Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12232628 | Chair assembly | Yu-Ling Wu, Armin Sander | 2025-02-25 |
| 12178324 | Synchronous mechanism for a piece of seating furniture, and piece of seating furniture | Armin Sander | 2024-12-31 |
| 12137817 | Interlocking mechanism for seat and back of chair | Yu-Ling Wu, Armin Sander | 2024-11-12 |
| D960597 | Chair | Eric D. Cross, Mugi D. Yamamoto, Armin Sander | 2022-08-16 |
| 11076696 | Seat, in particular an office chair | Armin Sander | 2021-08-03 |
| D907423 | Chair | Eric D. Cross, Mugi D. Yamamoto, Armin Sander | 2021-01-12 |
| 10638841 | Seat, in particular an office chair | Armin Sander | 2020-05-05 |
| 10357110 | Chair, in particular office chair | Armin Sander | 2019-07-23 |
| 10111525 | Seat, in particular an office chair | Armin Sander | 2018-10-30 |
| 9913539 | Office chair | Peter LaDuke, Jason Wilhelm Hall, Timothy J. Scholma, Nicolai Czumaj-Bront, Teresa A. Bellingar +3 more | 2018-03-13 |
| 9826836 | Seat, in particular an office chair | Armin Sander | 2017-11-28 |
| D793787 | Portion of a back support for a chair | Michael W. Welsh, Kyle R. Fleet, Nicolai Czumaj-Bront, Markus Berenwinkel, Carlo Shayeb | 2017-08-08 |
| D782859 | Back support for a chair | Michael W. Welsh, Kyle R. Fleet, Nicolai Czumaj-Bront, Markus Berenwinkel, Carlo Shayeb | 2017-04-04 |
| D782241 | Back support for a chair | Michael W. Welsh, Kyle R. Fleet, Nicolai Czumaj-Bront, Markus Berenwinkel, Carlo Shayeb | 2017-03-28 |
| D779250 | Portion of a back support for a chair | Michael W. Welsh, Kyle R. Fleet, Nicolai Czumaj-Bront, Markus Berenwinkel, Carlo Shayeb | 2017-02-21 |
| D779248 | Armrests for a chair | Michael W. Welsh, Kyle R. Fleet, Nicolai Czumaj-Bront, Markus Berenwinkel, Carlo Shayeb | 2017-02-21 |
| 9504325 | Seat, in particular an office chair | Armin Sander | 2016-11-29 |
| 9486081 | Item of seating furniture, in particular office chair | Armin Sander | 2016-11-08 |
| 9265348 | Adjusting mechanism for setting a restoring force which acts on a backrest of a chair, and office chair having an adjusting mechanism of this type | — | 2016-02-23 |
| D638635 | Chair | Armin Sander, Hiroto Usumoto | 2011-05-31 |
| D636614 | Chair | Armin Sander, Hiroto Usumoto | 2011-04-26 |
| 6896329 | Chair, in particular office chair | Armin Sander | 2005-05-24 |
| 6709057 | Chair, in particular office chair | Armin Sander | 2004-03-23 |
| 6692075 | Chair having a synchronously adjustable seat and backrest | Armin Sander, Peter Horn | 2004-02-17 |
| 6659555 | Spring unit for weight adjustment of a chair | Rolf Scholz, Frank Weisser, Armin Sander | 2003-12-09 |