- All sections
- A - Human necessities
- A47C - Chairs; sofas; beds
- A47C 21/06 - Mattress underlays
Patent holdings for IPC class A47C 21/06
Total number of patents in this class: 90
10-year publication summary
|
13
|
19
|
13
|
12
|
9
|
13
|
4
|
3
|
4
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Levitation Sciences LLC | 81 |
25 |
| Tempur World, LLC | 224 |
8 |
| Bedgear LLC | 257 |
4 |
| Diacor, Inc. | 6 |
3 |
| Sleep Number Corporation | 516 |
3 |
| Stryker Corporation | 4457 |
2 |
| Bedjet, LLC | 35 |
2 |
| CleanBrands, LLC | 21 |
2 |
| Span-America Medical Systems, Inc. | 53 |
2 |
| Starsprings AB | 43 |
2 |
| Patient Positioning Systems, LLC | 3 |
2 |
| Unikulma Oy | 10 |
2 |
| Lateral Prep, LLC | 2 |
2 |
| General Electric Company | 17783 |
1 |
| E. I. du Pont de Nemours and Company | 4251 |
1 |
| Albis SpA | 5 |
1 |
| Allen Medical Systems, Inc. | 128 |
1 |
| Ascion, LLC | 49 |
1 |
| Banyan Licensing L.L.C. | 68 |
1 |
| BICO AG | 1 |
1 |
| Other owners | 24 |