- All sections
- B - Performing operations; transporting
- B23D - Planing; slotting; shearing; broaching; sawing; filing; scraping; like 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: 281
10-year publication summary
|
18
|
21
|
23
|
43
|
31
|
28
|
12
|
13
|
10
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Electric Hardmetal Corp. | 969 |
49 |
| Kennametal Inc. | 1380 |
30 |
| Iscar, Ltd. | 1084 |
16 |
| Sumitomo Electric Industries, Ltd. | 14131 |
13 |
| Kyocera Corporation | 12735 |
11 |
| KOMET Group GmbH | 93 |
10 |
| Gühring oHG | 71 |
9 |
| SECO Tools AB | 456 |
8 |
| Gühring KG | 342 |
6 |
| Mapal Fabrik fur Prazisionswerkzeuge Dr. Kress KG | 153 |
6 |
| Tungaloy Corporation | 481 |
6 |
| Guehring KG | 58 |
5 |
| Hartmetall-Werkzeugfabrik Paul Horn GmbH | 154 |
5 |
| The Boeing Company | 19843 |
4 |
| Audi AG | 7153 |
4 |
| Mitsubishi Materials Corporation | 2378 |
4 |
| OSG Corporation | 355 |
4 |
| Safran Aircraft Engines | 5739 |
4 |
| Sumitomo Electric Tool Net, Inc. | 13 |
4 |
| Robert Bosch GmbH | 40953 |
3 |
| Other owners | 80 |