- All sections
- E - Fixed constructions
- E04F - Finishing work on buildings, e.g. stairs, floors
- E04F 11/00 - Stairways, ramps, or like structuresBalustradesHandrails
Patent holdings for IPC class E04F 11/00
Total number of patents in this class: 193
10-year publication summary
|
16
|
21
|
18
|
19
|
16
|
14
|
15
|
12
|
7
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Myd"l" | 12 |
11 |
| HomeCare Products, Inc. | 60 |
10 |
| Lift-U, Division of Hogan Mfg., Inc. | 67 |
9 |
| Toray Industries, Inc. | 7006 |
5 |
| Sumitomo Rubber Industries, Ltd. | 4678 |
5 |
| Emeh, Inc. | 87 |
5 |
| Latham Pool Products, Inc. | 183 |
5 |
| Enable Access (Holdings) Limited | 19 |
4 |
| Georgia Tech Research Corporation | 2828 |
3 |
| Emory University | 1660 |
3 |
| Imperial Pools, Inc. | 38 |
3 |
| Lowe's Companies, Inc. | 155 |
3 |
| Quality Mat Company | 43 |
3 |
| Rose ACRE Farms, Inc. | 45 |
3 |
| Myd'l | 8 |
3 |
| Heated Ramps, LLC | 3 |
3 |
| Lifeway Ease, LLC | 3 |
3 |
| The Boeing Company | 20163 |
2 |
| Anenda Systems Inc. | 23 |
2 |
| Australian Ramp Systems Pty Limited | 2 |
2 |
| Other owners | 106 |