- All sections
- A - Human necessities
- A47C - Chairs; sofas; beds
- A47C 27/14 - Spring, stuffed or fluid mattresses specially adapted for chairs, beds or sofas with foamed material inlays
Patent holdings for IPC class A47C 27/14
Total number of patents in this class: 766
10-year publication summary
|
99
|
74
|
115
|
80
|
88
|
84
|
86
|
100
|
62
|
18
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dreamwell, Ltd. | 401 |
49 |
| Bridgestone Corporation | 7067 |
42 |
| Sleep Number Corporation | 471 |
20 |
| JSR Corporation | 2476 |
19 |
| Purple Innovation, LLC | 308 |
17 |
| Archem Inc. | 109 |
15 |
| Kaneka Corporation | 4445 |
14 |
| Sealy Technology LLC | 364 |
14 |
| Bedgear LLC | 260 |
12 |
| Tempur World, LLC | 221 |
11 |
| Sinomax USA Inc. | 67 |
10 |
| Hill-Rom Services, Inc. | 1115 |
9 |
| Ascion, LLC | 50 |
7 |
| Cascade Designs, Inc. | 115 |
7 |
| Soft-Tex International Inc. | 36 |
7 |
| Evonik Operations GmbH | 3879 |
7 |
| Soft-Tex Group, Inc. | 111 |
7 |
| Stryker Corporation | 3864 |
6 |
| Hsiu Chen Liao | 7 |
6 |
| SKYDEX Technologies, Inc. | 50 |
6 |
| Other owners | 481 |