- 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 21/16 - Machines or devices using grinding or polishing beltsAccessories therefor for grinding other surfaces of particular shape
Patent holdings for IPC class B24B 21/16
Total number of patents in this class: 84
10-year publication summary
|
5
|
11
|
11
|
9
|
4
|
5
|
5
|
2
|
3
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Chongqing University | 266 |
4 |
| Chongqing Samhida Grinding Machine Company | 4 |
4 |
| Pratt & Whitney Canada Corp. | 4602 |
3 |
| Ebara Corporation | 2143 |
3 |
| JÖST GmbH | 38 |
3 |
| Lufthansa Technik AG | 479 |
3 |
| Rud. Starcke GmbH & Co. KG | 42 |
3 |
| Saint-Gobain Abrasifs | 649 |
3 |
| Saint-Gobain Abrasives, Inc. | 887 |
3 |
| Sanshin Co., Ltd. | 5 |
3 |
| Thielenhaus Technologies GmbH | 17 |
3 |
| Siemens Energy Global GmbH & Co. KG | 2916 |
3 |
| Siemens AG | 24561 |
2 |
| SNECMA S.A. | 1145 |
2 |
| Robert Bosch GmbH | 42450 |
2 |
| CITIC Dicastal CO., LTD | 558 |
2 |
| FerRobotics Compliant Robot Technology GmbH | 66 |
2 |
| Shiroki Corporation | 268 |
2 |
| Supfina Grieshaber GmbH & Co. KG | 81 |
2 |
| Vestas Wind Systems A/S | 3644 |
2 |
| Other owners | 30 |