Patents by Inventor Klaus Leckebusch

Klaus Leckebusch 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).

  • Publication number: 20230384216
    Abstract: A spectroscopic sensor assembly for detecting at least one predefined analyte constituent of a measurement fluid, the sensor assembly including a sensor housing; a radiation source; a detector device; a barrier assembly, which is transmissive for measurement radiation and is impermeable to the analyte constituent; a polymer matrix, which absorbs and releases the analyte constituent; a reflector assembly, which has a signal side facing the polymer matrix and facing the barrier assembly; wherein the reflector assembly has at least one passage extending through the reflector assembly, through which passage the analyte constituent is exchanged between a measurement environment and the polymer matrix, which polymer matrix is located on the signal side of the reflector assembly; and wherein the reflector assembly reflects incident measurement radiation back toward the apparatus portion; the sensor assembly having a spacing means different from the polymer matrix, the spacing means being designed to prevent the refl
    Type: Application
    Filed: October 29, 2021
    Publication date: November 30, 2023
    Inventors: Spela Willi, Bernd Offenbeck, Klaus Leckebusch, Marco Giardina, Dirk Schönfuss
  • Patent number: 10078072
    Abstract: A sample dispenser for an analysis device, in particular for an analysis device working according to the principle of liquid chromatography, in particular high pressure liquid chromatography, or gas chromatography, comprising a sample intake for receiving a sample to be analyzed, an inlet through which an eluent can be supplied, an outlet, and an injection valve arrangement, which can be switched at least from an intake position to an injection position, wherein, at least in the intake position and in the injection position, the inlet is in fluid connection with the outlet to deliver the eluent—if applicable, having the sample added thereto—at least partly to the outlet, wherein, in the intake position, the sample intake is separated from the eluent in a fluid-tight manner, and wherein, in the injection position, the sample in the sample intake can combine with the eluent, wherein the sample dispenser is configured as a disposable component.
    Type: Grant
    Filed: March 31, 2014
    Date of Patent: September 18, 2018
    Assignee: HAMILTON BONADUZ AG
    Inventors: Klaus Leckebusch, Tino Otte
  • Patent number: 9517463
    Abstract: The invention relates to a syringe, comprising: a syringe body (12) having an axial inner cavity (16), which extends in the direction of a longitudinal axis (LA) of the syringe body (12) and in which a plunger (14) can be or is accommodated in such a way that the plunger can be moved in the longitudinal direction, and a needle (18), which can be or is connected to the syringe body (12) at a longitudinal end of the syringe body (12), wherein the syringe body (12) has a coupling segment (20) at the needle-side longitudinal end of the syringe body (12), to which coupling segment (20) the needle (18) can be or is fastened by means of a connecting element (22) that can be slid on in the longitudinal direction. According to the invention, at least one radially inward cavity (34) is provided on the coupling segment (20), which cavity can be brought into engagement or is in engagement with at least one corresponding locking segment (32) provided on the connecting element (22).
    Type: Grant
    Filed: June 6, 2014
    Date of Patent: December 13, 2016
    Assignee: HAMILTON BONADUZ AG
    Inventor: Klaus Leckebusch
  • Publication number: 20160136637
    Abstract: The invention relates to a syringe, comprising: a syringe body (12) having an axial inner cavity (16), which extends in the direction of a longitudinal axis (LA) of the syringe body (12) and in which a plunger (14) can be or is accommodated in such a way that the plunger can be moved in the longitudinal direction, and a needle (18), which can be or is connected to the syringe body (12) at a longitudinal end of the syringe body (12), wherein the syringe body (12) has a coupling segment (20) at the needle-side longitudinal end of the syringe body (12), to which coupling segment (20) the needle (18) can be or is fastened by means of a connecting element (22) that can be slid on in the longitudinal direction. According to the invention, at least one radially inward cavity (34) is provided on the coupling segment (20), which cavity can be brought into engagement or is in engagement with at least one corresponding locking segment (32) provided on the connecting element (22).
    Type: Application
    Filed: June 6, 2014
    Publication date: May 19, 2016
    Applicant: HAMILTON BONADUZ AG
    Inventor: Klaus LECKEBUSCH
  • Publication number: 20160077062
    Abstract: A sample dispenser for an analysis device, in particular for an analysis device working according to the principle of liquid chromatography, in particular high pressure liquid chromatography, or gas chromatography, comprising a sample intake for receiving a sample to be analyzed, an inlet through which an eluent can be supplied, an outlet, and an injection valve arrangement, which can be switched at least from an intake position to an injection position, wherein, at least in the intake position and in the injection position, the inlet is in fluid connection with the outlet to deliver the eluent—if applicable, having the sample added thereto—at least partly to the outlet, wherein, in the intake position, the sample intake is separated from the eluent in a fluid-tight manner, and wherein, in the injection position, the sample in the sample intake can combine with the eluent, wherein the sample dispenser is configured as a disposable component.
    Type: Application
    Filed: March 31, 2014
    Publication date: March 17, 2016
    Applicant: HAMILTON BONADUZ AG
    Inventors: Klaus LECKEBUSCH, Tino OTTE
  • Patent number: 9186675
    Abstract: A metering device for use in syringes and pipetting piston-cylinder arrangements; the metering device includes a sealing component and at least one pretensioning component. The sealing component includes a sealing section which has a sealing surface formed on a working surface formed on either the outer surface of the piston rod facing toward the inner wall of the cylinder or on the inner side of the cylinder facing towards the piston rod. The sealing section also has a pretensioning surface for engaging with a plurality of identical pretensioning components for transferring the radial pretensioning force. The plurality of identical pretensioning components are arranged one after the other in the axial direction. The identical pretensioning components include a spring carrier and a plurality of separately formed radial spring segments compliantly supported at least in the radial direction on the spring carrier.
    Type: Grant
    Filed: August 30, 2013
    Date of Patent: November 17, 2015
    Assignee: HAMILTON BONADUZ AG
    Inventor: Klaus Leckebusch
  • Patent number: 9180457
    Abstract: A metering device for use in syringes and pipetting piston-cylinder arrangements, including a sealing component working together with at least one pretensioning component. The sealing component comprises a sealing segment extending in the axial direction and in the circumferential direction. The sealing segment has a sealing surface facing in a first radial direction for sealing and sliding contact in at least the axial direction, is formed on a working surface formed on the outer surface of the piston rod facing toward the inner wall of the cylinder. The sealing segment also has a pretensioning surface extending in a second radial direction opposite to the first for engaging with the pretensioning component for transferring the radial pretensioning force, where the pretensioning component includes a spring carrier and a plurality of separately formed radial spring segments compliantly supported at least in the radial direction on the spring carrier.
    Type: Grant
    Filed: August 30, 2013
    Date of Patent: November 10, 2015
    Assignee: HAMILTON BONADUZ AG
    Inventor: Klaus Leckebusch
  • Patent number: 8623298
    Abstract: A syringe comprises a syringe body (12) having an axial inner recess (14) extending in the direction of a longitudinal axis of the syringe body (L), a piston (16) being guided in an axially moveable manner in said inner recess and contributing to the delimitation of a fluid-receiving volume together with a section of a wall (14a) radially delimiting the inner recess (14), and having a needle (24) that can be or is connected to a longitudinal end (12a) of the syringe body (12), wherein the needle (24) has a coupling geometry (28) at the longitudinal end (24a) thereof that is closer to the syringe body, wherein the needle (24) can be connected by said coupling geometry to a counter coupling geometry (30) of the syringe body (12), wherein the geometry composed of the coupling geometry (28) and counter coupling geometry (30) comprises an insertion section (32), which in the assembled state of the syringe (10) is received in a coupling recess (34) of the respectively other geometry, and wherein furthermore safety
    Type: Grant
    Filed: September 19, 2008
    Date of Patent: January 7, 2014
    Assignee: Hamilton Bonaduz AG
    Inventor: Klaus Leckebusch
  • Publication number: 20140001215
    Abstract: The invention relates to a radial sliding seal component, particularly for use in metering devices, such as syringes and pipetting piston-cylinder arrangements, comprising a sealing component working together with at least one pretensioning component , wherein the sealing component comprises a sealing segment extending in the axial direction and in the circumferential direction, on which a sealing surface facing in a first radial direction for sealing and sliding contact in at least the axial direction is formed on a working surface extending in the axial direction and in the circumferential direction, and on which a pretensioning surface extending in a second radial direction opposite to the first is formed for engaging with the pretensioning component for transferring the radial pretensioning force, wherein the pretensioning component comprises a spring carrier and a plurality of separately formed radial spring segments compliantly supported at least in the radial direction on the spring carrier.
    Type: Application
    Filed: August 30, 2013
    Publication date: January 2, 2014
    Applicant: HAMILTON BONADUZ AG
    Inventor: Klaus LECKEBUSCH
  • Publication number: 20130341549
    Abstract: The invention relates to a radial sliding seal component, particularly for use in metering devices, such as syringes and pipetting piston-cylinder arrangements, comprising a sealing component working together with at least one pretensioning component, wherein the sealing component comprises a sealing segment extending in the axial direction and in the circumferential direction, on which a sealing surface facing in a first radial direction for sealing and sliding contact in at least the axial direction is formed on a working surface extending in the axial direction and in the circumferential direction, and on which a pretensioning surface extending in a second radial direction opposite to the first is formed for engaging with the pretensioning component for transferring the radial pretensioning force, wherein the pretensioning component comprises a spring carrier and a plurality of separately formed radial spring segments compliantly supported at least in the radial direction on the spring carrier.
    Type: Application
    Filed: August 30, 2013
    Publication date: December 26, 2013
    Applicant: Hamilton Bonaduz AG
    Inventor: Klaus LECKEBUSCH
  • Patent number: 8557197
    Abstract: The invention relates to a radial sliding seal component (10), particularly for use in metering devices, such as syringes, pipetting piston-cylinder arrangements, and the like, comprising a sealing component (12) working together with at least one pretensioning component (14), wherein the sealing component (12) comprises a sealing segment (16) extending in the axial direction and in the circumferential direction, preferably running in the circumferential direction, on which a sealing surface (18) facing in a first radial direction for sealing and sliding contact in at least the axial direction is formed on a working surface extending in the axial direction and in the circumferential direction, preferably running in the circumferential direction, and on which a pretensioning surface (20) extending in a second radial direction opposite to the first is formed for engaging with the pretensioning component (14) for transferring the radial pretensioning force, wherein the pretensioning component (14) comprises a sp
    Type: Grant
    Filed: November 5, 2008
    Date of Patent: October 15, 2013
    Assignee: Hamilton Bonaduz AG
    Inventor: Klaus Leckebusch
  • Publication number: 20110206577
    Abstract: The invention relates to a radial sliding seal component (10), particularly for use in metering devices, such as syringes, pipetting piston-cylinder arrangements, and the like, comprising a sealing component (12) working together with at least one pretensioning component (14), wherein the sealing component (12) comprises a sealing segment (16) extending in the axial direction and in the circumferential direction, preferably running in the circumferential direction, on which a sealing surface (18) facing in a first radial direction for sealing and sliding contact in at least the axial direction is formed on a working surface extending in the axial direction and in the circumferential direction, preferably running in the circumferential direction, and on which a pretensioning surface (20) extending in a second radial direction opposite to the first is formed for engaging with the pretensioning component (14) for transferring the radial pretensioning force, wherein the pretensioning component (14) comprises a sp
    Type: Application
    Filed: November 5, 2008
    Publication date: August 25, 2011
    Applicant: HAMILTON BONADUZ AG
    Inventor: Klaus Leckebusch
  • Publication number: 20100312194
    Abstract: A syringe comprises a syringe body (12) having an axial inner recess (14) extending in the direction of a longitudinal axis of the syringe body (L), a piston (16) being guided in an axially moveable manner in said inner recess and contributing to the delimitation of a fluid-receiving volume together with a section of a wall (14a) radially delimiting the inner recess (14), and having a needle (24) that can be or is connected to a longitudinal end (12a) of the syringe body (12), wherein the needle (24) has a coupling geometry (28) at the longitudinal end (24a) thereof that is closer to the syringe body, wherein the needle (24) can be connected by said coupling geometry to a counter coupling geometry (30) of the syringe body (12), wherein the geometry composed of the coupling geometry (28) and counter coupling geometry (30) comprises an insertion section (32), which in the assembled state of the syringe (10) is received in a coupling recess (34) of the respectively other geometry, and wherein furthermore safety
    Type: Application
    Filed: September 19, 2008
    Publication date: December 9, 2010
    Applicant: HAMILTON BONADUZ AG
    Inventor: Klaus Leckebusch
  • Patent number: 5501984
    Abstract: The unit has three rotors, namely a reagent rotor (1), a sample rotor (2) and a reaction rotor (3). Each rotor has seats for vessels, which are arranged in circles about the respective rotor axis. At least two of the rotors (1, 2) are arranged concentrically to one another. The rotors can be brought into a plurality of rotating positions in which at least one of the openings (5b, 7b, 8b) is located in a predetermined liquid handling position (LH position).A liquid handling unit (LH unit) comprises a liquid transfer needle (18) which is movable by a transfer needle moving apparatus in such a way that the movement path (23) crosses at least one LH position of each circle of openings (5b, 7b, 8b) on each rotor (1, 2, 3).It thus become possible with a simply designed layout to carry out a wide range of heterogeneous immunological analyses in a flexible manner.
    Type: Grant
    Filed: June 17, 1993
    Date of Patent: March 26, 1996
    Assignee: Boehringer Mannheim GmbH
    Inventors: Meinrad Hofstetter, Klaus Leckebusch, Armin Panzer