- All sections
- B - Performing operationstransporting
- B23C - Milling
- B23C 5/28 - Features relating to lubricating or cooling
Patent holdings for IPC class B23C 5/28
Total number of patents in this class: 376
10-year publication summary
|
23
|
39
|
38
|
26
|
32
|
28
|
26
|
27
|
16
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kennametal Inc. | 1358 |
65 |
| Kyocera Corporation | 14270 |
30 |
| Iscar, Ltd. | 1083 |
17 |
| SECO Tools AB | 448 |
15 |
| Sandvik Intellectual Property AB | 1410 |
13 |
| Sumitomo Electric Hardmetal Corp. | 1094 |
12 |
| Mitsubishi Materials Corporation | 2464 |
12 |
| No Screw Ltd. | 33 |
12 |
| Hartmetall-Werkzeugfabrik Paul Horn GmbH | 155 |
7 |
| Ceratizit Austria Gesellschaft mbH | 117 |
6 |
| Franz Haimer Maschinenbau KG | 141 |
6 |
| KOMET Deutschland GmbH | 34 |
6 |
| AB Sandvik Coromant | 284 |
5 |
| Gühring oHG | 65 |
5 |
| Mitsubishi Gas Chemical Company, Inc. | 3604 |
5 |
| Tungaloy Corporation | 533 |
5 |
| Decatur Diamond, LLC | 11 |
5 |
| Kanefusa Kabushiki Kaisha | 94 |
4 |
| OSG Corporation | 350 |
4 |
| Audi AG | 7517 |
3 |
| Other owners | 139 |