- All sections
- B - Performing operations; transporting
- B23P - Metal-working not otherwise provided for; combined operations; universal machine tools
- B23P 15/28 - Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools
Patent holdings for IPC class B23P 15/28
Total number of patents in this class: 365
10-year publication summary
|
37
|
32
|
32
|
32
|
38
|
27
|
21
|
23
|
24
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Electric Hardmetal Corp. | 969 |
37 |
| Mitsubishi Materials Corporation | 2378 |
22 |
| Baker Hughes Holdings LLC | 3060 |
21 |
| Kyocera Corporation | 12735 |
17 |
| Hilti Aktiengesellschaft | 3227 |
15 |
| Kennametal Inc. | 1380 |
13 |
| Smith International, Inc. | 761 |
9 |
| Sumitomo Electric Industries, Ltd. | 14131 |
8 |
| Sandvik Intellectual Property AB | 1634 |
7 |
| Iscar, Ltd. | 1084 |
6 |
| Milwaukee Electric Tool Corporation | 3572 |
6 |
| Baker Hughes Incorporated | 5689 |
4 |
| Halliburton Energy Services, Inc. | 20165 |
4 |
| Deere & Company | 6845 |
4 |
| Diamond Innovations, Inc. | 241 |
4 |
| OSG Corporation | 355 |
4 |
| SECO Tools AB | 456 |
4 |
| Robert Bosch GmbH | 40953 |
3 |
| C4 Carbides Limited | 20 |
3 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
3 |
| Other owners | 171 |