- 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 4/134 - Plasma spraying
Patent holdings for IPC class C23C 4/134
Total number of patents in this class: 728
10-year publication summary
41
|
107
|
115
|
121
|
133
|
82
|
83
|
85
|
65
|
20
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Rtx Corporation | 8674 |
79 |
Applied Materials, Inc. | 16587 |
40 |
General Electric Company | 18133 |
23 |
Oerlikon Metco (US) Inc. | 202 |
23 |
Shin-Etsu Chemical Co., Ltd. | 5132 |
19 |
Tokyo Electron Limited | 11599 |
17 |
Rolls-Royce Corporation | 1686 |
14 |
Siemens Energy Global GmbH & Co. KG | 2775 |
14 |
GE Infrastructure Technology, LLC | 5873 |
13 |
Rolls-Royce North American Technologies, Inc. | 1079 |
12 |
Safran Aircraft Engines | 5739 |
12 |
Tenneco Inc | 274 |
12 |
Siemens AG | 24990 |
11 |
Fujimi Incorporated | 676 |
10 |
Oerlikon Metco AG, Wohlen | 46 |
10 |
SAFRAN S.A. | 518 |
9 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
9 |
Sturm Maschinen- & Anlagenbau GmbH | 49 |
9 |
Bayerische Motoren Werke Aktiengesellschaft | 13126 |
7 |
Molecular Plasma Group SA | 33 |
7 |
Other owners | 378 |