- All sections
- B - Performing operationstransporting
- B23D - Planingslottingshearingbroachingsawingfilingscrapinglike operations for working metal by removing material, not otherwise provided for
- B23D 77/00 - Reaming tools
Patent holdings for IPC class B23D 77/00
Total number of patents in this class: 282
10-year publication summary
|
23
|
43
|
31
|
28
|
12
|
13
|
12
|
5
|
5
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Electric Hardmetal Corp. | 1093 |
50 |
| Kennametal Inc. | 1360 |
32 |
| Iscar, Ltd. | 1083 |
16 |
| Sumitomo Electric Industries, Ltd. | 16191 |
13 |
| Kyocera Corporation | 14278 |
11 |
| KOMET Group GmbH | 89 |
10 |
| SECO Tools AB | 448 |
9 |
| Gühring oHG | 65 |
8 |
| Gühring KG | 369 |
6 |
| Tungaloy Corporation | 533 |
6 |
| Guehring KG | 63 |
5 |
| Hartmetall-Werkzeugfabrik Paul Horn GmbH | 155 |
5 |
| Mapal Fabrik fur Prazisionswerkzeuge Dr. Kress KG | 128 |
5 |
| Safran Aircraft Engines | 6576 |
5 |
| The Boeing Company | 20131 |
4 |
| A.L.M.T. Corp. | 240 |
4 |
| Audi AG | 7504 |
4 |
| OSG Corporation | 349 |
4 |
| Sumitomo Electric Tool Net, Inc. | 13 |
4 |
| Robert Bosch GmbH | 43788 |
3 |
| Other owners | 78 |