- 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: 277
10-year publication summary
|
21
|
23
|
43
|
31
|
28
|
12
|
12
|
11
|
3
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Electric Hardmetal Corp. | 1018 |
49 |
| Kennametal Inc. | 1387 |
30 |
| Iscar, Ltd. | 1121 |
17 |
| Sumitomo Electric Industries, Ltd. | 15455 |
13 |
| Kyocera Corporation | 13800 |
11 |
| KOMET Group GmbH | 90 |
10 |
| Gühring oHG | 68 |
8 |
| SECO Tools AB | 462 |
8 |
| Gühring KG | 356 |
6 |
| Tungaloy Corporation | 506 |
6 |
| Guehring KG | 57 |
5 |
| Hartmetall-Werkzeugfabrik Paul Horn GmbH | 158 |
5 |
| Mapal Fabrik fur Prazisionswerkzeuge Dr. Kress KG | 146 |
5 |
| The Boeing Company | 20051 |
4 |
| Audi AG | 7361 |
4 |
| OSG Corporation | 350 |
4 |
| Safran Aircraft Engines | 6275 |
4 |
| Desgranges Outils Coupants | 5 |
4 |
| Sumitomo Electric Tool Net, Inc. | 13 |
4 |
| Robert Bosch GmbH | 42674 |
3 |
| Other owners | 77 |