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| Number | Title | Issue Date |
| 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 |
| 5393143 | Bag and method of making the same A bag construction comprising an outer bag and an inner bag contained therewithin and a method of making the same is described. The bag construction is made from a tube length having inner and outer portions, by cross sealing the inner portions and foldin... | 02/28/1995 |
| 5338117 | Bag and method of making the same A bag of the leakproof square ended type having an end formed by a first fold portion having a rectangular tab and a triangular fold portion is made with the tab secured to a central portion of the end with the triangular fold portion inserted beneath the... | 08/16/1994 |
| 5338075 | Combination fluid flow ports A combination fluid flow port which can be used as both a full size threaded port and a full size flange port is provided with an annular ring constructed and arranged to fit closely within a counterbore in the end of a threaded hole in the port to provid... | 08/16/1994 |
| 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 |
| 5211305 | Carton A carton-type container has a lid which is snapped into place on top of a paperboard outer shell having a sift-proof inner liner. The lid is provided with a re-closable pour opening through which the product contained within the container can be repeatedl... | 05/18/1993 |
| 5197625 | Carton A lined container is provided with a transparent liner and a pair of tear strips in an endwall of an outer carton removable to provide windows extending along the vertical extent of the endwall. The level of the contents of the carton is visible through t... | 03/30/1993 |
| 5172615 | Internal wrench An internal wrench has a body having an internal hole of a polygon shape and an outer surface of a polygon shape which conforms to the internal wrenching surface of the part to be wrenched. The wrench body is provided with a shoulder for locating the wren... | 12/22/1992 |
| 5149315 | Method of making lined square bottom bag A bag construction comprising an outer bag and an inner bag contained therewithin and a method of making the same. The bag has an independent unitary construction. The bag construction is made from a tube length having inner and outer portions, by cross s... | 09/22/1992 |
| 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 |
| 5139041 | Stop and lock plate for use with valve A valve having a rotatable valve stem for positioning the valve in open and closed positions is provided with a plate which is cooperable with a valve handle for both stopping the handle in either of the valve open or valve closed positions and for lockin... | 08/18/1992 |
| 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 |
| 5128033 | Oil separator An oil skimmer and separator for use in cleaning up oil spills utilizes a light weight water driven turbine for driving the oil separating means. The device is adapted to be powered by existing firefighting equipment such as fire pumps on ships and on fir... | 07/07/1992 |
| 5105971 | Carton A reclosable container having a box-like configuration is provided with means for severing the front and side walls thereof along a strip spaced below the upper end thereof for defining a hinge portion in the back wall end to divide the carton into a lid ... | 04/21/1992 |
| 5085770 | Oil separator An oil skimmer and separator for use in cleaning up oil spills utilizes a light weight water driven turbine for driving a mechanical oil separating means. The device is adapted to be powered by existing firefighting equipment such as fire pumps on ships a... | 02/04/1992 |
| 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 |
| 5018769 | Adapter fitting An adapter fitting made of two parts, a mounting member containing a fluid cavity and a flange member having bolt holes therein, is designed to enable fluid flow components of the type which can be bolted together and provide sealing at mating faces to be... | 05/28/1991 |
| 5010916 | Check valve A slip-in check valve is constructed of a cartridge valve body having a cage-like configuration and designed with a plurality of inlet windows providing flow passages for the flow of fluid radially outwardly from the valve seat and the inlet side of the v... | 04/30/1991 |
| 5011299 | Bag construction A bag of the gusseted square-bottom type having a generally rectangular bottom including a rectangular bottom fold portion and a triangular bottom fold portion is made with the triangular fold portion overlapping the rectangular fold portion. The triangul... | 04/30/1991 |
| 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 |
| 5000488 | Adapter fittings and connectors An adapter fitting made of two parts, a mounting member containing a fluid cavity and a flange member having bolt holes therein, is designed to enable fluid flow components of the type which can be bolted together and provide sealing at mating faces to be... | 03/19/1991 |
| 5000490 | Adapter fitting An adapter fitting made of two parts, a mounting member containing a fluid cavity and a flange member having bolt holes therein, is designed to enable fluid flow components of the type which can be bolted together and provide sealing at mating faces to be... | 03/19/1991 |
| 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 |
| 4976674 | Bag and method of making the same The bottom of a gusseted, square-bottom bag is sealed by applying a fin seal, a cross seal which intersects the fin seal, and a third seal at the intersection of the fin seal and the cross seal.... | 12/11/1990 |
| 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 |
| 4934411 | Insert means for fluid flow system An insert for a fluid flow system is constructed of a body having a plurality of faces two of which are adapted to mate with corresponding faces of fluid flow components of the system with the body inserted therebetween and a plurality of stud adapters ea... | 06/19/1990 |
| 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 |
| 4889369 | Adapter fitting An adapter fitting made of two parts, a mounting member containing a fluid cavity and a flange member having bolt holes therein, is designed to enable fluid flow components of the type which can be bolted together and provide sealing at mating faces to be... | 12/26/1989 |
| 4887850 | Adapter fitting An adapter fitting made of two parts, a mounting member containing a fluid cavity and a flange member having bolt holes therein, is designed to enable fluid flow components of the type which can be bolted together and provide sealing at mating faces to be... | 12/19/1989 |
| 4848405 | Insert means for fluid flow system An insert means for a fluid flow system includes a plurality of stacking bolts adapted to be connected in end-to-end relation. Each stacking bolt has an externally threaded male end and an enlarged portion providing an internally threaded female end. A wr... | 07/18/1989 |
| 4838424 | Carton structure for forming lined carton with interior insert A carton structure for use in forming a lined carton wherein an insert is retained and positioned between the carton blank and the liner so as to permit removal thereof without opening the liner.... | 06/13/1989 |
| 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 |
