- All sections
- C - Chemistry; metallurgy
- C04B - Lime; magnesia; slag; cements; compositions thereof, e.g. mortars, concrete or like building materials; artificial stone; ceramics; refractories; treatment of natural stone
- C04B 35/628 - Coating the powders
Patent holdings for IPC class C04B 35/628
Total number of patents in this class: 1160
10-year publication summary
61
|
84
|
92
|
141
|
120
|
99
|
95
|
73
|
98
|
36
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Safran Ceramics | 366 |
94 |
Rtx Corporation | 8674 |
80 |
Centre National de La Recherche Scientifique | 9632 |
47 |
Rolls-Royce Corporation | 1686 |
40 |
Rolls-Royce High Temperature Composites, Inc. | 129 |
35 |
General Electric Company | 18133 |
28 |
Goodrich Corporation | 2081 |
21 |
Universite de Bordeaux | 778 |
20 |
3m Innovative Properties Company | 18406 |
19 |
Herakles | 169 |
13 |
Saint-Gobain Ceramics & Plastics, Inc. | 812 |
10 |
Siemens AG | 24990 |
9 |
Samsung Electro-mechanics Co., Ltd. | 4798 |
9 |
Free Form Fibers, LLC | 38 |
9 |
Fujimi Incorporated | 676 |
9 |
Safran Aircraft Engines | 5739 |
9 |
Applied Materials, Inc. | 16587 |
8 |
Element Six Abrasives S.A. | 148 |
8 |
HRL Laboratories, LLC | 1588 |
8 |
Sumitomo Electric Hardmetal Corp. | 969 |
7 |
Other owners | 677 |