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Walt Disney was no Mickey Mouse inventor. He devised a serious animation camera which he patented. With the device, his company created "Snow White".
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| Number | Title | Issue Date |
| 7798893 | Full opening and reclosable explosion vent apparatus Explosion vent apparatus is provided, which includes a vent support unit defining a vent opening adapted to be aligned with an area to be protected from an overpressure condition, a vent panel movably mounted on the support unit in a normal closed position blocking ... | 09/21/2010 |
| 7275560 | Pressure relief door for air duct work A pressure relief door system for use in a duct for relieving positive or negative pressure within the duct includes a frame to be mounted in the duct; a gasket in the frame; a hinged door mounted on the frame and sealing against the gasket; and an adjustable pressu... | 10/02/2007 |
| 7068748 | Underground system and apparatus for storing spent nuclear fuel A system and method for storing spent nuclear fuel below grade that affords adequate ventilation of the spent fuel storage cavity. In one aspect, the invention is a system comprising: a body having a cavity for receiving and storing a spent fuel canister, a major po... | 06/27/2006 |
| 7000630 | Flame front diverter element A flame front diverter element is designed to cause a minimal pressure drop under normal venting conditions when process vapors need to pass through the explosion protection system and to other equipment connected to the manifold system. In the event of a deflagrati... | 02/21/2006 |
| 6938381 | Catastrophic event survival structure and method of manufacture A catastrophic event survival structure and method of manufacture such that the catastrophic event survival structure includes a monolithic outer shell formed from a single pour of concrete and enclosing a confined inner space therein. The monolithic outer shell of ... | 09/06/2005 |
| 6908377 | Explosion protection venting system An explosion protection venting system has a plurality of vessels or reactors connected by a common vent line. A flame front diverter having a pair of opposing rupturable discs is connected to each one of a plurality of vessels for directing a deflagration away from... | 06/21/2005 |
| 6827643 | Electrical switchgear comprising a ventilation device and ventilation device comprising two ventilation elements An electrical switchgear (ES) comprising at least one function module (FM, FM . . . ) having an encapsulated housing, and a decompression channel (DK) which is connected to the housing. Said decompression channel (DK) comprises a ventilation device (LV, LV . . . ) i... | 12/07/2004 |
| 6203421 | Safety ceiling vent A ceiling vent to reduce the temperature in a room that is subject to becoming uncomfortably hot. The vent contains two concentric tubes, one movable and the other stationary. The movable tube is attached to a damper plate so that when the movable tube is... | 03/20/2001 |
| 5956903 | High-wind velocity building protection In many storms, high-wind velocity can cause severe damage to building structures by virtue of differential pressures caused by high-wind velocity winds traversing the structure, creating differential inside-outside pressures. Extremely low pressure on th... | 09/28/1999 |
| 5540618 | Passive attenuator for shelter protection against explosions A family of passive attenuators for shelter protection against explosions which reduce the pressure and impulse by combined effects of reflection, expansion, contraction and deviation contributed by the geometry of the attenuator.... | 07/30/1996 |
| 5503178 | Pressure relief valve, airbag deployment An apparatus for relieving overpressure conditions in the passenger compartment of a motor vehicle comprises a valve assembly that is mounted in an opening formed in an exterior wall of the compartment, the assembly includes a frame panel sized to fill th... | 04/02/1996 |
| 5263894 | Methods and apparatus for ventilating carriages A ventilation control device for a high-speed train carriage is operable in conjunction with a ventilating blower. A deflectable spring flap is mounted to extend across the ventilation duct in the air flow path. When deflection of the flap reaches a thres... | 11/23/1993 |
| 5187316 | Passive explosion protection device This invention relates to a passive explosion protection device wherein a quick acting gate valve is designed in combination with means for directing and reflecting incumbent pressure surges to reduce or decelerate the surges prior to contact with the gat... | 02/16/1993 |
| 5080005 | Passive building vents A passive building vent disposed in an outside vertical building wall, communicates between the outside atmospheric air and the confined air within the building, via a housing forming an air mixing chamber with a passageway disposed therethrough. A movabl... | 01/14/1992 |
| 5018585 | Safety device to relieve explosive pressures To relieve explosive pressures due to unintended explosion of explosive fluid, for example dust or combustible particle-laden air, such as sawdust, coal dust and the like, or of combustible gases, passing through a conveying duct (2, 5), a chamber is form... | 05/28/1991 |
| 4751874 | Blast wave choke A blast wave choke to be disposed at the above ground entrances of a ventilation system for a underground personnel shelter wherein a plurality of annular choke elements of progressively smaller inside diameter are aligned along a common axis and spaced o... | 06/21/1988 |
| 4733606 | Closure device A closure device for shelters and the like. The frame (1) of the closure device is provided with at least one flow-through passage (2); a closure (3) is mounted displaceably in each passage; and a counter part is formed in the frame for each closure. The ... | 03/29/1988 |
| 4576088 | Pressure-wave protective flap (or damper) Damper for the protection of equipment, through which a gaseous or vaporous medium, particularly air, flows, against pressure waves, particularly in ventilation and/or air conditioning installations for the protection of the components of the plant, its i... | 03/18/1986 |
| 4351359 | Fast closing valve for gaseous and liquid media A fast closing valve for gaseous and liquid medium closes, against a resilient force, upon the occurrence of a sudden pressure difference in the conduit, specially aeration conduits for use in anti-aircraft protection shelters. The main part is a valve-fl... | 09/28/1982 |
