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| Number | Title | Issue Date |
| 8092213 | Flame arrester insert and process for its production In a flame arrester insert comprising two metal strips (1, 2) wound together, of which a first metal strip (1) is a smooth strip and the second metal strip (2) is a grooved strip having defined grooving, so that they rest on each other at define... | 01/10/2012 |
| 7959434 | Flame arrester arrangement and method of incorporating bore in a flame arrester arrangement In a flame arrester arrangement which is formed from two metal strips (8, 9) which are wound together to form a disk having an approximately circular outer circumference and of which a first metal strip (8) is a smooth strip and the second metal strip ... | 06/14/2011 |
| 7955073 | Flame arrester arrangement and method of incorporating bores in a flame arrester arrangement In a flame arrester arrangement which is formed from two metal strips (8, 9) which are wound together to form a disk having an approximately circular outer circumference and of which a first metal strip (8) is a smooth strip and the second metal strip ... | 06/07/2011 |
| 7828546 | Naturally aspirated fluidic control for diverting strong pressure waves A pulse detonation device for dividing a pulse detonation shock wave into an primary and control portion to reduce the strength of a propagating shock wave and/or change its direction. The device contains a flow separator which directs a portion of the shock wave in... | 11/09/2010 |
| 7390190 | Flame arrestor with reflection suppressor A combination of a flame arrestor with a reflection suppressor is provided which not only arrests an advancing flame front, but also suppresses or mitigates a reflection wave that is generated by a pressure wave that passes through the combination and continues on t... | 06/24/2008 |
| 7241137 | Flame arrestor A flame arrestor for a flowing explosive gas (4), having a flame barrier (10, 20, 30) with a large number of defined passage gaps (17, 18), whose gap cross section is set with regard to the properties of the flowing gas (4), is cooled eff... | 07/10/2007 |
| 7178548 | Dry safety device for an inflammable gas A dry safety device for an inflammable gas comprises a case main body having a gas passage which terminates at one end in a primary side open port connectable to a source of inflammable gas and terminates at the other end in a secondary side open port connectable to... | 02/20/2007 |
| 7156193 | Continuous positive flow backflash prevention system A method and system for the prevention of backflash from an ignition source in a flare stack to a separator or wellbore particularly during drilling and production. A continuous positive flow of air or exhaust gas is provided into the flow of gases from the wellbore... | 01/02/2007 |
| 7056114 | Flame arrestor with reflection suppressor A combination of a flame arrestor with a reflection suppressor is provided which not only arrests an advancing flame front, but also suppresses or mitigates a reflection wave that is generated by a pressure wave that passes through the combination and continues on t... | 06/06/2006 |
| 7033407 | Method for internal heating reformation by oxidation A method of producing hydrogen by reforming a hydrocarbon or an aliphatic alcohol. The method includes preparing a columnar catalytic member having many axial passages and containing a reforming catalyst, a shift catalyst and an oxidation catalyst; preparing a refor... | 04/25/2006 |
| 7033166 | Valve having mechanism for diverting reverse gas flow The present invention is to provide a valve with a safety mechanism for diverting reverse gas flow being mountable in a gas lighter wherein a shoulder is formed around a mouth proximate a forward opening of a sleeve and is spaced apart from the forward opening by a ... | 04/25/2006 |
| 6997701 | Burner for a gas and air mixture A burner for a gas/air mixture with an inlet (2) for the gas/air mixture, wherein a jet tube (7) is located downstream of the inlet (2). The jet tube (7) has a jacket surface with a plurality of breakthroughs (8) and is surrounded ... | 02/14/2006 |
| 6979422 | Active flashback arrestor for use with head of a torch Flashback protection is provided proximate the head of a cutting torch by a fitting, which can be in the form of an adapter or a cutting tip for mounting to the head. The fitting includes a check valve and porous structure for restricting flashback. ... | 12/27/2005 |
| 6942466 | Mechanical pumps A mechanical pump having an inlet and spaced therefrom an outlet for the passage of fluid therethrough and incorporating at least one flame arrester. ... | 09/13/2005 |
| 6932594 | Method and device for low-emission non-catalytic combustion of a liquid fuel A method and device for low-emission, noncatalytic combustion of a liquid fuel. The method includes separately introducing the liquid fuel in a non-ignitable state into a mixing zone, vaporizing the liquid fuel in the mixing zone, separately introducing a gaseous ox... | 08/23/2005 |
| 6923645 | Gas mixing device A gas-mixing device includes a store tank, a mixing chamber provided in the store tank, an air intake tube provided in the mixing chamber and having an intake, and an outlet tube connected with the mixing chamber. Properly pressured air is pumped through the air int... | 08/02/2005 |
| 6916173 | Method and apparatus for operating gaseous fuel fired heater An apparatus for combusting a fuel and air mixture within a combustion chamber, particularly a combustion chamber of a gaseous fuel fired water heater. A pressure relief void is intentionally formed so that a combustion chamber forms communication with a surrounding... | 07/12/2005 |
| 6910881 | Flashback arrestor for use with head of oxy-fuel torch Flashback protection is provided in or proximate the head of a cutting torch by a fitting, which can be in the form of an adapter or a cutting tip for mounting to the head. The fitting includes a body and porous structure that is preferably carried by the body and i... | 06/28/2005 |
| 6805553 | Catalytic burner for a fuel gas generating stack system A burner arrangement for the combustion of a fuel gas/oxygen mixture, characterized by a body permeable for the mixture whose surface regions defining the free cross section of flow are covered with an oxidation catalyst, by a feeder device arranged on an intake sid... | 10/19/2004 |
| 6761558 | Heating apparatus using thermal reaction of brown gas The present invention relates to a heating apparatus using thermal reaction of brown gas. After brown gas generated from a brown gas generator passes hexane liquid in a flame arrester, it is burnt in a brown gas burner located at a lower portion of a heating element... | 07/13/2004 |
| 6755644 | Method and apparatus for operating gaseous fuel fired heater A method and apparatus for combusting a fuel and air mixture within a combustion chamber, particularly a combustion chamber of a gaseous fuel fired water heater. A pressure relief void is intentionally formed so that a combustion chamber forms communication with a s... | 06/29/2004 |
| 6726471 | Flashback arrestor for use with head of Oxy-fuel torch Flashback protection is provided in or proximate the head of a cutting torch by a fitting, which can be in the form of an adapter or a cutting tip for mounting to the head. The fitting includes a body and porous structure that is preferably carried by the body and i... | 04/27/2004 |
| 6699035 | Detonation flame arrestor including a spiral wound wedge wire screen for gases having a low MESG A detonation flame arrestor including an outer cylinder, an inner cylinder, and fill media. The outer cylinder and inner cylinder are secured to a canister flange on one end and include a domed face (cap) on the other end. On assembly, the inner cylinder ... | 03/02/2004 |
| 6644961 | Flame arrestor with reflection suppressor A combination of a flame arrestor with a reflection suppressor is provided which not only arrests an advancing flame front, but also suppresses or mitigates a reflection wave that is generated by a pressure wave that passes through the combination and con... | 11/11/2003 |
| 6356613 | Apparatus for the recombination of hydrogen in a gas mixture An apparatus for the recombination of hydrogen in a gas mixture, in particular for a nuclear power station, during the operation of which unintentional ignition of the gas mixture is avoided in a particularly reliable way. The apparatus contains a catalys... | 03/12/2002 |
| 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 |
| 6338319 | Water heater with flammable vapor flame arrestor and method of operation A water heater having a water-tight tank and a sealed combustion chamber in which the fuel burner is mounted. A flame arrestor is mounted in the bottom wall of the combustion chamber. The arrestor functions to allow combustion air to flow from the atmosph... | 01/15/2002 |
| 6309209 | Flash suppressor for hot water heater A flash suppressor for surrounding a gas-fired appliance, comprising a barrier for forming an enclosure around a lower portion of the appliance. The barrier has an inside wall, an outside wall and a space between the inside and outside walls. The outside ... | 10/30/2001 |
| 6295951 | Ignition inhibiting gas water heater A water heater including a water container; a combustion chamber located adjacent the container, the combustion chamber having a floor portion with an opening; a conduit extending upwardly from and being substantially sealed to the opening; a burner locat... | 10/02/2001 |
| 6295952 | Flammable vapor resistant water heater A water heater including a water tank, a combustion chamber beneath the tank, a gas burner in the combustion chamber, an air plenum upstream of the combustion chamber, a flame arrestor located such that air in the air plenum passes through the flame arres... | 10/02/2001 |
| 6290490 | Flash suppressor for hot water heater A flash suppressor for surrounding a gas-fired appliance, comprising a barrier for forming an enclosure around a lower portion of the appliance. The barrier has an inside wall, an outside wall and a space between the inside and outside walls. The outside ... | 09/18/2001 |
| 6273711 | Low velocity detonation trap for monopropellant fuel systems A Low Velocity Detonation (LVD) trap having acceleration, detonation and High Velocity Detonation (HVD) trap zones. The primary function is to prevent the propagation of LVD explosions in monopropellant fuel systems from propagating to the fuel storage ta... | 08/14/2001 |
| 6250913 | Burner A burner for combusting gaseous mixture of gaseous fuel with a combustion supporting gas, such as oxygen or air, comprising a burner tube (11) open at one end (11') and closed at its other end (11") with a flame holder (30) at which fuel is burnt adjacent... | 06/26/2001 |
| 6237512 | Waste liquid incinerator and method of incinerating waste liquid An incinerator for waste liquid comprises a container, a burner and an atomizer. An incineration chamber is defined inside the container. The incineration chamber has upper and lower sections, and the container has a vent adjacent to the upper section of ... | 05/29/2001 |
| 6196164 | Ignition inhibiting gas water heater A water heater including a water container; a combustion chamber located adjacent the container, the combustion chamber having a floor portion with an opening; a conduit extending upwardly from and being substantially sealed to the opening; a burner locat... | 03/06/2001 |
| 6179608 | Swirling flashback arrestor A structure is disclosed that will quench a flame front during a flashback event in a gas turbine while simultaneously providing a mixing function during normal operations. The device disclosed consists of two monoliths one upstream of the other. In the b... | 01/30/2001 |
| 6164957 | Transducer for gas flare pilot flame detection A pilot flame sensing system employs an electromagnetic transducer (41) at the bottom of a vertical stack (11) used for burning waste gases which incorporates a pilot burner (15) at the top of the stack (11). The electromagnetic transducer (41) responds t... | 12/26/2000 |
| 6123246 | Dual intermittent microflame system for discrete point soldering A dual intermittent microflame system for discrete point soldering comprising first and second gas valves which are each connected to a source of combustible gas. A combustible gas. A pair of gas lines connect the gas outlets of the first and second gas v... | 09/26/2000 |
| 6106276 | Gas burner system providing reduced noise levels A gas burner is provided for use on the inlet end of a fire tube, and includes a mixer having attached to it a gas delivery pipe, fuel gas and air being combined in the mixer to provide mixed gas and air. A venturi is secured at its inlet end to the mixer... | 08/22/2000 |
| 6082310 | Air inlets for water heaters A water heater includes a water container, a combustion chamber adjacent said water container having at least one inlet to admit air and extraneous fume species into the combustion chamber, at least one inlet comprising a metal plate having a thickness of... | 07/04/2000 |
