- 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 39/00 - Burnishing machines or devices, i.e. requiring pressure members for compacting the surface zoneAccessories therefor
Patent holdings for IPC class B24B 39/00
Total number of patents in this class: 127
10-year publication summary
|
7
|
13
|
15
|
7
|
6
|
5
|
4
|
2
|
3
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9109 |
11 |
| Surface Technology Holdings, Ltd. | 30 |
8 |
| Hegenscheidt-MFD GmbH & Co. KG | 71 |
5 |
| The Boeing Company | 19911 |
4 |
| Rolls-Royce Deutschland Ltd & Co KG | 797 |
4 |
| Safran Aircraft Engines | 6039 |
4 |
| Constellium Issoire | 214 |
3 |
| Ecoroll AG Werkzeugtechnik | 15 |
3 |
| Sugino Machine Limited | 167 |
3 |
| Siemens AG | 24565 |
2 |
| ZF Friedrichshafen AG | 7028 |
2 |
| Schaeffler Technologies AG & Co. KG | 9395 |
2 |
| Armotech S.R.O. | 10 |
2 |
| Belvac Production Machinery, Inc. | 151 |
2 |
| Brinkman Products, Inc. | 31 |
2 |
| Engineered Abrasives, Inc. | 31 |
2 |
| FANUC Corporation | 6341 |
2 |
| House of Metals Company Limited | 33 |
2 |
| Praxair S.T. Technology, Inc. | 135 |
2 |
| Technische Universitat Berlin | 354 |
2 |
| Other owners | 60 |