- 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 3/54 - Sharpening cutting edges, e.g. of toolsAccessories therefor, e.g. for holding the tools of cutting blades of hand or table knives
Patent holdings for IPC class B24B 3/54
Total number of patents in this class: 214
10-year publication summary
|
20
|
19
|
21
|
24
|
23
|
31
|
33
|
16
|
30
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Darex, LLC | 177 |
45 |
| Horl 1993 GmbH | 45 |
19 |
| Edgecraft Corporation | 95 |
16 |
| Tormek AB | 35 |
10 |
| Good Sportsman Marketing, LLC | 1018 |
9 |
| The Hillman Group, Inc. | 402 |
6 |
| Sunbeam Products, Inc. | 862 |
6 |
| Wolff Industries, Inc. | 31 |
5 |
| Kioxia Corporation | 10879 |
5 |
| Razor Edge Systems, Inc. | 33 |
4 |
| Sharkninja Operating LLC | 2738 |
4 |
| Legacy Companies, LLC, The | 43 |
3 |
| Gerber Technology LLC | 86 |
3 |
| Sogest | 3 |
3 |
| Kyocera Corporation | 14433 |
2 |
| Dexter-Russell, Inc. | 95 |
2 |
| Friedr. Dick GmbH & Co. KG | 36 |
2 |
| Kongju National University Industry-University Cooperation Foundation | 112 |
2 |
| SEB S.A. | 1675 |
2 |
| Spyderco, Inc. | 173 |
2 |
| Other owners | 64 |