- All sections
- E - Fixed constructions
- E04G - Scaffoldingformsshutteringbuilding implements or aids, or their usehandling building materials on the siterepairing, breaking-up or other work on existing buildings
- E04G 21/16 - Tools or apparatus
Patent holdings for IPC class E04G 21/16
Total number of patents in this class: 281
10-year publication summary
|
22
|
31
|
24
|
39
|
29
|
40
|
26
|
23
|
32
|
24
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Brunkeberg Systems AB | 23 |
8 |
| ConXtech, Inc. | 87 |
8 |
| Fastbrick IP Pty Ltd | 114 |
7 |
| Buildz, LLC | 34 |
7 |
| Cetres Holdings, LLC | 108 |
5 |
| Guangzhou Construction Engineering Co., Ltd. | 23 |
5 |
| Wobbleworks, Inc. | 108 |
5 |
| Casne Verige Pty Ltd | 13 |
4 |
| CSR Building Products Limited | 48 |
4 |
| Odin, LLC | 4 |
4 |
| Shanghai Yesheng Mechanical & Electrical Control Technology Co., Ltd | 7 |
4 |
| Shimizu Corporation | 96 |
4 |
| Big Time Investment, LLC | 39 |
4 |
| The Third Construction Co., Ltd of China Construction Third Engineering Bureau | 17 |
4 |
| Illinois Tool Works Inc. | 11520 |
3 |
| Makita Corporation | 2465 |
3 |
| Doka GmbH | 154 |
3 |
| Guangzhou Wu Yang Construction Machinery Co., Ltd. | 9 |
3 |
| I & P I Norr AB | 3 |
3 |
| Modology Design Group | 12 |
3 |
| Other owners | 190 |