- All sections
- B - Performing operationstransporting
- B23D - Planingslottingshearingbroachingsawingfilingscrapinglike operations for working metal by removing material, not otherwise provided for
- B23D 77/02 - Reamers with inserted cutting edges
Patent holdings for IPC class B23D 77/02
Total number of patents in this class: 88
10-year publication summary
|
3
|
5
|
12
|
6
|
7
|
8
|
7
|
4
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kennametal Inc. | 1386 |
17 |
| A.L.M.T. Corp. | 226 |
11 |
| KOMET Group GmbH | 90 |
8 |
| Mapal Fabrik fur Prazisionswerkzeuge Dr. Kress KG | 147 |
6 |
| Guehring OHG | 14 |
4 |
| Gühring oHG | 68 |
4 |
| OSG Corporation | 352 |
4 |
| Exactaform Cutting Tools Limited | 5 |
2 |
| Gühring KG | 357 |
2 |
| SECO Tools AB | 463 |
2 |
| Unitac, Inc. | 19 |
2 |
| KOMET Deutschland GmbH | 39 |
2 |
| Sumitomo Electric Industries, Ltd. | 15428 |
1 |
| Sumitomo Electric Hardmetal Corp. | 1019 |
1 |
| Kyocera Corporation | 13784 |
1 |
| Allied Machine & Engineering Corp. | 103 |
1 |
| Audi AG | 7345 |
1 |
| Gehring Technologies GmbH | 27 |
1 |
| Guehring KG | 57 |
1 |
| Hartmetall-Werkzeugfabrik Paul Horn GmbH | 158 |
1 |
| Other owners | 16 |