- All sections
- B - Performing operationstransporting
- B24B - Machines, devices, or processes for grinding or polishingdressing or conditioning of abrading surfacesfeeding of grinding, polishing, or lapping agents
- B24B 9/00 - Machines or devices designed for grinding edges or bevels on work or for removing burrsAccessories therefor
Patent holdings for IPC class B24B 9/00
Total number of patents in this class: 423
10-year publication summary
|
37
|
37
|
35
|
18
|
20
|
28
|
19
|
17
|
26
|
12
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ebara Corporation | 2278 |
34 |
| Hoya Corporation | 2729 |
17 |
| Asahi Glass Company, Limited | 2649 |
17 |
| Sumco Corporation | 1109 |
12 |
| CITIC Dicastal CO., LTD | 568 |
10 |
| Nippon Electric Glass Co., Ltd. | 2520 |
9 |
| Shin-Etsu Handotai Co., Ltd. | 1304 |
9 |
| Bando Kiko Co., Ltd. | 75 |
7 |
| FOR.EL. S.p.A. | 54 |
6 |
| Tokyo Seimitsu Co., Ltd. | 393 |
6 |
| Rattunde & Co GmbH | 42 |
5 |
| Sintokogio, Ltd. | 1193 |
5 |
| The Boeing Company | 20137 |
4 |
| ABB Schweiz AG | 7519 |
4 |
| The Furukawa Electric Co., Ltd. | 3697 |
4 |
| Saint-Gobain Abrasifs | 625 |
4 |
| Saint-Gobain Abrasives, Inc. | 866 |
4 |
| Shanghai Ken Tools Co., Ltd. | 7 |
4 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3213 |
4 |
| Rattunde AG | 72 |
4 |
| Other owners | 254 |