- All sections
- B - Performing operationstransporting
- B24B - Machines, devices, or processes for grinding or polishingdressing or conditioning of abrading surfacesfeeding of grinding, polishing, or lapping agents
- B24B 5/307 - Means for supporting work
Patent holdings for IPC class B24B 5/307
Total number of patents in this class: 30
10-year publication summary
|
2
|
2
|
3
|
5
|
3
|
3
|
2
|
1
|
1
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Schaeffler Technologies AG & Co. KG | 10665 |
4 |
| NSK Ltd. | 2824 |
4 |
| NTN Corporation | 4941 |
2 |
| Erwin Junker Grinding Technology A.S. | 23 |
2 |
| Fives Landis Limited | 43 |
2 |
| The United States of America as represented by the Secretary of the Navy | 2831 |
1 |
| NGK Insulators, Ltd. | 5182 |
1 |
| JTEKT Corporation | 2545 |
1 |
| ANCA Pty Ltd | 43 |
1 |
| Berger Holding GmbH & Co. KG | 6 |
1 |
| BorgWarner Inc. | 2577 |
1 |
| Disco Corporation | 1927 |
1 |
| Erwin Junker Maschinenfabrik GmbH | 40 |
1 |
| Glebar Acquisition, LLC | 11 |
1 |
| MAHLE International GmbH | 2874 |
1 |
| Micron Machinery Co., Ltd | 13 |
1 |
| Progressive Surface, Inc. | 13 |
1 |
| Tianjin University | 859 |
1 |
| URS Tschudin | 1 |
1 |
| Tschudin GmbH Grenchen | 7 |
1 |
| Other owners | 1 |