- 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
|
6
|
9
|
4
|
6
|
9
|
5
|
4
|
5
|
1
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Graf Synergy S.r.l. | 79 |
7 |
| Rtx Corporation | 9576 |
4 |
| Karsten Manufacturing Corporation | 3218 |
3 |
| Valinge Innovation AB | 1013 |
3 |
| Apple Inc. | 56211 |
2 |
| 3m Innovative Properties Company | 17737 |
2 |
| Caterpillar Inc. | 9730 |
2 |
| Corning Incorporated | 10383 |
2 |
| Fairfield Manufacturing Company, Inc. | 44 |
2 |
| Fike Corporation | 139 |
2 |
| Greenleaf Technology Corporation | 46 |
2 |
| KENDRION (Villingen) GmbH | 76 |
2 |
| Sandvik Intellectual Property AB | 1458 |
2 |
| Bernd Siegmund GmbH | 21 |
2 |
| The Procter & Gamble Company | 21999 |
1 |
| Samsung Electronics Co., Ltd. | 148924 |
1 |
| Halliburton Energy Services, Inc. | 21021 |
1 |
| Illinois Tool Works Inc. | 11531 |
1 |
| Siemens AG | 24337 |
1 |
| United Technologies Corporation | 2238 |
1 |
| Other owners | 51 |