William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 8002136 | Explosion-proof material and its processing method The present invention provides an explosion-proof material which includes a high-porosity sheet (11); With one side(12) of the material as center, the high-porosity sheet (11) is wound into multilayer material body(1) along the direction ... | 08/23/2011 |
| 7967162 | Double-walled blow-molded container including an undercut feature An undercut for a blow-molded container is provided and may include a top surface, first and second side surfaces, and first and second end surfaces. The side surfaces are connected to the top surface, and the side surfaces may be substantially flat, substantially p... | 06/28/2011 |
| 7360605 | Thermally protected reservoir for onboard fire suppression system An automotive vehicle includes a vehicle body and at least one reservoir containing a fire suppressant agent. A distribution system receives the fire suppression agent from the reservoir and conducts the agent to at least one location about the vehicle's body in res... | 04/22/2008 |
| 7353967 | Container, in particular, inner pallet container A pallet container has a container wall having an outlet opening and a drainage fixture with a flange. The drainage fixture is connected to the outlet opening in the container wall and fastened by the flange to the container wall. A conductor element is provided to ... | 04/08/2008 |
| 7316855 | Fuel cell assembly for portable electronic device and interface, control, and regulator circuit for fuel cell powered electronic device A fuel cell assembly including a membrane electrode assembly, an anode plate, a cathode plate, a removable fuel cartridge, and a fuel delivery system. The assembly includes an anode, a cathode, and a polymer electrolyte membrane having a fuel side and an oxygen side... | 01/08/2008 |
| 7311054 | High volume liquid containment system for ships A liquid containment system for an ocean-going vessel. The liquid containment system includes a tank having converging upper walls. The converging upper walls of the tank contain a substantial portion of the liquid therebetween and reduce the free surface area assoc... | 12/25/2007 |
| 7311216 | Modular container assembled from fiber reinforced thermoplastic sandwich panels An improved, load bearing, modular design container structure assembled from thermoformed FRTP sandwich panels in which is utilized the unique core-skin edge configuration of the present invention in consideration of improved load bearing performance, improved usefu... | 12/25/2007 |
| 7281309 | Explosion resistant waste container An explosion resistant waste container (10) includes an outer open-topped container (16). The outer open-topped container (16) is sized to receive an inner open-topped container (12) and leave a space therebetween. Both the outer open-top... | 10/16/2007 |
| 7243614 | Modular animal enclosure A modular animal enclosure includes a housing comprising a top portion affixed to a base portion to form a sheltered interior. The housing includes a door aperture and a climate conditioning aperture. A remove ably attachable climate conditioning unit is installed o... | 07/17/2007 |
| 7225941 | Reconditioned propane cylinders A reconditioned used propane gas tank or cylinder having (1) aluminum mesh inserts formed from a sheet of aluminum mesh and positioned into the propane cylinder/tank to provide a large wetted surface area inside the tank for increasing the efficiency of vaporization... | 06/05/2007 |
| 7165484 | Blast-resistant cargo container A blast-resistant cargo container includes side panels and connecting members. The connecting members are mounted between the adjacent side panels to create a frameless structure of the cargo container. Under ordinary conditions, the structure still has sufficient s... | 01/23/2007 |
| 7150353 | Method for safe handling of unstable hydride gases A method for safely handling unstable hydrides, such as germane, in an enclosure which has one or more openings, by partitioning the enclosure into smaller but interconnected volumes and providing heat storage and transfer within the enclosure to rapidly remove heat... | 12/19/2006 |
| 7037030 | Project ‘M’—vehicular inspection Rigi-Frame and crash beam A rigid frame inspection structure (“Rigi-Frame”) and method for housing radiation, contagion, explosive, and other forms of detection and surveillance equipment, while providing crash beams that form horizontal fixed obstacles with the ability to impede vehicle... | 05/02/2006 |
| 7033039 | Trash storage apparatus A trash storage apparatus includes a can, an illuminating element and a driver. The can is used for receiving garbage. The illuminating element is mounted on the can. The driver is used for driving the illuminating element to shine in the dark. The trash storage app... | 04/25/2006 |
| 6966401 | Sound absorbing device for fuel tank A sound absorbing device is attached to an inside of a fuel tank for alleviating and absorbing sound of liquid accompanied by fuel movement inside the fuel tank. The sound absorbing device includes a screen member formed in a flat bag shape, and small pieces stored ... | 11/22/2005 |
| 6938533 | Blast attenuation container A blast attenuation container, such as a litter bin or a container for storing explosive devices, is provided. The container includes an outer cover (22) defining an internal cavity and an inner receptacle (2) for containing litter or explosive devices... | 09/06/2005 |
| 6920994 | Garbage storage device A garbage storage device includes a base, a bin, a pedal, a lid, a linkage, a buffer and a guide. The bin is installed on the base. The pedal is mounted on the bin. The lid is mounted on the bin. The linkage includes a crankshaft and a rod. The crankshaft includes a... | 07/26/2005 |
| 6751835 | Method for reconditioning propane cylinders The method for reconditioning a used propane gas tank or cylinder comprises the steps of: removing an existing relief valve from the tank; rolling up sheets of aluminum mesh material into mesh inserts and clipping the rolled up sheet with two clips; inserting the al... | 06/22/2004 |
| 6699563 | Compositions of matter for stopping fires, explosions and oxidations of materials and build up of electrostatic charges and method and apparatus for making same An expandable metal product for use in extinguishing fires and in the prevention of or protection against explosions. The product is a continuous sheet of magnesium alloy foil having discontinuous slits in spaced apart lines parallel to each other but tra... | 03/02/2004 |
| 6626322 | Receptacle for spent smoking materials A receptacle for spent smoking materials is provided. The receptacle includes a base portion defining a chamber for containing the smoking materials. The base portion has an open upper end having a rim. The receptacle also includes an upper portion having... | 09/30/2003 |
| 6622880 | Foam insert for pressure vessels A foam insert is adapted for use in combination with a pressure vessel. The cylinder is made of an open cell foam and is sized to fit within the pressure vessel. The cylinder has a top portion and a bottom portion that correspond to a top and bottom of th... | 09/23/2003 |
| 6604644 | Filler element for a tank Filler elements for a tank of combustible fluid described herein are formed from a sheet of foil mesh material by a multiple fold technique. The folding process places the free edges of the sheet in the center of the filler element where they are protecte... | 08/12/2003 |
| 6527002 | Apparatus and method for use with a container for storing a substance An apparatus (1) for use with a container (100) for storing a substance. Typically, the substance is a volatile liquid, such as hydrocarbon fuels, alcohol or distilled liquids. The apparatus (1) acts to prevent filling and evaporative losses of the liquid... | 03/04/2003 |
| 6342082 | Apparatus for rendering a detonation front harmless A detonation safety device having a flame-arresting device positioned in a housing. A pipe extends into the housing and proximate to the flame arresting device. In order to render a detonation front traveling in a pipe harmless, the detonation front is co... | 01/29/2002 |
| 6283320 | Conductive plastic container for volatile liquids A container for volatile liquids, such a gasoline, is made of a conductive plastic material. An electrical connection is made to the container, such as by using a metal hose clamp around the neck of the container (or a threaded stud which is molded into t... | 09/04/2001 |
| 6196107 | Explosive containment device The inventive device includes a box-shaped steel shell and rigid polyurethane foam which partially occupies the shell's interior so as to leave a compartment to be used for situation of a suspected explosive object. The compartment is accessed by a doored... | 03/06/2001 |
| 6179148 | Fuel cap A fuel cap (210) of the present invention includes a closure member (16), a handle (14) for turning closure member (16) to engage and close a filler neck (12), and a conductor (204) configured to conduct an electrical charge from handle (14) to filler nec... | 01/30/2001 |
| 6178991 | Safety container for potentially explosive and/or environmentally hazardous substances Large amounts of hazardous goods, especially liquid ones such as fuel, may be carried in safety containers, whether tank semitrailers, oil tankers, containers for hazardous goods or aircraft, and be transported with practically no risk for the environment... | 01/30/2001 |
| 6145686 | Fume, fire, and flash explosion containment apparatus using a fabric enclosure A system for carrying supplemental oxygen bottles on a passenger aircraft has an oxygen canister locker enclosed in a special high temperature resistant fabric enclosure to prevent the spread of fire and fumes. The fabric enclosure has a sealable opening ... | 11/14/2000 |
| 6131667 | Manual and automatic fire extinguishing systems A fire extinguisher which maintains a constantly high pressure inside a shell of the fire extinguisher through out a shelf-life of the fire extinguisher comprising an ejection chamber having internal threads at its lower edge and a shell having external t... | 10/17/2000 |
| 6119715 | Automated pneumatic purger An automatic control system for providing pneumatic purging protection for a sealed enclosure containing electrical equipment in accordance with the National Fire Protection Association standards. The system supplies a purge gas under a pre-ordained press... | 09/19/2000 |
| 6112931 | Blast attenuating containers An aircraft cargo container adapted to provide blast attenuation in the event of an explosion within the container comprises panels (2,3) of blast resistant material joined together by joint means (4,5) which are adapted to provide a relatively rigid join... | 09/05/2000 |
| 6105676 | Flame arrester A highly efficient flame arrester adapted for use in preventing an external flame from backflashing upstream in a pipe, or a conduit, or a stream carrying a flammable substance. The flame arrester comprises a contained layer of nested ellipsoids formed fr... | 08/22/2000 |
| 6092272 | Modified container using inner bag In accordance with the present invention, in an aircraft storage container which is used for the transport of cargo items, defines an enclosed interior compartment and includes a hatch for selectively accessing the interior compartment, there is provided ... | 07/25/2000 |
| 6062316 | Compositions of matter for stopping fires, explosions and oxidations of materials and build up of electrostatic charges An expandable metal product for use in extinguishing fires and in the prevention of or protection against explosions. The product is a continuous sheet of material having discontinuous slits in spaced apart lines parallel to each other but transverse to t... | 05/16/2000 |
| 6062417 | Liquid storage tank and baffle system A liquid storage tank and non-permanent baffle system, wherein the storage tank encloses a liquid storage space, wherein the system includes the liquid storage tank, an opening provided in a surface of the liquid storage tank, and a plurality of spherical... | 05/16/2000 |
| 6040526 | Access panel retention device A crash-survivable enclosure assembly (5) for protecting a data memory unit (45) used in vehicles. The crash-survivable enclosure assembly has an enclosure (10) which has an access opening (30) and an inner enclosure surface (22). A fixed position access ... | 03/21/2000 |
| 6019237 | Modified container using inner bag In accordance with the present invention, in an aircraft storage container which is used for the transport of cargo items, defines an enclosed interior compartment and includes a hatch for selectively accessing the interior compartment, there is provided ... | 02/01/2000 |
| 6012446 | Fuel container for a spirit stove A fuel container (10) for a spirit stove, including a can-shaped lower part (11), a cover (12), a net and a spacer for maintaining a space between the cover and the net. The cover has an inner edge which defines an opening (15). The opening receives an up... | 01/11/2000 |
| 6003709 | Fuel cap A fuel cap which is to be attached to a filler neck which is open for a fuel supply has a closure which is to be fitted to the filler neck and which is made of a resin, and a shell which covers an upper part of the closure and which is made of a resin. Th... | 12/21/1999 |