Patents by Inventor Manfred Döring
Manfred Döring has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8939857Abstract: A power tool and a belt pulley of a belt drive for a power tool is provided with a tool driven by a motor by way of a belt drive, whereby the belt drive has a belt pulley rotating about a drive axle on the drive side and a belt pulley rotating about a tool axle on the tool side, and whereby a belt can be tensioned over the belt pulleys. At least one of the belt pulleys can be moved into an eccentric position in relation to its holding axle, with an assembly element being provided, with which the belt pulley can be returned into the concentric position in relation to the axle.Type: GrantFiled: January 19, 2012Date of Patent: January 27, 2015Assignee: Makita CorporationInventors: Manfred Doering, Cavit Dogan
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Publication number: 20140316032Abstract: The present invention relates to the use of aromatic P—N-compounds in flame retardant polymer compositions. These compositions are especially useful for the manufacture of flame retardant compositions based onthermoplastic polymers, especially polyolefin homo- and copolymers, polycondensates, such as polyamines or polyesters and duroplastic polymers, such as polyepoxides.Type: ApplicationFiled: November 8, 2012Publication date: October 23, 2014Applicant: BASF SEInventors: Rainer Xalter, Michael Roth, Manfred Doering, Ciesielski Michael, Sebastian Wagner
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Publication number: 20140287857Abstract: A power cutter with an engine and with a cutting arm on which a cutting tool is received and is driven by the engine by way of a belt is provided. The belt may be received in a belt space formed in the cutting arm, and a fan wheel is arranged on the engine so that an air flow for cooling the engine can be generated. A combustion-air flow is provided to the engine, and the fan wheel provides an air circulation system where an air flow at least flows through the belt space and the combustion-air flow branches off from the air circulation system.Type: ApplicationFiled: March 19, 2014Publication date: September 25, 2014Inventor: Manfred DOERING
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Publication number: 20140243455Abstract: The present invention relates to the use of aromatic P-piperazine-compounds in flame retardant polymer compositions. These compositions are especially useful for the manufacture of flame retardant compositions based on thermoplastic polymers, especially polyolefin homo- and copolymers, polycondensates, such as polyamines or polyesters and duroplastic polymers, such as polyepoxides.Type: ApplicationFiled: November 13, 2012Publication date: August 28, 2014Applicant: BASF SEInventors: Rainer Xalter, Michael Roth, Manfred Doering, Michael Ciesielski, Sebastian Wagner
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Publication number: 20140230211Abstract: A power cutter includes a housing, a first return pulley borne in a rotating manner in the housing and driven directly by a motor arranged in the housing, a cutting arm connected to the housing has a housing in which a second return pulley is arranged in a rotating manner, and is driven by a tension means guided over the first return pulley and the second return pulley, as well as a cutting tool which can be detachably fastened to the cutting arm, and a method of changing the position of a cutting tool of a power cutter, through which handling during changing the position of the cutting tool can be simplified. For the detachable fastening of the cutting tool, the cutting tool is borne on a shaft, whereby the shaft can be detachable fastened to two opposite sides of the second return pulley.Type: ApplicationFiled: February 12, 2014Publication date: August 21, 2014Applicant: MAKITA CORPORATIONInventor: Manfred DOERING
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Patent number: 8714137Abstract: In order to provide a carburettor unit for motorized equipment, in particular hand-operated motorized equipment such as a chain saw, a trimmer, a lawn-cutting appliance, a foliage clearing appliance or suchlike, having a housing , in which a throttle valve and a choke valve are held so as to be movable respectively between a closed position and an open position, which overcomes the disadvantages of the prior art and in which an incorrect position between the throttle valve and the choke valve is avoided, it is proposed that a locking element is provided, which is adjustable through the movement of the throttle valve and cooperates with the choke valve such that a movement of the choke valve into the closed position is locked when the motorized equipment is set in operation.Type: GrantFiled: November 19, 2009Date of Patent: May 6, 2014Assignee: DOLMAR GmbHInventors: Manfred Doering, Torsten Haussner
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Patent number: 8691896Abstract: Disclosed is a polymer foam with density in the range from 5 to 120 kg/m3 composed of a polymer component including at least one styrene polymer and from 0.1 to 5 parts by weight of a flame retardant mixture including at least one phosphorus compound of the formula PR1R2R3. A process for producing the polymer is also disclosed.Type: GrantFiled: February 7, 2011Date of Patent: April 8, 2014Assignee: BASF SEInventors: Klaus Hahn, Olaf Kriha, Ingo Bellin, Patrick Spies, Sabine Fuchs, Peter Deglmann, Klemens Massonne, Hartmut Denecke, Christoph Fleckenstein, Geert Janssens, Maximilian Hofmann, Manfred Döring, Ciesielski Michael, Jochen Wagner
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Publication number: 20140073467Abstract: In order to provide a belt drive for a motor-driven tool with a first, drive-side belt pulley, a second, tool-side belt pulley and a belt that can be tensioned over the first and the second belt pulley, that is characterised by being easier to use, it is proposed that a cam, rigidly connected with a shaft, is arranged in the first or second belt pulley, whereby during a rotational movement of the shaft the belt pulley can be moved from an eccentric arrangement in relation to the shaft into a concentric arrangement by way of a translational movement and a rotational movement of the belt pulley.Type: ApplicationFiled: August 28, 2013Publication date: March 13, 2014Applicant: MAKITA CORPORATIONInventor: Manfred DOERING
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Publication number: 20130143984Abstract: The invention relates to curable compositions which comprise epoxy resins, amino hardeners, and a phosphonate of the formula I. Addition of phosphonate of the formula I can give cured epoxy resins which have not only improved flame retardants but also an increased glass transition temperature when comparison is made with the corresponding resins without said addition.Type: ApplicationFiled: June 7, 2012Publication date: June 6, 2013Applicant: BASF SEInventors: Michael Henningsen, Achim Kaffee, Jean-Francois Stumbe, Manfred Doering, Alexander Schmidt, Lin Zang, Volker Altstaedt, Johannes Kraemer
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Patent number: 8426483Abstract: The present invention relates to initiators of the general formula {[M(L)a]Xb}n, wherein said initiators preferably have (SbF6?) as a counterion and are obtainable by a complexing reaction of a corresponding metal-SbF6 salt with a corresponding ligand (L). The present invention further relates to preparations and epoxy resin systems that contain such initiators and, in particular, are non-thermally and/or thermally curable.Type: GrantFiled: October 18, 2007Date of Patent: April 23, 2013Assignee: Henkel AG & Co. KGaAInventors: Manfred Döring, Ulrich Arnold, Marcel Roth, Emilie Barriau, Ulrike Schmidt-Freytag, Volker Alstädt, Felipe Wolff Fabris, Jan Sandler
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Publication number: 20120292582Abstract: The invention relates to ammonium salts of 9,10-dihydro-10-hydroxy-9-oxa-10-phosphaphenanthrene-10-one or -10-oxide (DOPO-OH) of formula I: wherein X is selected from ammonia, melamine, and guanidine, as well as ring-opened hydrolyzates thereof according to the following formula II: wherein X is defined as above.Type: ApplicationFiled: April 17, 2012Publication date: November 22, 2012Applicant: Krems Chemie Chemical Services AGInventors: Thomas Zich, Fritz Freidl, Bernadette Mehofer, Michael Hönel, Johannes Artner, Manfred Döring, Michael Ciesielski
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Publication number: 20120259044Abstract: The invention relates to a curable composition comprising one or more epoxy compounds, one or more anionically curing catalysts, and an addition of one or more dendritic polymers, selected from the group consisting of the dendritic polyester polymers, the dendritic polyesteramide polymers, and the dendritic polymers based on 1,3,5-tris-alkanol-substituted cyanuric acid. These dendritic polymers improve mechanical properties, in particular the toughness of the cured epoxy resin.Type: ApplicationFiled: April 5, 2012Publication date: October 11, 2012Applicant: BASF SEInventors: Michael HENNINGSEN, Jean-Francois Stumbe, Anna Cristadoro, Volker Alstaedt, Manfred Doering, Lin Zang, Alexander Schmidt, Johannes Kraemer
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Patent number: 8247517Abstract: The use of 1,3-substituted imidazolium salts of the formula I in which R1 and R3 independently of one another are an organic radical having 1 to 20 C atoms, R2, R4, and R5 independently of one another are an H atom or an organic radical having 1 to 20 C atoms, it also being possible for R4 and R5 together to form an aliphatic or aromatic ring, and X is a dicyanamide anion as latent catalysts for curing compositions comprising epoxy compounds.Type: GrantFiled: June 9, 2008Date of Patent: August 21, 2012Assignee: BASF SEInventors: Lars Wittenbecher, Michael Henningsen, Georg Degen, Matthias Maase, Manfred Doering, Ulrich Arnold
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Publication number: 20120186843Abstract: A motor unit has a tool for engaging a work piece with a frame unit, which has a gripping element for the handheld operation of the device, wherein a mechanical coupling is provided between the motor unit and frame unit, which encompasses at least one dampening element, in such a way that makes it possible to precisely guide the tool while improving the dampening of vibrations between the motor unit and frame unit. The frame unit has at least one abutting element, against which the motor unit abuts when a working force exerted by the work piece on the tool has a value below a minimum value.Type: ApplicationFiled: January 6, 2012Publication date: July 26, 2012Applicant: MAKITA CORPORATIONInventors: Michael Schönfeld, Manfred Döring
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Publication number: 20120190488Abstract: A power tool and a belt pulley of a belt drive for a power tool is provided with a tool driven by a motor by way of a belt drive, whereby the belt drive has a belt pulley rotating about a drive axle on the drive side and a belt pulley rotating about a tool axle on the tool side, and whereby a belt can be tensioned over the belt pulleys. At least one of the belt pulleys can be moved into an eccentric position in relation to its holding axle, with an assembly element being provided, with which the belt pulley can be returned into the concentric position in relation to the axle.Type: ApplicationFiled: January 19, 2012Publication date: July 26, 2012Applicant: MAKITA CORPORATIONInventors: Manfred DOERING, Cavit DOGAN
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Publication number: 20120172467Abstract: The invention relates to a flame retardant comprising a) at least one sulfur compound of the formula (I) b) at least one halogen-free organophosphorus compound with phosphorus content in the range from 0.5 to 40% by weight, based on the phosphorus compound.Type: ApplicationFiled: December 23, 2011Publication date: July 5, 2012Applicant: BASF SEInventors: Ingo Bellin, Patrick Spies, Sabine Fuchs, Christoph Fleckenstein, Peter Deglmann, Maximilian Hofmann, Rainer Ostermann, Klaus Hahn, Hartmut Denecke, Klemens Massonne, Geert Janssens, Manfred Döring, Ciesielski Michael, Jochen Wagner
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Patent number: 8202580Abstract: 1,3-substituted imidazolium salts of the formula I are used as latent catalysts for curing compostions comprising epoxy compounds: in which: R1 and R3 independently of one another are an organic radical having 1 to 20 C atoms; R2, R4, and R5 independently of one another are an H atom or an organic radical having 1 to 20 C atoms, it also being possible for R4 and R5 together to form an aliphatic or aromatic ring; X is the anion of a phosphorus oxyacid, and n is 1, 2 or 3.Type: GrantFiled: June 6, 2008Date of Patent: June 19, 2012Assignee: BASF SEInventors: Lars Wittenbecher, Georg Degen, Michael Henningsen, Matthias Maase, Manfred Doering, Ulrich Arnold
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Patent number: 8193297Abstract: The use of 1,3-substituted imidazolium salts of the formula I in which R1 and R3 independently of one another are an organic radical having 1 to 20 C atoms, R2, R4, and R5 independently of one another are an H atom or an organic radical having 1 to 20 C atoms, it also being possible for R4 and R5 together to form an aliphatic or aromatic ring, and X is a thiocyanate anion as latent catalysts for curing compositions comprising epoxy compounds.Type: GrantFiled: June 6, 2008Date of Patent: June 5, 2012Assignee: BASF SEInventors: Lars Wittenbecher, Matthias Maase, Georg Degen, Michael Henningsen, Manfred Doering, Ulrich Arnold
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Patent number: 8080075Abstract: In order to provide an intake system for sucking in combustion air of an internal combustion engine of a piece of equipment, in particular a portable, manually guided piece of equipment, having more than one centrifugal separator comprising a centrifugal separator housing, and having an air filter device comprising an air filter housing, which bounds an air filter receiving space for an air filter, in which the combustion air can be separated by means of the centrifugal separator into a core volume stream and an outer volume stream, wherein the core volume stream is fed to the internal combustion engine through the air filter receiving space, which intake system is as compact as possible and correspondingly designed to be not very component-intensive, it is proposed for the centrifugal separator housing to be arranged on the air filter housing such that it ends directly at the air filter receiving space or projects directly into the air filter receiving space.Type: GrantFiled: November 5, 2009Date of Patent: December 20, 2011Assignee: DOLMAR GmbHInventors: Manfred Doering, Carsten Ziegs, Torsten Luethje, Jan Janzen, Florian Soldat
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Patent number: 8058329Abstract: Nitrous bridged derivatives of 6H-dibenz[c,e][1,2]-oxaphosphorine-6-oxides, process for the preparation and use thereof. The invention refers to nitrous bridged derivatives of 6H-dibenz[c,e][1,2]-oxaphosphorine-6-oxides, a process for the preparation thereof and their use as flameproofing agents for polymers such as polyesters, polyamides, polycarbonates, polystyrenes, polyethylene, polypropylene, phenolic and epoxy resins.Type: GrantFiled: November 3, 2005Date of Patent: November 15, 2011Assignee: Schill+Seilacher “Struktol” AktiengesellschaftInventors: Berthold Just, Uwe Dittrich, Holger Keller, Manfred Doering, Uwe Storzer, Michael Ciesielski