- All sections
- B - Performing operations; transporting
- 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: 336
10-year publication summary
|
26
|
27
|
23
|
39
|
38
|
26
|
31
|
26
|
24
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kennametal Inc. | 1380 |
57 |
| Kyocera Corporation | 12735 |
23 |
| SECO Tools AB | 456 |
15 |
| Iscar, Ltd. | 1084 |
14 |
| Sandvik Intellectual Property AB | 1634 |
13 |
| Mitsubishi Materials Corporation | 2378 |
12 |
| Sumitomo Electric Hardmetal Corp. | 969 |
10 |
| No Screw Ltd. | 30 |
9 |
| Hartmetall-Werkzeugfabrik Paul Horn GmbH | 154 |
8 |
| Franz Haimer Maschinenbau KG | 144 |
6 |
| KOMET Deutschland GmbH | 45 |
6 |
| AB Sandvik Coromant | 175 |
5 |
| Ceratizit Austria Gesellschaft mbH | 118 |
5 |
| Gühring oHG | 71 |
5 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
5 |
| Decatur Diamond, LLC | 11 |
5 |
| OSG Corporation | 355 |
4 |
| Audi AG | 7153 |
3 |
| Guehring OHG | 17 |
3 |
| Gühring KG | 342 |
3 |
| Other owners | 125 |