- 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: 419
10-year publication summary
|
26
|
35
|
37
|
35
|
18
|
20
|
27
|
19
|
15
|
22
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ebara Corporation | 2201 |
33 |
| Hoya Corporation | 2759 |
17 |
| Asahi Glass Company, Limited | 2756 |
17 |
| Sumco Corporation | 1114 |
12 |
| Shin-Etsu Handotai Co., Ltd. | 1288 |
11 |
| CITIC Dicastal CO., LTD | 562 |
10 |
| Nippon Electric Glass Co., Ltd. | 2474 |
9 |
| Bando Kiko Co., Ltd. | 73 |
7 |
| Rattunde & Co GmbH | 44 |
5 |
| Sintokogio, Ltd. | 1165 |
5 |
| The Boeing Company | 20139 |
4 |
| ABB Schweiz AG | 7085 |
4 |
| The Furukawa Electric Co., Ltd. | 3701 |
4 |
| FOR.EL. S.p.A. | 45 |
4 |
| Saint-Gobain Abrasifs | 654 |
4 |
| Saint-Gobain Abrasives, Inc. | 886 |
4 |
| Shanghai Ken Tools Co., Ltd. | 7 |
4 |
| Tokyo Seimitsu Co., Ltd. | 375 |
4 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3077 |
4 |
| Apple Inc. | 55735 |
3 |
| Other owners | 254 |