Patents by Inventor Nathan R. Brock

Nathan R. Brock 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: 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: 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: 11786039
    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: May 11, 2022
    Date of Patent: October 17, 2023
    Assignee: STEELCASE INC.
    Inventors: Nickolaus William Charles Deevers, Gordon J. Peterson, Nathan R. Brock, Mark Spoelhof
  • Publication number: 20220287466
    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: May 11, 2022
    Publication date: September 15, 2022
    Applicant: Steelcase Inc.
    Inventors: Nickolaus William Charles Deevers, Gordon J. Peterson, Nathan R. Brock, Mark Spoelhof
  • Publication number: 20220167747
    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: February 16, 2022
    Publication date: June 2, 2022
    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: 9861201
    Abstract: A chair assembly includes a base structure defining upper and lower portions, and a support structure, a seat support structure having a forward portion pivotably connected to the upper portion of the base structure for rotation about a first pivot point and a rearward portion, a back support structure having a forward portion pivotably connected to the lower portion of the base structure for rotation about a second pivot point that is located below and rearward of the first pivot point, and an upwardly extending back portion that moves rearwardly and downwardly as the back support structure pivots and the back portion moves, and a control link pivotably coupled to the seat support structure for rotation about a third pivot point and to the back support structure for rotation about a fourth pivot point each located rearward of the first and second pivot points.
    Type: Grant
    Filed: August 18, 2016
    Date of Patent: January 9, 2018
    Assignee: Steelcase, Inc.
    Inventors: Robert J. Battey, Richard N. Roslund, Jr., Gary Lee Karsten, Kurt R. Heidmann, Todd D. Krupiczewicz, Nathan R. Brock, Jeffrey A. Hall, Gordon J. Peterson, Todd T. Andres
  • Publication number: 20160353891
    Abstract: A chair assembly includes a base structure defining upper and lower portions, and a support structure, a seat support structure having a forward portion pivotably connected to the upper portion of the base structure for rotation about a first pivot point and a rearward portion, a back support structure having a forward portion pivotably connected to the lower portion of the base structure for rotation about a second pivot point that is located below and rearward of the first pivot point, and an upwardly extending back portion that moves rearwardly and downwardly as the back support structure pivots and the back portion moves, and a control link pivotably coupled to the seat support structure for rotation about a third pivot point and to the back support structure for rotation about a fourth pivot point each located rearward of the first and second pivot points.
    Type: Application
    Filed: August 18, 2016
    Publication date: December 8, 2016
    Applicant: Steelcase Inc.
    Inventors: Robert J. Battey, Richard N. Roslund, JR., Gary Lee Karsten, Kurt R. Heidmann, Todd D. Krupiczewicz, Nathan R. Brock, Jeffrey A. Hall, Gordon J. Peterson, Todd T. Andres
  • Patent number: 9451826
    Abstract: A chair assembly includes a base structure, a seat support structure pivotably coupled to the base structure, and a back support structure pivotably coupled to the base structure and including an upwardly-extending portion adapted to move between upright and reclined positions and a lower portion extending forwardly of the upwardly-extending portion, and wherein the upwardly-extending portion is operably coupled to the forwardly-extending portion by a first quick connect assembly. The chair assembly further includes a generally forwardly-facing back support assembly and having an upper portion operably coupled to the upwardly-extending portion of the back support and a lower portion, and a back link releasably coupled to the lower portion of the back support surface by a second quick connect assembly and operably coupled to the seat support structure.
    Type: Grant
    Filed: February 27, 2015
    Date of Patent: September 27, 2016
    Assignee: Steelcase Inc.
    Inventors: Robert J. Battey, Richard N. Roslund, Jr., Gary Lee Karsten, Kurt R. Heidmann, Todd D. Krupiczewicz, Nathan R. Brock, Jeffrey A. Hall, Gordon J. Peterson, Todd T. Andres
  • Publication number: 20150164227
    Abstract: A chair assembly includes a base structure, a seat support structure pivotably coupled to the base structure, and a back support structure pivotably coupled to the base structure and including an upwardly-extending portion adapted to move between upright and reclined positions and a lower portion extending forwardly of the upwardly-extending portion, and wherein the upwardly-extending portion is operably coupled to the forwardly-extending portion by a first quick connect assembly. The chair assembly further includes a generally forwardly-facing back support assembly and having an upper portion operably coupled to the upwardly-extending portion of the back support and a lower portion, and a back link releasably coupled to the lower portion of the back support surface by a second quick connect assembly and operably coupled to the seat support structure.
    Type: Application
    Filed: February 27, 2015
    Publication date: June 18, 2015
    Inventors: Robert J. Battey, Richard N. Roslund, JR., Gary Lee Karsten, Kurt R. Heidmann, Todd D. Krupiczewicz, Nathan R. Brock, Jeffrey A. Hall, Gordon J. Peterson, Todd T. Andres
  • Patent number: 9027998
    Abstract: A chair assembly includes a base structure defining upper and lower portions, a seat support structure having forward and rearward portions, wherein the forward portion of the seat support structure is pivotably coupled to the upper portion, and wherein the seat support structure includes a seat support surface configured to support a seated user thereon, a back support structure having forward and rearward portions, wherein the forward portion of the back supported is pivotably coupled to the lower portion, and wherein the back support structure includes an upwardly extending portion adapted to move between an upright position and a reclined position, and a control link having a first end pivotably coupled to the rearward portion of the seat support structure, and a second end pivotably coupled to the rearward portion of the back support structure.
    Type: Grant
    Filed: September 17, 2013
    Date of Patent: May 12, 2015
    Assignee: Steelcase Inc.
    Inventors: Robert J. Battey, Richard N. Roslund, Jr., Gary Lee Karsten, Kurt R. Heidmann, Nathan McCaughan, Pradeep Mydur, Russell T. Holdredge, Mark Vander Veen, Todd D. Krupiczewicz, Nathan R. Brock, Jeffrey A. Hall, Gordon J. Peterson, Todd T. Andres
  • Patent number: 9027997
    Abstract: A chair assembly includes a base structure, a seat support structure movably coupled to the base structure, an upwardly-extending back support structure movably coupled to the base structure, wherein the back support structure is adapted to move between an upright and reclined positions, wherein the back support structure is operably coupled to the seat support structure, a flexible shell structure defining a forwardly-facing surface forming a lumbar support, wherein the flexible shell is movably coupled to the seat support structure, and a resilient member generating a variable compressive force acting on the flexible shell structure in a manner that tends to cause a curvature of the back support structure to increase, and wherein the compressive force decreases as the back support structure moves from the upright position to the reclined position.
    Type: Grant
    Filed: September 17, 2013
    Date of Patent: May 12, 2015
    Assignee: Steelcasel Inc.
    Inventors: Robert J. Battey, Richard N. Roslund, Jr., Gary Lee Karsten, Kurt R. Heidmann, Nathan McCaughan, Pradeep Mydur, Russell T. Holdredge, Mark Vander Veen, Todd D. Krupiczewicz, Nathan R. Brock, Jeffrey A. Hall, Gordon J. Peterson, Todd T. Andres
  • Patent number: 9010859
    Abstract: A chair assembly includes a base structure, a seat support structure pivotably coupled to the base structure, a back support structure pivotably coupled to the base structure and including an upwardly extending portion adapted to move between an upright position and a reclined position, a control link having a first end pivotably coupled to the seat support structure and a second end pivotably coupled to the back support structure, a back support surface having an upper portion pivotably coupled to the back support, and a back link pivotably coupled to the seat support structure, wherein the back support surface is moved forward by the back link relative to the upwardly extending portion of the back support structure as the back support structure is moved from the upright position to the reclined position.
    Type: Grant
    Filed: September 17, 2013
    Date of Patent: April 21, 2015
    Assignee: Steelcase Inc.
    Inventors: Robert J. Battey, Richard N. Roslund, Jr., Gary Lee Karsten, Kurt R. Heidmann, Nathan McCaughan, Pradeep Mydur, Russell T. Holdredge, Mark Vander Veen, Todd D. Krupiczewicz, Nathan R. Brock, Jeffrey A. Hall, Gordon J. Peterson, Todd T. Andres
  • Publication number: 20140077555
    Abstract: A chair assembly includes a base structure defining upper and lower portions, a seat support structure having forward and rearward portions, wherein the forward portion of the seat support structure is pivotably coupled to the upper portion, and wherein the seat support structure includes a seat support surface configured to support a seated user thereon, a back support structure having forward and rearward portions, wherein the forward portion of the back supported is pivotably coupled to the lower portion, and wherein the back support structure includes an upwardly extending portion adapted to move between an upright position and a reclined position, and a control link having a first end pivotably coupled to the rearward portion of the seat support structure, and a second end pivotably coupled to the rearward portion of the back support structure.
    Type: Application
    Filed: September 17, 2013
    Publication date: March 20, 2014
    Applicant: Steelcase Inc.
    Inventors: Robert J. Battey, Richard N. Roslund, Jr., Gary Lee Karsten, Kurt R. Heidmann, Nathan McCaughan, Pradeep Mydur, Russell T. Holdredge, Mark Vander Veen, Todd D. Krupiczewicz, Nathan R. Brock, Jeffrey A. Hall, Gordon J. Peterson, Todd T. Andres
  • Publication number: 20140077549
    Abstract: A chair assembly includes a base structure, a seat support structure movably coupled to the base structure, an upwardly-extending back support structure movably coupled to the base structure, wherein the back support structure is adapted to move between an upright and reclined positions, wherein the back support structure is operably coupled to the seat support structure, a flexible shell structure defining a forwardly-facing surface forming a lumbar support, wherein the flexible shell is movably coupled to the seat support structure, and a resilient member generating a variable compressive force acting on the flexible shell structure in a manner that tends to cause a curvature of the back support structure to increase, and wherein the compressive force decreases as the back support structure moves from the upright position to the reclined position.
    Type: Application
    Filed: September 17, 2013
    Publication date: March 20, 2014
    Applicant: Steelcase Inc.
    Inventors: Robert J. Battey, Richard N. Roslund, Jr., Gary Lee Karsten, Kurt R. Heidmann, Nathan McCaughan, Pradeep Mydur, Russell T. Holdredge, Mark Vander Veen, Todd D. Krupiczewicz, Nathan R. Brock, Jeffrey A. Hall, Gordon J. Peterson, Todd T. Andres
  • Publication number: 20140077551
    Abstract: A chair assembly includes a base structure, a seat support structure pivotably coupled to the base structure, a back support structure pivotably coupled to the base structure and including an upwardly extending portion adapted to move between an upright position and a reclined position, a control link having a first end pivotably coupled to the seat support structure and a second end pivotably coupled to the back support structure, a back support surface having an upper portion pivotably coupled to the back support, and a back link pivotably coupled to the seat support structure, wherein the back support surface is moved forward by the back link relative to the upwardly extending portion of the back support structure as the back support structure is moved from the upright position to the reclined position.
    Type: Application
    Filed: September 17, 2013
    Publication date: March 20, 2014
    Applicant: Steelcase Inc.
    Inventors: Robert J. Battey, Richard N. Roslund, Jr., Gary Lee Karsten, Kurt R. Heidmann, Nathan McCaughan, Pradeep Mydur, Russell T. Holdredge, Mark Vander Veen, Todd D. Krupiczewicz, Nathan R. Brock, Jeffrey A. Hall, Gordon J. Peterson, Todd T. Andres
  • Patent number: 7905179
    Abstract: A “non-pyrotechnic explosion device” closely replicates in sound and visual cue a “real” exploding device, but without the accompanying safety concerns. This device is not only realistic and safe, but is inexpensive to operate and maintain, durable, and easy to transport and operate. It provides the user with numerous options for employment from mine, bomb, and improvised explosive device (ied) simulators to an artillery impact simulator. The device is comprised of a pressurized chamber, a pressure release device, an expulsion substance container, and a rupture-able/explosion tube assembly.
    Type: Grant
    Filed: July 17, 2007
    Date of Patent: March 15, 2011
    Inventor: Nathan R. Brock
  • Publication number: 20110017187
    Abstract: A “non-pyrotechnic explosion device” closely replicates in sound and visual cue a “real” exploding device, but without the accompanying safety concerns. This device is not only realistic and safe, but is inexpensive to operate and maintain, durable, and easy to transport and operate. It provides the user with numerous options for employment from mine, bomb, and improvised explosive device (ied) simulators to an artillery impact simulator. The device is comprised of a pressurized chamber, a pressure release device, an expulsion substance container, and a rupture-able/explosion tube assembly.
    Type: Application
    Filed: July 17, 2007
    Publication date: January 27, 2011
    Inventor: Nathan R. Brock
  • Patent number: 6499477
    Abstract: A reuseable war game device launches paint-balls or liquid colorant or both simultaneously, and can be aimed and fired while hand-held, can be concealed and aimed but remotely triggered, is easy to dismantle and repair under field conditions, is durable enough to withstand all field conditions, and is concealable, compact and easily portable. The device comprises a launch housing that includes a launch barrel joined to a rotatable muzzle assembly that is fixed on a target; a chamber housing that includes a charge chamber which receives and stores a charge; a hammer chamber that includes a retractable hammer that when released from a cocked position is thrust toward the charge chamber; a trigger that is drawn to retract the hammer to the cocked position; and, a check valve located between the launch barrel and the charge chamber that permits flow only from the charge chamber to the launch housing.
    Type: Grant
    Filed: July 5, 2000
    Date of Patent: December 31, 2002
    Inventor: Nathan R. Brock
  • Patent number: D742676
    Type: Grant
    Filed: February 19, 2015
    Date of Patent: November 10, 2015
    Assignee: Steelcase Inc.
    Inventors: Bruce M. Smith, Glen Oliver Löw, James N. Ludwig, Robert J. Battey, Gordon J. Peterson, Russell T. Holdredge, Todd D. Krupiczewicz, Nathan R. Brock
  • Patent number: D742677
    Type: Grant
    Filed: February 19, 2015
    Date of Patent: November 10, 2015
    Assignee: Steelcase Inc.
    Inventors: Bruce M. Smith, Glen Oliver Löw, James N. Ludwig, Robert J. Battey, Gordon J. Peterson, Richard N. Roslund, Jr., Russell T. Holdredge, Todd D. Krupiczewicz, Nathan R. Brock