- 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 39/02 - Burnishing machines or devices, i.e. requiring pressure members for compacting the surface zoneAccessories therefor designed for working internal surfaces of revolution
Patent holdings for IPC class B24B 39/02
Total number of patents in this class: 67
10-year publication summary
|
6
|
8
|
7
|
12
|
5
|
4
|
4
|
3
|
1
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sugino Machine Limited | 178 |
6 |
| Mauser-Werke Oberndorf Maschinenbau GmbH | 33 |
5 |
| Android Industries LLC | 119 |
3 |
| Ecoroll AG Werkzeugtechnik | 15 |
3 |
| Titanium Metals Corporation | 82 |
3 |
| Rtx Corporation | 9429 |
3 |
| The Boeing Company | 20098 |
2 |
| Robert Bosch GmbH | 42784 |
2 |
| Schaeffler Technologies AG & Co. KG | 9967 |
2 |
| NSK Ltd. | 2790 |
2 |
| Guehring KG | 57 |
2 |
| Gühring KG | 357 |
2 |
| MAG IAS GmbH | 80 |
2 |
| National Oilwell Varco, L.P. | 1683 |
2 |
| Safran Helicopter Engines | 763 |
2 |
| Sturm Maschinen- & Anlagenbau GmbH | 49 |
2 |
| Baublies AG | 13 |
2 |
| Knust-Godwin LLC | 2 |
2 |
| General Electric Company | 13827 |
1 |
| Pratt & Whitney Canada Corp. | 4817 |
1 |
| Other owners | 18 |