Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 7798239 | Ceiling-only dry sprinkler systems and methods for addressing a storage occupancy fire A ceiling-only dry sprinkler system configured to address a storage occupancy fire event with a sprinkler operational area sufficient in size to surround and drown the fire. The system and method preferably provide for the surround and effect by activating one or mo... | 09/21/2010 |
| 7673695 | Dry pipe/deluge valve for automatic sprinkler systems A dry/deluge valve for an automatic sprinkler system. The valve includes a main chamber having an input port for receiving fluid from a supply line and an output port. A clapper assembly is installed in the main chamber for sealing the input port. The clapper assemb... | 03/09/2010 |
| 7543653 | Diaphragm latch valve A valve for fire suppression sprinkler systems is disclosed. The valve has a chamber with an inlet and an outlet. A closure member, positioned within the chamber, is movable to close and open the inlet. A latch engages the closure member to hold it in the closed pos... | 06/09/2009 |
| 7530402 | Water column supervisory switch A water column supervisory switch having a probe arrangement and probe circuitry for detecting the presence of a conductive medium that has reached a predetermined level above a clapper valve inside a dry pipe valve for a sprinkler system is disclosed. The probe arr... | 05/12/2009 |
| 7426784 | Compact fire sprinkler attachment insert The invention satisfies this need. The invention is an internally threaded insert for use with a polymetric pipe fitting in a fire sprinkler system. The insert comprises an outer side surface, an outer rearward surface and an outer forward surface. The outer forward... | 09/23/2008 |
| 7322423 | Dry pipe valve for fire protection sprinkler system A fire protection system comprises a supply pipe having a first fluid pressurized to a first pressure and a network of pipes having a plurality of sprinklers. The network of pipes have a second fluid being pressurized to a second pressure at approximately 5.5 times ... | 01/29/2008 |
| 7314093 | Fast response sprinkler assembly for a fire extinguishing system A fast response residential sprinkler assembly includes a sprinkler body having a base and a frame extending from the base. The base has a passage extending therethrough defining an inlet and an outlet. A deflector is mounted to the frame and spaced from the outlet,... | 01/01/2008 |
| 7240740 | Diaphragm valve with pivoting closure member A valve is disclosed having an inlet duct aligned with an outlet duct and an angularly oriented elliptical seat positioned between them. A pressure chamber faces the seat. A pivoting valve closure member is positioned between the pressure chamber and the seat. An as... | 07/10/2007 |
| 7237619 | Automatic fire sprinkler having a variable orifice An automatic fire sprinkler having a variable orifice, the sprinkler having a variable orifice associated with the automatic fire sprinkler, and wherein the orifice is responsive to the water inlet pressure of the sprinkler. ... | 07/03/2007 |
| 7213319 | Method of installing a dry sprinkler installation A dry sprinkler installation and sealing device for a cold environment is disclosed. The dry sprinkler installation includes a supply conduit having a first end adapted to communicate with a fire retardant fluid source and a second end supporting a sprinkler head. T... | 05/08/2007 |
| 7185711 | Fire protection system A fire suppression system includes system piping and at least one sprinkler with the system piping for delivering fire suppressant to the sprinkler. The sprinkler has an outlet and a temperature sensitive trigger with temperature sensitive trigger opening the outlet... | 03/06/2007 |
| 7147002 | Modular multi-function fluid flow control device A multi-function fluid flow control device is disclosed. A body houses a filter screen, a check valve and an orifice plate mounted on a frame which is removable from the body as a unit through an opening in the body sealed by a removable plug. The orifice plate is r... | 12/12/2006 |
| 7134507 | Method and apparatus for detecting a sprinkler actuation event A method of detecting the actuation of a sprinkler involves sensing a first fluid pressure at a first flow cross section, in one of the sprinkler and a conduit in which the sprinkler is mounted, sensing a second fluid pressure at a second flow cross section, in the ... | 11/14/2006 |
| 7111625 | Demand valves for breathing apparatus There is described a demand valve for a breathing apparatus with a “first breath” mechanism, wherein a demand valve is held closed by resiliently latching an operating diaphragm of the valve in a position wherein the valve is closed. The diaphragm is resiliently... | 09/26/2006 |
| 7104333 | Dry pipe valve for fire protection sprinkler system A differential-type dry pipe valve for a fire protection sprinkler system has a ratio of effective air sealing area to service water sealing area that is smaller than a ratio of service water pressure to system air pressure at which the fire protection sprinkler sys... | 09/12/2006 |
| 7102529 | System and method for suppressing the spread of fire and various contaminants Systems and methods for suppressing the spread of fire, fire-related toxins, and other biological and chemical hazards are disclosed. In embodiments of the present invention a controller shuts off the flow of electrical current to the fan of a residential heating, v... | 09/05/2006 |
| 7070002 | Fire extinguishing method and apparatus Fire extinguishing method, especially for spaces intended for the storage of aircraft, such as hangars, in which method a fire extinguishing medium, especially a liquid mist, is sprayed via at least one first nozzle (2) in the area, seen in a vertical directi... | 07/04/2006 |
| 7055612 | Fire protection system A fire suppression system includes system piping and at least one sprinkler with the system piping for delivering fire suppressant to the sprinkler. The sprinkler has an outlet and a temperature sensitive trigger with temperature sensitive trigger opening the outlet... | 06/06/2006 |
| 6960321 | Sterilization of fire sprinkler systems New and in-use fire sprinkler systems can be sterilized by employing antimicrobial gases. The gases include steam, oxygen, and chlorine. Water added to the system after sterilization can be sterilized to prevent the reoccurrence of microbiological contamination.... | 11/01/2005 |
| 6907940 | Fast response fluid flow control valve/nozzle Disclosed herein is a fast response fluid flow control valve/nozzle that combines the technology used to rupture the frangible discs found in pressurized container-based fire protection/suppression systems with that found in fixed pipe spray/sprinkler systems. The a... | 06/21/2005 |
| 6860331 | Single-piece manifold A single-piece manifold for use with a residential or other building sprinkler system is disclosed which comprises a body having an inlet in communication with a water supply and an outlet that communicates with a sprinkler system having a conduit adapted for fluid ... | 03/01/2005 |
| 6851482 | Sprinkler assembly A sprinkler assembly for controlling a fire situation includes at least one fluid conduit defining a flow passage including an inlet for receiving a fluid from a fluid source and at least one outlet for discharging the fluid, and a dispensing mechanism such as an op... | 02/08/2005 |
| 6848513 | Fire protection valve trim assembly system A trim assembly for a fire protection system valve includes a mounting member and a piping assembly supported by the mounting member. The piping assembly includes a priming line with an inlet for receiving priming fluid from a fire suppressant fluid supply line and ... | 02/01/2005 |
| 6810963 | Dry pipe valve for fire protection sprinkler system A differential-type dry pipe valve for a fire protection sprinkler system has a ratio of effective air sealing area to service water sealing area that is smaller than a ratio of service water pressure to system air pressure at which the fire protection sprinkler sys... | 11/02/2004 |
| 6752217 | Dry accelerator for sprinkler system An accelerator for venting a pressurized gas source to the ambient is disclosed. The accelerator includes a first gas compartment connected to the pressurized gas source. A second gas compartment is connected to the first gas compartment through a one-way valve allo... | 06/22/2004 |
| 6732808 | Fire-extinguishing device This invention relates to a fire extinguishing device, with at least one supply line (4) that is dry with the device in an idle state, through which at least one extinguishing nozzle (1) is connected with an extinguishing fluid supply unit, which fills... | 05/11/2004 |
| 6715561 | Vacuum dry sprinkler system containing a sprinkler head with expulsion assembly A vacuum dry sprinkler system includes a sprinkler head formed with a body having a central orifice through which fire extinguishing fluid is expelled through an outlet end. A yoke, attached to the exterior surface of the sprinkler body, extends beyond the outlet en... | 04/06/2004 |
| 6708771 | Low pressure electro-pneumatic and gate actuator An electro-pneumatic actuator having AND gate logic characteristics is disclosed. The actuator has three chambers each divided into two chamber portions by respective flexible diaphragms. One of the diaphragms acts as a valve closing member and controls the flow of ... | 03/23/2004 |
| 6666277 | Low pressure pneumatic and gate actuator A pneumatic actuator having AND gate logic characteristics is disclosed. The actuator has three chambers each divided into two chamber portions by respective flexible diaphragms. One of the diaphragms acts as a valve closing member and controls the flow o... | 12/23/2003 |
| 6557645 | Dry pipe valve for fire protection sprinkler system A differential-type dry pipe valve for a fire protection sprinkler system has a ratio of effective air sealing area to service water sealing area that is smaller than a ratio of service water pressure to system air pressure at which the fire protection sp... | 05/06/2003 |
| 6540028 | Automatic condensate drain device A pressure operated normally closed control valve operates to open at a predetermined pressure between the system minimum and maximum pressures to open the valve and allow the discharge of condensate from the system which has a source of pressure to provi... | 04/01/2003 |
| 6536533 | Low pressure actuator for dry sprinkler system Embodiments of a low-pressure actuator, for use in a dry, low-pressure, pressurized gas, liquid fire control and suppression sprinkler system, with a pneumatic/electric double interlock mechanism, which requires that two separate events, such as dischargi... | 03/25/2003 |
| 6491109 | Kinetic antifreeze device A kinetic antifreeze device for preventing a dry sprinkler system from freezing is disclosed. The kinetic antifreeze device contains a longitudinal pipe for guiding air and water flow connected to a dry sprinkler system pipe at a junction adjacent to a dr... | 12/10/2002 |
| 6443173 | Automatic drain for a fire protection sprinkler system An automatic auxiliary condensate drain for an automatic dry-pipe type fire protection sprinkler system, wherein condensation which forms within the sprinkler system due to changes in temperature is drained from the condensate reservoir at the direction o... | 09/03/2002 |
| 6378616 | Low pressure actuator for dry sprinkler system A low pressure actuator for use in a dry, low-pressure, pressurized-gas, fire control and suppression sprinkler system for delivering an extinguishing liquid to a fire, wherein there is a system gas pressure of up to about 20 psi and an extinguishing liqu... | 04/30/2002 |
| 6357531 | Virtual accelerator for detecting an alarm condition within a pressurized gas sprinkler system and method thereof The virtual accelerator is for detecting an alarm condition within a pressurized gas sprinkler system. It has a pressure monitor for monitoring pressure within the pressurized gas sprinkler system, and generating a pressure signal representative of the pr... | 03/19/2002 |
| 6293348 | Low pressure actuator for dry sprinkler system A low pressure actuator for use in a dry, low-pressure, pressurized-gas, fire control and suppression sprinkler system for delivering an extinguishing liquid to a fire, wherein there is a system gas pressure of up to about 20 psi and an extinguishing liqu... | 09/25/2001 |
| 6209654 | Deluge fire sprinkler system A deluge fire sprinkler system for suppressing fires occurring in an air environment, the air having an atmospheric pressure, the deluge fire sprinkler system including a network of water pipes having an interior volume, a water input port opening the int... | 04/03/2001 |
| 6158520 | Check valve actuator with adjustable seat for air chamber seal An actuator is provided for a check valve, having particular utility in a dry fire control system. The check valve is responsive to a drop in the system air pressure occasioned by opening of one or more sprinkler heads in the fire control system. The move... | 12/12/2000 |
| 6109361 | Exterior fire protection system for buildings A fire protection system for the exterior of a building that provides protection from fires by sprinkling the exterior of the building with water. The fire protection system includes a number of sprinkler heads that each also include a light source for pr... | 08/29/2000 |
