Patents by Inventor Kurt R. Heidmann

Kurt R. Heidmann 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).

  • Patent number: 12004660
    Abstract: A backrest includes a primary frame having a pair of laterally spaced first uprights defining a first opening therebetween, a first front surface and a first rear surface. A secondary frame includes a pair of laterally spaced second uprights defining a second opening therebetween, a second rear surface facing the first front surface of the primary frame and a second front surface, wherein the secondary frame is coupled to the primary frame, and wherein at least portions of the first and second openings are aligned. A flexible shell overlies and is coupled to the second front surface of the secondary frame. The flexible shell includes a third rear surface visible through the aligned portions of the first and second openings.
    Type: Grant
    Filed: July 28, 2023
    Date of Patent: June 11, 2024
    Assignee: STEELCASE INC.
    Inventors: Nickolaus William Charles Deevers, Kurt R. Heidmann, Pascal Rolf Hien, Jeffrey A. Hall, John Colasanti, Michael Yancharas
  • Patent number: 11974676
    Abstract: A body support structure includes a structural lattice structure having a first stiffness, and a compressive lattice structure supported by the structural lattice structure and having a second stiffness less than the first stiffness. A skin lattice structure is supported by the compressive lattice structure, wherein the skin lattice structure is resistant to shear deformation in response to a normal force and is expandable in a direction transverse to the normal force.
    Type: Grant
    Filed: April 12, 2022
    Date of Patent: May 7, 2024
    Assignee: STEELCASE INC.
    Inventors: Nickolaus William Charles Deevers, Carl V. Forslund, III, John Hamilton, Kurt R. Heidmann, James Ludwig, Bruce Smith, Aaron Michael Porterfield, Sharon L. Tracy, Paul Noll
  • Publication number: 20240138573
    Abstract: A body support structure includes a base, a seat and a backrest, with the backrest connected to the base with a torsion leaf spring. The torsion leaf spring may be configured with a plurality of fingers, and/or one or more flex regions. One or more struts may be connected between the seat or backrest and the base. In another aspect, the seat and/or backrest may be supported with one or more links that provide a counter-intuitive motion. In another aspect, a link may be coupled to a support with a flexible blade.
    Type: Application
    Filed: November 7, 2023
    Publication date: May 2, 2024
    Applicant: Steelcase Inc.
    Inventors: Nickolaus William Charles Deevers, Kurt R. Heidmann, Gary Karsten, Mark Spoelhof
  • Publication number: 20240081538
    Abstract: A seating structure includes a shell having a central portion, opposite outer peripheral edges laterally spaced from opposite sides of the central portion, and at least one biasing array disposed between each of the opposite sides of the central portion and a respective outer peripheral edge. Each of the biasing arrays includes a plurality of spaced apart support members and at least one connector connecting adjacent support members within each array. The biasing array may include a plurality of biasing arrays, with at least one connector connecting adjacent biasing arrays. A second shell may be connected to the outer peripheral edges of the first shell, with an open space defined there between. Each of the opposite outer peripheral edges is independently deflectable in response to a load being applied to the second shell.
    Type: Application
    Filed: August 16, 2023
    Publication date: March 14, 2024
    Applicant: Steelcase Inc.
    Inventors: Nickolaus Williams Charles Deevers, Kurt R. Heidmann
  • Publication number: 20240074586
    Abstract: A body support assembly includes a seat assembly and backrest assembly supported by a tilt control assembly. Methods of using and assembling the body support assembly are provided.
    Type: Application
    Filed: September 12, 2023
    Publication date: March 7, 2024
    Applicant: Steelcase Inc.
    Inventors: Nickolaus William Charles Deevers, Kurt R. Heidmann, Gordon J. Peterson, David Bodnar, James Ludwig, Nathan R. Brock, Mark Spoelhof
  • Patent number: 11910934
    Abstract: A seat assembly includes a base and a support platform spaced above the base. The support platform includes a pad having a hinge portion defining a flex region, wherein the pad is pivotable about the flex region. A link has a lower portion coupled to the base and an upper portion coupled to the pad, wherein the upper portion is pivotable with the pad about the flex region.
    Type: Grant
    Filed: February 9, 2023
    Date of Patent: February 27, 2024
    Assignee: STEELCASE INC.
    Inventors: Nickolaus William Charles Deevers, Kurt R. Heidmann, Gordon J. Peterson
  • Publication number: 20240023717
    Abstract: A backrest includes a primary frame having a pair of laterally spaced first uprights defining a first opening therebetween, a first front surface and a first rear surface. A secondary frame includes a pair of laterally spaced second uprights defining a second opening therebetween, a second rear surface facing the first front surface of the primary frame and a second front surface, wherein the secondary frame is coupled to the primary frame, and wherein at least portions of the first and second openings are aligned. A flexible shell overlies and is coupled to the second front surface of the secondary frame. The flexible shell includes a third rear surface visible through the aligned portions of the first and second openings.
    Type: Application
    Filed: July 28, 2023
    Publication date: January 25, 2024
    Applicant: Steelcase Inc.
    Inventors: Nickolaus William Charles Deevers, Kurt R. Heidmann, Pascal Rolf Hien, Jeffrey A. Hall, John Colasanti, Michael Yancharas
  • Publication number: 20240008651
    Abstract: A seating arrangement including a seat member, a base, and an arm assembly including an arm base having a central portion and a receiver portion and exclusively supported from the base via a central portion at a position located between lateral outermost edges of the seat member, an arm stalk telescopingly received within the receiver portion and movable between retracted and extended positions, an arm support supported by the arm stalk, where the arm support moves in a forward direction with respect to the seat member as the arm stalk is moved from the retracted position to the extended position, and a bearing arrangement positioned between the arm stalk and the receiver portion and including a bearing member located between the receiver portion of the arm base and the arm stalk and a biasing member configured to bias the bearing.
    Type: Application
    Filed: September 20, 2023
    Publication date: January 11, 2024
    Applicant: Steelcase Inc.
    Inventors: Nickolaus William Charles Deevers, Kurt R. Heidmann, Gordon J. Peterson, Russell T. Holdredge, Nathan Brock
  • Patent number: 11825955
    Abstract: A seating arrangement includes a base member, and an integrally formed support member coupled to the base member and supporting a seat moveable from an upright position to a reclined position, wherein a portion of the support member is bendable as the seat moves from the upright position to the reclined position such that a first side of the support member is put in tension and a second side generally opposite the first side is put in compression, and wherein the first side includes a tensile substrate so that the first side has as higher modulus of elasticity than the second side.
    Type: Grant
    Filed: February 24, 2021
    Date of Patent: November 28, 2023
    Assignee: Steelcase Inc.
    Inventors: Nickolaus William Charles Deevers, Kurt R. Heidmann, Michael J. Kemen
  • Patent number: 11819139
    Abstract: A backrest includes a primary frame having a pair of laterally spaced first uprights defining a first opening therebetween, a first front surface and a first rear surface. A secondary frame includes a pair of laterally spaced second uprights defining a second opening therebetween, a second rear surface facing the first front surface of the primary frame and a second front surface, wherein the secondary frame is coupled to the primary frame, and wherein at least portions of the first and second openings are aligned. A flexible shell overlies and is coupled to the second front surface of the secondary frame. The flexible shell includes a third rear surface visible through the aligned portions of the first and second openings.
    Type: Grant
    Filed: January 13, 2023
    Date of Patent: November 21, 2023
    Assignee: STEELCASE INC.
    Inventors: Nickolaus William Charles Deevers, Kurt R. Heidmann, Pascal Rolf Hien, Jeffrey A. Hall, John Colasanti, Michael Yancharas
  • Patent number: 11812870
    Abstract: A body support structure includes a base, a seat and a backrest, with the backrest connected to the base with a torsion leaf spring. The torsion leaf spring may be configured with a plurality of fingers, and/or one or more flex regions. One or more struts may be connected between the seat or backrest and the base. In another aspect, the seat and/or backrest may be supported with one or more links that provide a counter-intuitive motion. In another aspect, a link may be coupled to a support with a flexible blade.
    Type: Grant
    Filed: February 9, 2022
    Date of Patent: November 14, 2023
    Assignee: STEELCASE INC.
    Inventors: Nickolaus William Charles Deevers, Kurt R. Heidmann, Gary Karsten, Mark Spoelhof
  • Patent number: 11805913
    Abstract: A body support assembly includes a seat assembly and backrest assembly supported by a tilt control assembly. Methods of using and assembling the body support assembly are provided.
    Type: Grant
    Filed: February 16, 2022
    Date of Patent: November 7, 2023
    Assignee: STEELCASE INC.
    Inventors: Nickolaus William Charles Deevers, Kurt R. Heidmann, Gordon J. Peterson, David Bodnar, James Ludwig, Nathan R. Brock, Mark Spoelhof
  • Patent number: 11800935
    Abstract: A seating arrangement includes a seat portion, a back portion, a support member caused to move between first and second positions, and a back recline lock arrangement that includes an actuator, a lock member caused to move between a locked position when the actuator is in an engaged position where the lock member prevents the support member from moving from the first position toward the second position, and an unlocked position when the actuator is in a disengaged position, and wherein the actuator is configured to move from the disengaged position to the engaged position when the chair back is in the reclined position, and the lock member is prevented from moving from the unlocked position to the locked position until the back assembly is moved from the reclined position to the upright position.
    Type: Grant
    Filed: July 1, 2022
    Date of Patent: October 31, 2023
    Assignee: Steelcase Inc.
    Inventors: Nickolaus William Charles Deevers, Kurt R. Heidmann, Gordon J. Peterson, Russell T. Holdredge, Nathan Brock
  • Patent number: 11771227
    Abstract: A body support structure includes a pair of laterally extending load bearing support segments each having an outer portion coupled to a support structure and an inner portion. Each of the load bearing support segments extends laterally inwardly from the outer portion, and the inner portions are laterally spaced apart so as to define a gap therebetween. A body support member is spaced forwardly from the pair of load bearing support segments. A plurality of links connect the load bearing support segments to the body support member.
    Type: Grant
    Filed: March 11, 2022
    Date of Patent: October 3, 2023
    Assignee: STEELCASE INC.
    Inventors: Nickolaus Williams Charles Deevers, Kurt R. Heidmann
  • Publication number: 20230189999
    Abstract: A seat assembly includes a base and a support platform spaced above the base. The support platform includes a pad having a hinge portion defining a flex region, wherein the pad is pivotable about the flex region. A link has a lower portion coupled to the base and an upper portion coupled to the pad, wherein the upper portion is pivotable with the pad about the flex region.
    Type: Application
    Filed: February 9, 2023
    Publication date: June 22, 2023
    Applicant: Steelcase Inc.
    Inventors: Nickolaus William Charles Deevers, Kurt R. Heidmann, Gordon J. Peterson
  • Publication number: 20230165376
    Abstract: A backrest includes a primary frame having a pair of laterally spaced first uprights defining a first opening therebetween, a first front surface and a first rear surface. A secondary frame includes a pair of laterally spaced second uprights defining a second opening therebetween, a second rear surface facing the first front surface of the primary frame and a second front surface, wherein the secondary frame is coupled to the primary frame, and wherein at least portions of the first and second openings are aligned. A flexible shell overlies and is coupled to the second front surface of the secondary frame. The flexible shell includes a third rear surface visible through the aligned portions of the first and second openings.
    Type: Application
    Filed: January 13, 2023
    Publication date: June 1, 2023
    Applicant: Steelcase Inc.
    Inventors: Nickolaus William Charles Deevers, Kurt R. Heidmann, Pascal Rolf Hien, Jeffrey A. Hall, John Colasanti, Michael Yancharas
  • Patent number: 11617444
    Abstract: A frame includes laterally spaced apart first and second support locations. A leaf spring has a longitudinal axis and extends between the first and second support locations. The leaf spring includes opposite first and second ends coupled to the frame along the longitudinal axis. A flexible shell is coupled to the frame at a third support location longitudinally spaced apart from the first and second support locations. The flexible shell is coupled to the leaf spring between the first and second support locations.
    Type: Grant
    Filed: February 25, 2021
    Date of Patent: April 4, 2023
    Assignee: STEELCASE INC.
    Inventors: Nickolaus William Charles Deevers, Kurt R. Heidmann
  • Patent number: 11602223
    Abstract: A body support assembly includes a seat assembly and backrest assembly supported by tilt control assembly. Methods of using and assembling the body support assembly are provided.
    Type: Grant
    Filed: August 6, 2021
    Date of Patent: March 14, 2023
    Assignee: STEELCASE INC.
    Inventors: Nickolaus William Charles Deevers, Kurt R. Heidmann, Gordon J. Peterson
  • Patent number: 11583092
    Abstract: A backrest includes a primary frame having a pair of laterally spaced first uprights defining a first opening therebetween, a first front surface and a first rear surface. A secondary frame includes a pair of laterally spaced second uprights defining a second opening therebetween, a second rear surface facing the first front surface of the primary frame and a second front surface, wherein the secondary frame is coupled to the primary frame, and wherein at least portions of the first and second openings are aligned. A flexible shell overlies and is coupled to the second front surface of the secondary frame. The flexible shell includes a third rear surface visible through the aligned portions of the first and second openings.
    Type: Grant
    Filed: March 1, 2022
    Date of Patent: February 21, 2023
    Assignee: STEELCASE INC.
    Inventors: Nickolaus William Charles Deevers, Kurt R. Heidmann, Pascal Rolf Hien, Jeffrey A. Hall, John Colasanti, Michael Yancharas
  • Patent number: 11553797
    Abstract: A seating arrangement includes a back arrangement movable between upright and reclined positions, a linkage arrangement including a first link member comprising a portion of a seat arrangement, a second link member supported on a base, flexibly resilient front link members extending between forward portions of the first and second link members and being integral with the second link member, and a rigid rear link member extending between rearward portions of the first and second link members including a separate piece from the first or second link members, wherein the rearward portion of the first link member extends laterally in a first plane when the back arrangement is upright, and laterally in a second plane when the back arrangement is reclined, where the second plane is angled with respect to the first plane, and is positioned farther away from the base when the back arrangement is reclined than when upright.
    Type: Grant
    Filed: November 10, 2020
    Date of Patent: January 17, 2023
    Assignee: Steelcase Inc.
    Inventors: James N. Ludwig, Nickolaus William Charles Deevers, Kurt R. Heidmann, William Thomas Johnson, Bruce M. Smith, Mark William Spoelhof