- All sections
- A - Human necessities
- A47C - Chairssofasbeds
- A47C 27/18 - Spring, stuffed or fluid mattresses specially adapted for chairs, beds or sofas with foamed material inlays in combination with inflatable bodies
Patent holdings for IPC class A47C 27/18
Total number of patents in this class: 152
10-year publication summary
|
14
|
19
|
19
|
18
|
15
|
32
|
18
|
14
|
9
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sleep Number Corporation | 516 |
23 |
| Dreamwell, Ltd. | 396 |
10 |
| Hill-Rom Services, Inc. | 1121 |
10 |
| Cascade Designs, Inc. | 112 |
7 |
| Comfort Concepts Pty Limited | 7 |
4 |
| Sinomax USA Inc. | 70 |
4 |
| Etac AB | 54 |
3 |
| Invacare UK Operations Limited | 19 |
3 |
| SKYDEX Technologies, Inc. | 47 |
3 |
| KeyBank National Association | 32 |
2 |
| Otto Bock Mobility Solutions GmbH | 30 |
2 |
| Raye's, Inc. | 26 |
2 |
| Umano Medical Inc. | 58 |
2 |
| The United Mattress, LLC | 4 |
2 |
| The Board of Regents of the University of Texas System | 2132 |
2 |
| Purple Innovation, LLC | 323 |
2 |
| Tarta Design S.r.l. | 4 |
2 |
| Invacare International GmbH | 120 |
2 |
| Daily Back Up Ltd | 4 |
2 |
| Dongguan Hongyu Plastic Co.,Ltd | 31 |
2 |
| Other owners | 63 |