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).
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Patent number: 12161232Abstract: 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: GrantFiled: September 12, 2023Date of Patent: December 10, 2024Assignee: STEELCASE INC.Inventors: Nickolaus William Charles Deevers, Kurt R. Heidmann, Gordon J. Peterson, David Bodnar, James Ludwig, Nathan R. Brock, Mark Spoelhof
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Publication number: 20240074586Abstract: 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: ApplicationFiled: September 12, 2023Publication date: March 7, 2024Applicant: Steelcase Inc.Inventors: Nickolaus William Charles Deevers, Kurt R. Heidmann, Gordon J. Peterson, David Bodnar, James Ludwig, Nathan R. Brock, Mark Spoelhof
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Patent number: 11805913Abstract: 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: GrantFiled: February 16, 2022Date of Patent: November 7, 2023Assignee: STEELCASE INC.Inventors: Nickolaus William Charles Deevers, Kurt R. Heidmann, Gordon J. Peterson, David Bodnar, James Ludwig, Nathan R. Brock, Mark Spoelhof
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Patent number: 11786039Abstract: 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: GrantFiled: May 11, 2022Date of Patent: October 17, 2023Assignee: STEELCASE INC.Inventors: Nickolaus William Charles Deevers, Gordon J. Peterson, Nathan R. Brock, Mark Spoelhof
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Publication number: 20220287466Abstract: 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: ApplicationFiled: May 11, 2022Publication date: September 15, 2022Applicant: Steelcase Inc.Inventors: Nickolaus William Charles Deevers, Gordon J. Peterson, Nathan R. Brock, Mark Spoelhof
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Publication number: 20220167747Abstract: 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: ApplicationFiled: February 16, 2022Publication date: June 2, 2022Applicant: Steelcase Inc.Inventors: Nickolaus William Charles Deevers, Kurt R. Heidmann, Gordon J. Peterson, David Bodnar, James Ludwig, Nathan R. Brock, Mark Spoelhof
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Patent number: 9861201Abstract: 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: GrantFiled: August 18, 2016Date of Patent: January 9, 2018Assignee: 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
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Publication number: 20160353891Abstract: 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: ApplicationFiled: August 18, 2016Publication date: December 8, 2016Applicant: 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
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Patent number: 9451826Abstract: 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: GrantFiled: February 27, 2015Date of Patent: September 27, 2016Assignee: 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
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Publication number: 20150164227Abstract: 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: ApplicationFiled: February 27, 2015Publication date: June 18, 2015Inventors: 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
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Patent number: 9027997Abstract: 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: GrantFiled: September 17, 2013Date of Patent: May 12, 2015Assignee: 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
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Patent number: 9027998Abstract: 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: GrantFiled: September 17, 2013Date of Patent: May 12, 2015Assignee: 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
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Patent number: 9010859Abstract: 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: GrantFiled: September 17, 2013Date of Patent: April 21, 2015Assignee: 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
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Publication number: 20140077549Abstract: 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: ApplicationFiled: September 17, 2013Publication date: March 20, 2014Applicant: 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
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Publication number: 20140077555Abstract: 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: ApplicationFiled: September 17, 2013Publication date: March 20, 2014Applicant: 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
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Publication number: 20140077551Abstract: 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: ApplicationFiled: September 17, 2013Publication date: March 20, 2014Applicant: 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
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Patent number: 7905179Abstract: 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: GrantFiled: July 17, 2007Date of Patent: March 15, 2011Inventor: Nathan R. Brock
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Publication number: 20110017187Abstract: 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: ApplicationFiled: July 17, 2007Publication date: January 27, 2011Inventor: Nathan R. Brock
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Patent number: D742676Type: GrantFiled: February 19, 2015Date of Patent: November 10, 2015Assignee: 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
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Patent number: D742677Type: GrantFiled: February 19, 2015Date of Patent: November 10, 2015Assignee: 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