- 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 4/04 - Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
Patent holdings for IPC class C23C 4/04
Total number of patents in this class: 436
10-year publication summary
33
|
33
|
33
|
34
|
26
|
24
|
32
|
27
|
23
|
7
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Fujimi Incorporated | 676 |
19 |
General Electric Company | 18133 |
16 |
Rtx Corporation | 8674 |
16 |
United Technologies Corporation | 2328 |
11 |
Rolls-Royce North American Technologies, Inc. | 1079 |
11 |
Nippon Yttrium Co., Ltd. | 31 |
10 |
Tocalo Co., Ltd. | 94 |
10 |
Applied Materials, Inc. | 16587 |
9 |
Tokyo Electron Limited | 11599 |
9 |
Shin-Etsu Chemical Co., Ltd. | 5132 |
9 |
Hewlett-Packard Development Company, L.P. | 28538 |
8 |
Rolls-Royce Corporation | 1686 |
8 |
The Boeing Company | 19843 |
7 |
MTU Aero Engines GmbH | 565 |
7 |
Oerlikon Metco (US) Inc. | 202 |
7 |
GE Infrastructure Technology, LLC | 5873 |
7 |
Safran Aircraft Engines | 5739 |
6 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
5 |
Komico Ltd. | 50 |
5 |
Bayerische Motoren Werke Aktiengesellschaft | 13126 |
4 |
Other owners | 252 |