- 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 49/18 - Measuring or gauging equipment for controlling the feed movement of the grinding tool or workArrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation taking regard of the presence of dressing tools
Patent holdings for IPC class B24B 49/18
Total number of patents in this class: 117
10-year publication summary
|
6
|
11
|
9
|
12
|
4
|
8
|
12
|
9
|
13
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ebara Corporation | 2371 |
19 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 49027 |
13 |
| Tokyo Seimitsu Co., Ltd. | 441 |
6 |
| Samsung Electronics Co., Ltd. | 159298 |
4 |
| Applied Materials, Inc. | 20601 |
4 |
| Disco Corporation | 1963 |
4 |
| Saint-Gobain Abrasives, Inc. | 859 |
4 |
| Illinois Tool Works Inc. | 11894 |
3 |
| Klingelnberg AG | 84 |
3 |
| Saint-Gobain Abrasifs | 615 |
3 |
| GrayMatter Robotics Inc., AKA GrayMatter Robotics | 55 |
3 |
| Tokyo Electron Limited | 13956 |
2 |
| Rolls-Royce PLC | 3229 |
2 |
| Mitsubishi Heavy Industries Machine Tool Co., Ltd. | 134 |
2 |
| Sumco Corporation | 1108 |
2 |
| WAFIOS Aktiengesellschaft | 104 |
2 |
| HOMAG Bohrsysteme GmbH | 41 |
2 |
| 3m Innovative Properties Company | 17450 |
1 |
| Pratt & Whitney Canada Corp. | 5584 |
1 |
| Kimberly-clark Worldwide, Inc. | 5254 |
1 |
| Other owners | 36 |