- All sections
- E - Fixed constructions
- E04F - Finishing work on buildings, e.g. stairs, floors
- E04F 21/12 - Mechanical implements acting by gas pressure, e.g. steam pressure
Patent holdings for IPC class E04F 21/12
Total number of patents in this class: 68
10-year publication summary
|
4
|
5
|
12
|
4
|
11
|
4
|
3
|
9
|
2
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canvas Construction, Inc. | 29 |
14 |
| Ez-pro Texture Inc. | 13 |
9 |
| Saint-Gobain Isover | 635 |
8 |
| Guangdong Bright Dream Robotics Co., Ltd. | 161 |
3 |
| A-paint Specialty, Inc. | 67 |
3 |
| Albion Engineering Company | 28 |
2 |
| Graco Minnesota Inc. | 1203 |
2 |
| Level 5 Tools, LLC | 20 |
2 |
| Q-bot Limited | 29 |
2 |
| Sika Technology AG | 2870 |
2 |
| EURL Baumer Damien | 2 |
2 |
| R.u.r. Czech A.S. | 2 |
2 |
| Shin-Etsu Chemical Co., Ltd. | 5676 |
1 |
| Anest Iwata Corporation | 153 |
1 |
| Axia Acquistion Corporation | 2 |
1 |
| Construction Research & Technology GmbH | 641 |
1 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 626 |
1 |
| LIXIL Corporation | 708 |
1 |
| Normet International Ltd. | 150 |
1 |
| Owens Corning Intellectual Capital, LLC | 1632 |
1 |
| Other owners | 9 |