- 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 77/02 - Reamers with inserted cutting edges
Patent holdings for IPC class B23D 77/02
Total number of patents in this class: 90
10-year publication summary
|
3
|
3
|
5
|
12
|
6
|
7
|
8
|
7
|
4
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kennametal Inc. | 1380 |
17 |
| A.L.M.T. Corp. | 209 |
10 |
| Mapal Fabrik fur Prazisionswerkzeuge Dr. Kress KG | 153 |
9 |
| KOMET Group GmbH | 93 |
8 |
| Guehring OHG | 17 |
4 |
| Gühring oHG | 71 |
4 |
| OSG Corporation | 355 |
4 |
| Exactaform Cutting Tools Limited | 4 |
2 |
| Gühring KG | 342 |
2 |
| Iscar, Ltd. | 1084 |
2 |
| SECO Tools AB | 456 |
2 |
| Unitac, Inc. | 21 |
2 |
| KOMET Deutschland GmbH | 45 |
2 |
| Sumitomo Electric Industries, Ltd. | 14131 |
1 |
| Sumitomo Electric Hardmetal Corp. | 969 |
1 |
| Kyocera Corporation | 12735 |
1 |
| Allied Machine & Engineering Corp. | 106 |
1 |
| Audi AG | 7153 |
1 |
| Gehring Technologies GmbH | 28 |
1 |
| Guehring KG | 58 |
1 |
| Other owners | 15 |