- All sections
- B - Performing operations; transporting
- B24B - Machines, devices, or processes for grinding or polishing; dressing or conditioning of abrading surfaces; feeding of grinding, polishing, or lapping agents
- B24B 3/54 - Sharpening cutting edges, e.g. of tools; Accessories 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: 183
10-year publication summary
|
11
|
20
|
19
|
21
|
24
|
23
|
32
|
32
|
16
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Darex, LLC | 155 |
43 |
| Edgecraft Corporation | 126 |
21 |
| Horl 1993 GmbH | 40 |
15 |
| Smith's Consumer Products, Inc. | 104 |
9 |
| Tormek AB | 35 |
8 |
| The Hillman Group, Inc. | 391 |
6 |
| Kioxia Corporation | 10122 |
5 |
| Sunbeam Products, Inc. | 958 |
4 |
| Wolff Industries, Inc. | 29 |
4 |
| Razor Edge Systems, Inc. | 31 |
3 |
| Sharkninja Operating LLC | 2225 |
3 |
| Gerber Technology LLC | 88 |
3 |
| Sogest | 3 |
3 |
| Kyocera Corporation | 13327 |
2 |
| Dexter-Russell, Inc. | 98 |
2 |
| Friedr. Dick GmbH & Co. KG | 39 |
2 |
| Kongju National University Industry-University Cooperation Foundation | 91 |
2 |
| SEB S.A. | 1594 |
2 |
| Spyderco, Inc. | 139 |
2 |
| Cuttway Products Co., Ltd. | 8 |
2 |
| Other owners | 42 |