a eutectic metal plug. When sufficient heat loosens the plug, the horn is activated. A switch in the passageway senses the back pressure from the freon gas flow and activates ... | 02/10/1976 |
