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Ballistic resistant body covering
A ballistic resistant body covering for protecting the torso, groin and neck area from ballistic missiles.
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| Number | Title | Issue Date |
| 5993183 | Gear coatings for rotary gear pumps Gears for pumping non-lubricating fluids at high pressure are provided which include special coatings. One of the gears is coated with a combination of nickel and polytetrafluoroethylene; the other gear is coated with a combination of carbon and tungsten ... | 11/30/1999 |
| 5727933 | Pump and flow sensor combination A pump for use in additive systems such as foam chemical additive systems for fire fighting water, the pump including impeller elements and flow meter elements in a common casing. The pump casing provides a gear pump arrangement using two enmeshed gears o... | 03/17/1998 |
| 5427181 | Mixer for compressed air foam system A system for supplying compressed air and foam solution to produce a fire stream comprising an aerated foam includes a motionless mixer having an in-line chamber wherein the air and foam solution are mixed thoroughly in a short distance with a minimal pre... | 06/27/1995 |
| 5411100 | Compressed air foam system A system supplies compressed air and foam to produce a fire stream comprising an aerated foam. The system includes a fire pump, an air compressor, a mixer, and a controller for automatically maintaining a desired ratio of air and water delivered from the ... | 05/02/1995 |
| 5255747 | Compressed air foam system A system for supplying compressed air and foam to produce a first stream comprising an aerated foam is disclosed. The system includes a fire pump, an air compressor, a venturi, and a control for automatically maintaining a desired ratio of air and water d... | 10/26/1993 |
| 5243761 | Portable rescue tool A rescue tool as incorporated into a portable unit both the tool operating mechanism and the hydraulic power means necessary to provide a self-contained tool. An elongated tool body comprises the rescue tool mechanism and its associated hydraulic actuator... | 09/14/1993 |
| 5215499 | Positive pressure safety system A safety system for providing a positive pressure condition in an enclosed space to provide a safe freshair atmosphere in said enclosed space in response to the occurrence of an emergency condition which could introduce smoke or harmful gases into said en... | 06/01/1993 |
| 5145014 | Air supply system for firefighting apparatus A system for supplying compressed air and foam to produce a fire stream comprising an aerated foam is disclosed. The system includes an air compressor driven from a split shaft gear box of the type provided on fire trucks.... | 09/08/1992 |
| 5139393 | Thermal relief valve A thermal relief valve is constructed and arranged to sense the fluid temperature of a pump and to open when this fluid temperature becomes too high to discharge pump fluid to prevent the occurrence of an excessive temperature condition of the pump fluid.... | 08/18/1992 |
| 5063670 | Portable cutter tool A cutter tool is constructed to be portable and maneuverable so that it can be used at an accident scene to extricate a victim that is trapped in place by the foot pedal and/or steering wheel of a vehicle by cutting the same to free the trapped victim.... | 11/12/1991 |
| 5042442 | Internal combustion engine A two-stroke, two-cylinder internal combustion engine for use in portable applications has a cylinder head design, a fuel injection system and an ignition system which enables the engine to start and run on a fuel such as JP5 or DFM.... | 08/27/1991 |
| 5018665 | Thermal relief valve A thermal relief valve is constructed and arranged to sense the fluid temperature of a pump and to open when this fluid temperature becomes too high to discharge pump fluid to prevent the occurrence of an excessive temperature conditon of the pump fluid.... | 05/28/1991 |
| 5010870 | Portable engine-pump assembly An engine for a portable engine-pump assembly is designed to operate on a safe fuel such as JP5 or DFM. The engine is started by a starting fuel such as propane which is supplied to the engine from a pressurized propane-containing cartridge. The propane s... | 04/30/1991 |
| 4979693 | Portable hose reel A portable hose reel for deploying a pair of hoses quickly and easily is disclosed. The hose reel has two flexible hoses wound in a flattened condition one on top of the other on a reel and a handle is provided for use in carrying and unreeling of the hos... | 12/25/1990 |
| 4976319 | Water driven fan for firefighting A portable water driven fan for firefighting applications utilizing positive pressure ventilation is disclosed. A unit including a water powered turbine and a fan is constructed to be light in weight and compact and is capable of delivering a large volume... | 12/11/1990 |
| 4973028 | Rescue tool jaw A jaw adapted to be mounted on the end of the force arms of a rescue tool for engaging a part to be spread is provided with a plurality of teeth having a substantial depth and oriented to point toward the tip end of the jaw for biting into and grabbing th... | 11/27/1990 |
| 4907654 | Water driven fan system for firefighting A fan system for use in firefighting applications employing positive pressure ventilation includes a lightweight portable fan having a water-powered turbine as its driver. A flow control valve is operable to set the system to operate in a plurality of mod... | 03/13/1990 |
| 4831886 | Flow indicator A flow system for an engine-pump assembly utilizes the engine cooling water for heating the engine carburetors to prevent icing thereof and includes a flow indicator providing a visual indication of the condition of the engine's cooling water flow.... | 05/23/1989 |
| 4786239 | Pumping system selectably operable as a fire pump or a hydraulic pump A pumping system for shipboard use is comprised of a submersible centrifugal dewatering pump driven by a high pressure hydraulic motor mounted directly on the submersible pump, a hose means being connected from the hydraulic motor to a hydraulic pump loca... | 11/22/1988 |
| 4762281 | Drive arrangements for comminutor-pump assembly A comminutor and pump are assembled together with the pump being arranged to draw liquid, such as sewage, into a comminution chamber containing a rotating hollow cylinder which functions as a combination cutter and strainer. The solids in the sewage are c... | 08/09/1988 |
| 4734019 | Pumping system A pumping system employing a main pump and a high pressure centrifugal pump both of which are driven by an engine through a suitable drive is provided with an air clutch device whereby air is selectively introduced into the inlet of the high pressure cent... | 03/29/1988 |
| 4721029 | Pressurized fluid supply means for rescue tools A pressurized hydraulic fluid supply is arranged to supply hydraulic fluid to a plurality of rescue tools from a single power source through a series flow connector block so as to permit operation of two or more tools simultaneously.... | 01/26/1988 |
| 4720050 | Comminutor-pump assembly A comminutor and a pump are assembled together so that they are driven by the same prime mover, such as a tractor power take-off, the pump being arranged to draw liquid, such as sewage, into a comminution chamber containing a rotating hollow cylinder whic... | 01/19/1988 |
| 4715327 | Flow system for engine-pump assembly A flow system for an engine-pump assembly utilizes the engine cooling water for heating the engine carburetors to prevent icing thereof and includes a flow indicator providing a visual indication of the condition of the engine's cooling water flow.... | 12/29/1987 |
| 4712516 | Fuel supply for a rotary piston engine A dual fuel supply for a rotary piston engine in which there is one fuel supply means for a running fuel of low volatility and another fuel supply for a starting fuel of high volatility. The starting fuel is contained in safe scaled pressurized cartridges... | 12/15/1987 |
| 4691667 | Gasoline engine EMI suppression system A spark ignition engine device adapted for use with a pump. The engine is mounted on a mounting structure. The engine has a magneto flywheel for generating an ignition current and a high-voltage ignition coil means electrically connected by a first conduc... | 09/08/1987 |
| 4690613 | Portable engine-pump assembly A portable engine-pump assembly for use in firefighting applications is constructed of a high-speed, lightweight engine and a double-suction pump. The engine is arranged with a vertical crankshaft for driving the pump which is mounted adjacent thereto wit... | 09/01/1987 |
| 4676065 | Portable engine-pump assembly A portable engine-pump assembly for use in firefighting applications is constructed of a high-speed, lightweight engine and a double-suction pump. The engine is arranged with a vertical crankshaft for driving the pump which is mounted adjacent thereto wit... | 06/30/1987 |
| 4653978 | Relief valve system A relief valve system for a pump in which control means are responsive to the occurrence of an excessive pressure on the inlet or discharge side of the pump to relieve this condition by dumping excess pressure to atmosphere.... | 03/31/1987 |
| 4643652 | Portable engine-pump assembly A portable engine-pump assembly for use in firefighting applications is constructed of a high-speed, lightweight engine and a double-suction pump. The engine is arranged with a vertical crankshaft for driving the pump which is mounted adjacent thereto wit... | 02/17/1987 |
| 4633895 | Fluid proportioning apparatus Apparatus is described for admixing a foam-liquid solution with water in a predetermined proportion for use in a foam-water fire fighting system. The arrangement is such that the water supply line of the apparatus takes water out of the fire main and uses... | 01/06/1987 |
| 4587862 | Transmission for pumps A transmission for a pump is constructed of an input member rotatably mounted in a housing and including a splined shaft portion and an input flange portion, an output member rotatably mounted in the housing in axial alignment with the input member and in... | 05/13/1986 |
| 4570605 | Fuel supply for a piston engine A dual fuel supply for a piston engine in which there is one fuel supply means for a running fuel of low volatility and another fuel supply for a starting fuel of high volatility. The starting fuel is contained in safe scaled pressurized cartridges. The t... | 02/18/1986 |
| 4506445 | Rescue cutter tool A lightweight, fluid-powered, portable rescue cutter tool for applying a high magnitude cutting force is disclosed comprising a body having a longitudinal axis including a fluid cylinder and a forward end structure, and a pair of cutting blades pivotally ... | 03/26/1985 |
| 4503812 | Starting system for a portable engine-pump unit A portable engine-pump unit is provided with a charging system for maintaining a rechargeable starter battery in a fully charged condition while it is held in a stored position. The starter battery is used to energize heaters for raising the temperature o... | 03/12/1985 |
| 4448256 | Foam liquid proportioner A foam liquid proportioner including a positive displacement water motor coupled to a positive displacement foam liquid pump is provided with a gear drive mechanism which steps up the RPM of the foam liquid pump to be much higher than the RPM of the water... | 05/15/1984 |
| 4351391 | Heat exchanger for water pumping system A heat exchanger for cooling engine coolant is arranged to use the main pump water flow as the cooling medium, is located on the suction side of the main pump, and is constructed of a finned casting with fins extending from a tubular portion of the castin... | 09/28/1982 |
| 4337830 | Pump assembly A pump assembly for use in fire fighting service is constructed of a single stage main pump and a two stage booster pump connected in series with the discharge of the main pump being connected to a first high flow rate fire fighting application and to the... | 07/06/1982 |
| 4311440 | Pump A vacuum pump adapted to be used as a priming pump comprising a pump assembly and a motor assembly both of which are secured to a mounting head located therebetween. The motor assembly includes a housing and a motor shaft extending a substantial extent fr... | 01/19/1982 |
| 4245952 | Pump A centrifugal pump is constructed of a cast iron impeller and corrosion resistant means for providing a minimal clearance space between the impeller and the volute body of the pump in the form of a clearance ring mounted in the volute body to cooperate wi... | 01/20/1981 |
