- 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 3/36 - Sharpening cutting edges, e.g. of toolsAccessories therefor, e.g. for holding the tools of cutting blades
Patent holdings for IPC class B24B 3/36
Total number of patents in this class: 188
10-year publication summary
|
13
|
20
|
13
|
15
|
20
|
16
|
13
|
14
|
11
|
17
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Darex, LLC | 177 |
24 |
| Tormek AB | 35 |
8 |
| Bauer Hockey Ltd. | 340 |
5 |
| Edgecraft Corporation | 95 |
4 |
| Futura S.p.A. | 141 |
4 |
| Johannes Franzen GmbH & Co. KG | 6 |
4 |
| Orbisharp Robotics, Inc. | 7 |
4 |
| Good Sportsman Marketing, LLC | 1018 |
3 |
| The Hillman Group, Inc. | 402 |
3 |
| Legacy Companies, LLC, The | 43 |
3 |
| Razor Edge Systems, Inc. | 33 |
3 |
| Foley United, LLC | 3 |
3 |
| Jinhua Yuyin Trading Co., Ltd. | 10 |
3 |
| Covidien LP | 10688 |
2 |
| Massachusetts Institute of Technology | 10285 |
2 |
| Amada Company, Limited | 626 |
2 |
| Disco Corporation | 1957 |
2 |
| FABIO PERINI S.p.A. | 89 |
2 |
| Foley-Belsaw | 2 |
2 |
| Lectra | 105 |
2 |
| Other owners | 103 |