U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Famous Patents

The first match was accidentally discovered in 1826 when John Walker scraped a stick with chemicals on the end against a stone floor.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Assignee: Dynamit Nobel Aktiengesellschaft


Location: Troisdorf, DE
No. of patents: 379

1                    
NumberTitleIssue Date
6651563Ignition elements and finely graduatable ignition components
An ignition element consists of a combination of first and second ignition components. The first ignition component contains at least one primer, at least on heat-conducting additive selected from the group consisting of zirconium, aluminum, titanium, fer...
11/25/2003
6168674Process of phosphatizing metal surfaces
In a process of phosphatizing metal surfaces, which at least partly consist of iron or steel, in accordance with the low-zinc technology, the metal surfaces are brought in contact with aqueous acid phosphatizing solutions at a temperature of 30 to 65° C....
01/02/2001
6026666Method for manufacturing internally geared parts
A flow-turning process for manufacturing internally geared parts, including a press mandrel (10) comprising a mandrel (1) on which is fitted a forming tool (2) and one or more pressure rollers (3). A workpiece (4) is held between the forming tool (2) or p...
02/22/2000
5837148Nitrate recovery plant
A process for removing inorganic and/or oxidizable nitrogen compounds from industrial effluent. The nitrogen compounds in the effluent can be simultaneously recovered for use in production processes. The method for eliminates inorganic nitrogen compounds ...
11/17/1998
5783987Pyrotechnic high-current safety fuse element
A pyrotechnic high-current fuse element in which a current conductor located in a circuit to be protected is interrupted or displaced by ignition of a pyrotechnic charge when the current strength in the circuit exceeds a threshold value includes a separat...
07/21/1998
5750920Granulated, stabilized ଱-and ଲ-octogen
The current invention treats ଱-octogene which, with the aid of a new procedure, has been coated with synthetic materials in such a manner that it does not convert into ଲ-octogene at room temperature The coating is done at temperatures between ...
05/12/1998
5746026Method for unlocking a window pane of a railroad car with an inflatable pressure tube
A method for unlocking a window pane secured by a fastening element to a frame element of a window frame, with an inflatable pressure tube being located between the window pane and the frame element, said tube, upon being inflated, forcing the window pane...
05/05/1998
5660803Liquified gas-containing generator for an inflatable impact protection cushion for protecting a motor-vehicle occupant against injury
A liquified gas-containing generator has a casing in which a reaction container containing liquified gas is accommodated. So as to trigger combustion of the liquified gas a puncture element with an overflow channel is driven into the reaction container. T...
08/26/1997
5589657Detonating system having a detonator within an insulating container
A detonating system includes a detonator within a thermal insulating container. In order for the detonator, especially an electronic detonator, to be usable at higher temperatures, the detonator is surrounded by the thermal insulating container especially...
12/31/1996
5578785Metal complex compounds
Metal complex compounds having the general formula Me(DADPyOx)x wherein Me stands for a transition metal ion, DADPyOx stands for 2,6-diamino-3,5-dinitropyridine-1-oxide and x represents an integer of 1, 2, 3, or 4. These compounds are useful as...
11/26/1996
5495748Gas leakage monitoring of a gas or liquid container
The invention relates to a method and an apparatus for monitoring of gas leakage from a gas or liquefied gas container. For simple and reliable monitoring of gas leakage, parts of the container (1) where there is a risk of leakage are connected to an at l...
03/05/1996
5492065Plastic cartridge for a firing device, particularly a bolt gun
A plastics cartridge has a cartridge body provided with a flange which has a plastic casing body, open on one side, is for accommodating a propellent charge and an ignition charge for igniting the propellant charge and has a plastics cover for closing the...
02/20/1996
5481978Cartridge case
A cartridge case especially for firing in handguns has a primer receiving pocket provided in the bottom or rear portion as a cylindrical recess, into the top of which at least one flash hole terminates, a primer cap mounted flush in the primer receiving p...
01/09/1996
5471932Gas generator, especially for an airbag
A gas generator, especially for an airbag of a vehicle having a cylindrical outer tube, open end faces of which are closed by cover elements, comprising an inner tube of smaller diameter which is arranged coaxially inside the outer tube and which has outf...
12/05/1995
5471903Device for igniting a propellant charge, a cartridge for the charge and a magazine for holding cartridges, especially for stud setting or driving tools
A device for igniting a propellant charge is provided with a housing defining a cavity wherein a piston is displaceably guided. The cavity is connected via a bore acting as a nozzle to a chamber wherein a case member of a cartridge is arranged for accommo...
12/05/1995
5466313Gas-producing material
A gas-producing material for a gas generator, particularly for a belt tightener or for an inflatable impact cushion (airbag) to protect motor vehicle occupants, containing a liquefied gas mixture in which the liquefied gas components consist of a mixture ...
11/14/1995
5446986Removable firearm lock
In a multiple-barrel firearm with removable lock housing, the two axially moveable strikers are arranged in superposed relationship, preferably being angular and provided with grooves or edges; this arrangement permits, even in case of only one solid side...
09/05/1995
5433147Ignition device
An electrical ignition device (1) has a metal container (2) for a firing resistor or bridge, a first (3) and a second (4) terminal pin and at least one ignition charge (5, 6). So that firing of the ignition charge does not occur in the event of electrical...
07/18/1995
5415845Gas generator, particularly for an inflatable impact cushion for protecting an occupant of a motor vehicle from injury
Gas generator for an inflatable impact cushion for protecting an occupant of a motor-vehicle from injury, has a housing, in which is formed a storage chamber for liquid gas. The storage chamber is separated by a partition wall from a combustion chamber al...
05/16/1995
5415105Tandem warhead with piezoelectric percussion fuses
The invention relates to a tandem warhead with a preliminary charge (1) and a main charge (2) respectively each with an associated fuse (3, 4). So that on ignition two fuses (3, 4) which are completely identical can be used, piezoelectrical percussion fuses (3...
05/16/1995
5394801Fuse head
One fuse head has an insulating pole body with electrically conducting longitudinal strips, an incandescence bridge arranged on the pole body between the strips and connecting wires. The glow bridge and the connecting wires each being connected via solder...
03/07/1995
5388860Safety device for protecting the passenger of a motor vehicle from injury in a collision
The safety device has a gas generator for generating gas, which is accommodated in a rigid housing. The housing is open at one side and is sealed in this region by an originally folded sheet of a gas cushion. When igniting the gas generator, the sheet unf...
02/14/1995
5355766Device for igniting a propellant charge, a cartridge for the charge and a magazine for holding cartridges, especially for stud setting or driving tools
A magazine for cartridges ignitable by adiabatic compression is especially useful for stud driving or setting tools. The magazine has a plurality of cartridges made of synthetic resin and a magazine belt made of synthetic resin for connecting the pluralit...
10/18/1994
5309855Submarine weapon
In a submarine weapon, particularly for combating submarines, a rocket engine with continuous rocket thrust is utilized as the submarine drive unit. An actively locating, acoustic target seeking device is provided for target detection and target pursuance...
05/10/1994
5308370Filter device for filtering a gas flow
A filter device for filtering a gas flow, especially for filtering the gases produced by a gas generator for an impact protection cushion, comprises a filter element exhibiting several filter material plies of varying permeability lying in series in the f...
05/03/1994
5294414Gas generator, in particular, a tubular gas generator for an air bag
The gas generator has two tubes, coaxial to each other, with different diameters, between which there is formed an annular intermediate chamber. The inner tube is filled with gas-producing material in the form of pellets, which develops pressure gas when ...
03/15/1994
5291014Passive safety device using optical signals for controlling an airbag system of a vehicle, method for optically triggering the passive safety device, and optomechanical acceleration sensor
A passive safety device comprises a sensor unit for determining vehicle accelerations and decelerations, an evaluating unit for evaluating the output signal of the sensor unit, and a triggering unit for the activation of an occupant protection system upon...
03/01/1994
5279201Plastic cartridge and plastic cartridge-belt magazine
A cartridge is made up of a synthetic resin case member and a synthetic resin lid. The case member contains a first receiving chamber for receiving an igniter charge and a second receiving chamber for the accommodation of a propellant charge. A synthetic ...
01/18/1994
5261328Broad-area defense mine with expanded effective zone
In a broad-area defense mine, the inclination under which an active member can rise or can be fired from an ambush position can be varied with the aid of at least one adjusting member between the positioning frame and a mounting or support for the active ...
11/16/1993
5259644Ignition unit, in particular for an air bag gas generator
An ignition unit is provided with an internal housing defining a chamber in which an ignition charge and an ignition element igniting the charge are accommodated. The housing defining the chamber consists of a cover and a container which are connected to ...
11/09/1993
5255938Tubular gas generator for an inflatable impact cushion
A gas generator is provided with an outer tube and an inner tube arranged coaxially within the outer tube. The pressure gas-generating charge is accommodated in the inner tube, the charge being ignited by an ignition unit. The generator is closed at the e...
10/26/1993
5253895Gas generator, with safety device, for an air bag
The gas generator has a cylindrical housing, the front ends of which are closed by closure covers. A cylindrical outer section of the housing consists of high-grade steel; whereas the closure covers are made of aluminum, which has a thermal conductivity w...
10/19/1993
5243914Caseless ammunition
This invention deals with case-less ammunition, the propelling element of which has increased solidity. This increase in solidity is achieved by virtue of the fact that the propelling charge is firmly enveloped in a fabric. The fabric may consist of compl...
09/14/1993
5237928Combustible cartridge case
Combustible cartridge shells have cylindrical walls formed of combustible material. The walls comprise one or more wraps or windings of textile fibers, which are bound together with bonding agents having propellant charge characteristics. The bonding agen...
08/24/1993
5230841Method for preparation of porous propellants
A method for producing porous propellant charges from a mixture containing a propellant and a filler is described wherein a propellant having a decomposition temperature above 200° C. is employed with a thermally removable filler to provide the charge fo...
07/27/1993
5227577Device for firing ammunition
A device for firing ammunition includes a combustion chamber accommodating several propellant charge members which latter contain a propellant charge and an ignition system for igniting the propellant charge. A fixedly disposed primary coil which receives...
07/13/1993
5225621Process for producing a jacketed fuse and fuse product
A fuse having a protective jacket is utilized, for example, in petroleum exploration at large depths where the fuse must withstand high temperatures and pressures. The jacket is produced from a shrinkable hose that is shrink-fitted onto the unfinished cor...
07/06/1993
5216200Device for igniting a propellant charge, a cartridge for the charge and a magazine for holding cartridges, especially for stud setting or driving tools
A device for igniting a propellant charge is provided with a housing defining a cavity wherein a piston is displaceably guided. The cavity is connected via a bore acting as a nozzle to a chamber wherein a case member of a cartridge is arranged for accommo...
06/01/1993
5198614Mine with a laying device for a sensor line
In a mine capable of righting itself, laying devices for sensor lines are attached on the outside to the topside of a mine housing. During storage and during transport, the laying devices are, in their initial position, in close contact with the topside o...
03/30/1993
5176895Process for the continuous production of sodium azide
The present invention deals with the continuous production of sodium azide from sodium amide and nitrous oxide. This reaction takes place on a support material for sodium amide consisting of a mixture of sodium azide and sodium hydroxide. This mixture is ...
01/05/1993
1                    
 
Sign InRegister
Username  
Password   
forgot password?