- All sections
- C - Chemistrymetallurgy
- C23C - Coating metallic materialcoating material with metallic materialsurface treatment of metallic material by diffusion into the surface, by chemical conversion or substitutioncoating by vacuum evaporation, by sputtering, by ion implantation or by chemical vapour deposition, in general
- C23C 8/70 - Boronising of ferrous surfaces
Patent holdings for IPC class C23C 8/70
Total number of patents in this class: 28
10-year publication summary
|
0
|
2
|
6
|
1
|
1
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3
|
1
|
0
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0
|
2
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BWT LLC, DBA Bluewater Thermal Solutions | 5 |
5 |
| Andritz Iggesund Tools Inc. | 5 |
4 |
| Schaeffler Technologies AG & Co. KG | 9973 |
2 |
| China National Petroleum Corporation | 456 |
2 |
| Siemens AG | 24409 |
1 |
| Deere & Company | 7647 |
1 |
| Robert Bosch GmbH | 42813 |
1 |
| Siemens Corporation | 534 |
1 |
| Hamilton Sundstrand Corporation | 4907 |
1 |
| Siemens Energy, Inc. | 1706 |
1 |
| Siemens Industry, Inc. | 1468 |
1 |
| CNPC Tubular Goods Research Institute | 17 |
1 |
| CNPC USA Corp. | 161 |
1 |
| Frank's International, LLC | 239 |
1 |
| Sinvent AS | 93 |
1 |
| The University of Akron | 649 |
1 |
| Beijing Huamei, Inc. | 110 |
1 |
| Hydromecanique et Frottement | 113 |
1 |
| Lakshmi Ring Travellers (coimbatore) Private Limited | 1 |
1 |
| Other owners | 0 |