- All sections
- C - Chemistry; metallurgy
- C30B - Single-crystal growth; unidirectional solidification of eutectic material or unidirectional demixing of eutectoid material; refining by zone-melting of material; production of a homogeneous polycrystalline material with defined structure; single crystals or homogeneous polycrystalline material with defined structure; after-treatment of single crystals or a homogeneous polycrystalline material with defined structure; apparatus therefor
- C30B 29/52 - Alloys
Patent holdings for IPC class C30B 29/52
Total number of patents in this class: 291
10-year publication summary
|
35
|
36
|
26
|
21
|
19
|
28
|
24
|
28
|
22
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 8674 |
28 |
| ASM IP Holding B.V. | 1715 |
17 |
| General Electric Company | 18133 |
15 |
| Applied Materials, Inc. | 16587 |
10 |
| Safran Aircraft Engines | 5739 |
9 |
| Centre National de La Recherche Scientifique | 9632 |
6 |
| Cannon-Muskegon Corporation | 47 |
6 |
| GE Infrastructure Technology, LLC | 5873 |
6 |
| Siemens AG | 24990 |
5 |
| Sumitomo Metal Mining Co., Ltd. | 1670 |
5 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
4 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
4 |
| Forschungszentrum Julich GmbH | 604 |
4 |
| United States of America AS represented by The Administrator of NASA | 364 |
4 |
| SAFRAN S.A. | 518 |
3 |
| Tokyo Electron Limited | 11599 |
3 |
| Rolls-Royce PLC | 2944 |
3 |
| Siemens Energy, Inc. | 1770 |
3 |
| National Institute of Advanced Industrial Science and Technology | 3677 |
3 |
| Georgia Tech Research Corporation | 2453 |
3 |
| Other owners | 150 |