Patents by Inventor James Nolan Ludwig
James Nolan Ludwig 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: 11324325Abstract: A seating arrangement includes a base, a lower shell including a first portion coupled to the base and comprising a substantially horizontal portion, a curved transition portion and a backrest portion, a pair of laterally spaced front links extending upwardly from a forward portion of the first portion, a rear link extending upwardly from a rearward portion of the first portion of the lower shell and forwardly of the transition region of the lower shell, and an upper shell comprising a seating portion coupled to the pair of front links and to the rear link, a curved transition portion spaced apart from the curved transition portion of the lower shell and defining an open lateral pass through therebetween, and a backrest portion connected to the backrest portion of the lower shell.Type: GrantFiled: January 5, 2018Date of Patent: May 10, 2022Assignee: Steelcase Inc.Inventors: James Nolan Ludwig, Nickolaus William Charles Deevers, Kurt Heidmann, Bruce Michael Smith, Mark William Spoelhof
-
Patent number: 11058224Abstract: A seating support arrangement includes a seating frame, a cover member supported by the seating frame, the cover member having a first elastic modulus in a first direction, the cover member having an outer surface area and a support area that is less than the outer surface area and is configured to support a user, and a polymer film surface layer attached to the support area of the cover member such that the combination of the cover member in the support area and the surface layer has a second elastic modulus in the first direction that is greater than the first elastic modulus.Type: GrantFiled: January 7, 2019Date of Patent: July 13, 2021Assignee: Steelcase Inc.Inventors: James Nolan Ludwig, Bruce M. Smith, Carl V. Forslund, III, Christopher J. Norman, Gordon J. Peterson, Fredric Biddle, Nickolaus William Charles Deevers
-
Patent number: 10575648Abstract: A seating arrangement includes a base, a lower shell having a portion fixedly coupled to the base, and an upper shell supported entirely by the lower shell, the upper shell comprising a seating portion, a backrest portion moveable between an upright position and a reclined position, and a curved transition portion extending between the seating portion and the backrest portion, wherein a pair of laterally spaced longitudinal slots are located in portions of the seating portion and the transition portion thereby defining a central region and laterally spaced side regions, wherein the central region moves up relative to the side regions during recline.Type: GrantFiled: January 5, 2018Date of Patent: March 3, 2020Assignee: Steelcase Inc.Inventors: James Nolan Ludwig, Nickolaus William Charles Deevers, Kurt Heidmann, Bruce Michael Smith, Mark William Spoelhof
-
Publication number: 20190133324Abstract: A seating support arrangement includes a seating frame, a cover member supported by the seating frame, the cover member having a first elastic modulus in a first direction, the cover member having an outer surface area and a support area that is less than the outer surface area and is configured to support a user, and a polymer film surface layer attached to the support area of the cover member such that the combination of the cover member in the support area and the surface layer has a second elastic modulus in the first direction that is greater than the first elastic modulus.Type: ApplicationFiled: January 7, 2019Publication date: May 9, 2019Inventors: James Nolan Ludwig, Bruce M. Smith, Carl V. Forslund, III, Christopher J. Norman, Gordon J. Peterson, Fredric Biddle, Nickolaus William Charles Deevers
-
Patent number: 10182656Abstract: A seating support arrangement includes a seating frame arrangement, a flexible cover member supported by the frame arrangement and configured to support a seated user, a surface layer covering at least a portion of the cover member and including a first surface facing the cover member and a second surface opposite the first surface, wherein the first surface of the surface layer includes first portions attached to the cover member interspaced with second portions that are not attached to the cover member, and an elastically resilient control arrangement supported by the frame arrangement and positioned between the cover member and one of the second portions such that the control arrangement is free to move with respect to the cover member and the surface layer, wherein elastic deformation of the control arrangement changes the geometrical configuration of the cover member.Type: GrantFiled: April 11, 2016Date of Patent: January 22, 2019Assignee: Steelcase Inc.Inventors: Bruce M. Smith, Carl V. Forslund, III, Christopher J. Norman, Gordon J. Peterson, Fredric Biddle, Nickolaus William Charles Deevers, James Nolan Ludwig
-
Patent number: 10021984Abstract: A seating arrangement includes an upwardly-extending back arrangement movable between an upright and reclined positions, and a seat arrangement that includes a first link member extending horizontally and having forward and rearward portions, a second link member spaced from the first link member, a third link member coupled to the first and second link members and substantially flexible along a majority of a length thereof, and a fourth link member operably coupled to the first and second link members, the fourth link member being substantially rigid along a majority of a length thereof, wherein the link members cooperate to form a linkage arrangement, and wherein the seat arrangement moves in a rearward direction as the back arrangement is moved between the upright position and the reclined position.Type: GrantFiled: April 12, 2016Date of Patent: July 17, 2018Assignee: Steelcase Inc.Inventors: James Nolan Ludwig, Nickolaus William Charles Deevers, Kurt Heidmann, Bruce Michael Smith, Mark William Spoelhof
-
Publication number: 20180125245Abstract: A seating arrangement includes a base, a lower shell having a portion fixedly coupled to the base, and an upper shell supported entirely by the lower shell, the upper shell comprising a seating portion, a backrest portion moveable between an upright position and a reclined position, and a curved transition portion extending between the seating portion and the backrest portion, wherein a pair of laterally spaced longitudinal slots are located in portions of the seating portion and the transition portion thereby defining a central region and laterally spaced side regions, wherein the central region moves up relative to the side regions during recline.Type: ApplicationFiled: January 5, 2018Publication date: May 10, 2018Applicant: Steelcase Inc.Inventors: James Nolan Ludwig, Nickolaus William Charles Deevers, Kurt Heidmann, Bruce Michael Smith, Mark William Spoelhof
-
Publication number: 20180125246Abstract: A seating arrangement includes a base, a lower shell including a first portion coupled to the base and comprising a substantially horizontal portion, a curved transition portion and a backrest portion, a pair of laterally spaced front links extending upwardly from a forward portion of the first portion, a rear link extending upwardly from a rearward portion of the first portion of the lower shell and forwardly of the transition region of the lower shell, and an upper shell comprising a seating portion coupled to the pair of front links and to the rear link, a curved transition portion spaced apart from the curved transition portion of the lower shell and defining an open lateral pass through therebetween, and a backrest portion connected to the backrest portion of the lower shell.Type: ApplicationFiled: January 5, 2018Publication date: May 10, 2018Applicant: Steelcase Inc.Inventors: James Nolan Ludwig, Nickolaus William Charles Deevers, Kurt Heidmann, Bruce Michael Smith, Mark William Spoelhof
-
Publication number: 20160296026Abstract: A seating arrangement includes an upwardly-extending back arrangement movable between an upright and reclined positions, and a seat arrangement that includes a first link member extending horizontally and having forward and rearward portions, a second link member spaced from the first link member, a third link member coupled to the first and second link members and substantially flexible along a majority of a length thereof, and a fourth link member operably coupled to the first and second link members, the fourth link member being substantially rigid along a majority of a length thereof, wherein the link members cooperate to form a linkage arrangement, and wherein the seat arrangement moves in a rearward direction as the back arrangement is moved between the upright position and the reclined position.Type: ApplicationFiled: April 12, 2016Publication date: October 13, 2016Applicant: Steelcase Inc.Inventors: James Nolan Ludwig, Nickolaus William Charles Deevers, Kurt Heidmann, Bruce Michael Smith, Mark William Spoelhof
-
Publication number: 20160296025Abstract: A seating support arrangement includes a seating frame arrangement, a flexible cover member supported by the frame arrangement and configured to support a seated user, a surface layer covering at least a portion of the cover member and including a first surface facing the cover member and a second surface opposite the first surface, wherein the first surface of the surface layer includes first portions attached to the cover member interspaced with second portions that are not attached to the cover member, and an elastically resilient control arrangement supported by the frame arrangement and positioned between the cover member and one of the second portions such that the control arrangement is free to move with respect to the cover member and the surface layer, wherein elastic deformation of the control arrangement changes the geometrical configuration of the cover member.Type: ApplicationFiled: April 11, 2016Publication date: October 13, 2016Applicant: Steelcase Inc.Inventors: Bruce M. Smith, Carl V. Forslund, III, Christopher J. Norman, Gordon J. Peterson, Fredric Biddle, Nickolaus William Charles Deevers, James Nolan Ludwig
-
Patent number: D802951Type: GrantFiled: April 12, 2016Date of Patent: November 21, 2017Assignee: Steelcase Inc.Inventors: James Nolan Ludwig, Bruce Michael Smith, Mark William Spoelhof, Kurt Heidmann, Nickolaus William Charles Deevers
-
Patent number: D802952Type: GrantFiled: April 12, 2016Date of Patent: November 21, 2017Assignee: Steelcase Inc.Inventors: James Nolan Ludwig, Bruce Michael Smith, Jessie Michele Storey, Kurt R. Heidmann
-
Patent number: D804209Type: GrantFiled: April 12, 2016Date of Patent: December 5, 2017Assignee: Steelcase Inc.Inventors: James Nolan Ludwig, Bruce Michael Smith, Mark William Spoelhof, Kurt Heidmann, Nickolaus William Charles Deevers
-
Patent number: D804839Type: GrantFiled: April 12, 2016Date of Patent: December 12, 2017Assignee: Steelcase Inc.Inventors: James Nolan Ludwig, Bruce Michael Smith, Mark William Spoelhof, Kurt Heidmann, Nickolaus William Charles Deevers
-
Patent number: D804840Type: GrantFiled: April 12, 2016Date of Patent: December 12, 2017Assignee: Steelcase Inc.Inventors: James Nolan Ludwig, Bruce Michael Smith, Mark William Spoelhof, Kurt Heidmann, Nickolaus William Charles Deevers
-
Patent number: D804841Type: GrantFiled: April 12, 2016Date of Patent: December 12, 2017Assignee: Steelcase Inc.Inventors: James Nolan Ludwig, Bruce Michael Smith, Mark William Spoelhof, Kurt Heidmann, Nickolaus William Charles Deevers
-
Patent number: D804875Type: GrantFiled: April 12, 2016Date of Patent: December 12, 2017Assignee: Steelcase Inc.Inventors: James Nolan Ludwig, Bruce Michael Smith, Mark William Spoelhof, Kurt Heidmann, Nickolaus William Charles Deevers
-
Patent number: D804876Type: GrantFiled: April 12, 2016Date of Patent: December 12, 2017Assignee: Steelcase Inc.Inventors: James Nolan Ludwig, Bruce Michael Smith, Mark William Spoelhof, Kurt Heidmann, Nickolaus William Charles Deevers
-
Patent number: D808187Type: GrantFiled: April 12, 2016Date of Patent: January 23, 2018Assignee: Steelcase Inc.Inventors: James Nolan Ludwig, Bruce Michael Smith, Mark William Spoelhof, Kurt Heidmann, Nickolaus William Charles Deevers
-
Patent number: D821793Type: GrantFiled: April 12, 2016Date of Patent: July 3, 2018Assignee: STEELCASE INC.Inventors: James Nolan Ludwig, Bruce Michael Smith, Mark William Spoelhof, Kurt Heidmann, Nickolaus William Charles Deevers