- All sections
- A - Human necessities
- A47C - Chairs; sofas; beds
- A47C 27/12 - Spring, stuffed or fluid mattresses specially adapted for chairs, beds or sofas with fibrous inlays, e.g. made of wool, of cotton
Patent holdings for IPC class A47C 27/12
Total number of patents in this class: 226
10-year publication summary
11
|
29
|
22
|
41
|
26
|
22
|
18
|
22
|
16
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Toyobo Co., Ltd. | 2286 |
15 |
C-eng Co., Ltd. | 32 |
14 |
airweave inc. | 39 |
12 |
Dreamwell, Ltd. | 401 |
9 |
Kaneka Corporation | 4445 |
6 |
Serta Simmons Bedding, LLC | 13 |
6 |
Sealy Technology LLC | 364 |
5 |
TS Tech Co., Ltd. | 1388 |
5 |
Hill-Rom Services, Inc. | 1115 |
4 |
IKEA Supply AG | 272 |
4 |
IndraTech LLC | 9 |
4 |
King Koil Licensing Company, Inc. | 97 |
3 |
Polygroup Macau Limited (BVI) | 122 |
3 |
Soft-Tex International Inc. | 36 |
3 |
Purple Innovation, LLC | 308 |
3 |
Toray Industries, Inc. | 6652 |
2 |
Lear Corporation | 1196 |
2 |
Bedgear LLC | 260 |
2 |
Diamond Mattress Company, Inc. | 45 |
2 |
Sears Manufacturing Co. | 34 |
2 |
Other owners | 120 |