- All sections
- B - Performing operationstransporting
- B23C - Milling
- B23C 3/30 - Milling straight grooves, e.g. keyways
Patent holdings for IPC class B23C 3/30
Total number of patents in this class: 94
10-year publication summary
|
9
|
4
|
7
|
9
|
5
|
7
|
5
|
1
|
5
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Graf Synergy S.r.l. | 77 |
7 |
| Rtx Corporation | 9893 |
4 |
| Karsten Manufacturing Corporation | 3275 |
3 |
| Valinge Innovation AB | 1028 |
3 |
| Apple Inc. | 58181 |
2 |
| 3m Innovative Properties Company | 17507 |
2 |
| Caterpillar Inc. | 10167 |
2 |
| Corning Incorporated | 10421 |
2 |
| Fairfield Manufacturing Company, Inc. | 53 |
2 |
| Fike Corporation | 138 |
2 |
| Greenleaf Technology Corporation | 50 |
2 |
| KENDRION (Villingen) GmbH | 76 |
2 |
| Sandvik Intellectual Property AB | 1415 |
2 |
| Bernd Siegmund GmbH | 21 |
2 |
| The Procter & Gamble Company | 21900 |
1 |
| Samsung Electronics Co., Ltd. | 154406 |
1 |
| Halliburton Energy Services, Inc. | 21230 |
1 |
| Illinois Tool Works Inc. | 11745 |
1 |
| Siemens AG | 24189 |
1 |
| United Technologies Corporation | 2220 |
1 |
| Other owners | 51 |