- All sections
- B - Performing operationstransporting
- B23D - Planingslottingshearingbroachingsawingfilingscrapinglike operations for working metal by removing material, not otherwise provided for
- B23D 21/02 - Machines or devices for shearing or cutting tubes otherwise than in a plane perpendicular to the axis of the tube, e.g. for making mitred cuts, for making bicycle frames
Patent holdings for IPC class B23D 21/02
Total number of patents in this class: 28
10-year publication summary
|
2
|
1
|
1
|
2
|
1
|
5
|
1
|
0
|
2
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| TT Technologies, Inc. | 152 |
6 |
| The Charles Machine Works, Inc. | 426 |
4 |
| Halliburton Energy Services, Inc. | 21296 |
2 |
| Mil3 Inc. | 5 |
2 |
| Yazaki Corporation | 7168 |
1 |
| ATS Automation Tooling Systems Inc. | 102 |
1 |
| Callidus Capital B.V. | 22 |
1 |
| Hitachi Plant Construction, Ltd. | 2 |
1 |
| NLB Engineering Limited | 5 |
1 |
| Rogue Fabrication, LLC | 23 |
1 |
| Solar Turbines Incorporated | 508 |
1 |
| T-Drill Oy | 9 |
1 |
| TEAM Industrial Services, Inc. | 66 |
1 |
| Metzner Maschinenbau GmbH | 19 |
1 |
| Scottool Limited | 1 |
1 |
| Nixon, Kathryn Griffin | 1 |
1 |
| ATS Corporation | 196 |
1 |
| Citizens Energy Management Company, LLC | 1 |
1 |
| Other owners | 0 |