- All sections
- C - Chemistry; metallurgy
- C23C - Coating metallic material; coating material with metallic material; surface treatment of metallic material by diffusion into the surface, by chemical conversion or substitution; coating by vacuum evaporation, by sputtering, by ion implantation or by chemical vapour deposition, in general
- C23C 4/00 - Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
Patent holdings for IPC class C23C 4/00
Total number of patents in this class: 275
10-year publication summary
33
|
16
|
18
|
12
|
18
|
16
|
8
|
13
|
14
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Siemens AG | 24990 |
21 |
General Electric Company | 18133 |
14 |
Rtx Corporation | 8674 |
10 |
MTU Aero Engines GmbH | 565 |
8 |
Oerlikon Metco (US) Inc. | 202 |
8 |
Rolls-Royce North American Technologies, Inc. | 1079 |
8 |
GE Infrastructure Technology, LLC | 5873 |
6 |
Applied Materials, Inc. | 16587 |
5 |
Siemens Energy, Inc. | 1770 |
5 |
Bayerische Motoren Werke Aktiengesellschaft | 13126 |
4 |
Industrie de Nora S.p.A. | 274 |
4 |
Westinghouse Electric Company LLC | 1087 |
4 |
GM Global Technology Operations LLC | 13620 |
3 |
Fabrisonic LLC | 20 |
3 |
MAHLE International GmbH | 2670 |
3 |
LM Group Holdings, Inc. | 3 |
3 |
DDP Specialty Electronic Materials US, LLC | 442 |
3 |
The Regents of the University of California | 18943 |
2 |
The Boeing Company | 19843 |
2 |
Honeywell International Inc. | 13799 |
2 |
Other owners | 157 |