- 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 41/50 - Coating or impregnating with inorganic materials
Patent holdings for IPC class C04B 41/50
Total number of patents in this class: 1197
10-year publication summary
|
91
|
105
|
97
|
120
|
137
|
112
|
128
|
94
|
95
|
33
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 8674 |
55 |
| General Electric Company | 18133 |
52 |
| Rolls-Royce Corporation | 1686 |
36 |
| Corning Incorporated | 9932 |
33 |
| Goodrich Corporation | 2081 |
27 |
| Applied Materials, Inc. | 16587 |
24 |
| NGK Insulators, Ltd. | 4589 |
22 |
| Quantumscape Battery, Inc. | 168 |
21 |
| Rolls-Royce High Temperature Composites, Inc. | 129 |
20 |
| Honeywell International Inc. | 13799 |
17 |
| Safran Ceramics | 366 |
13 |
| Saint-Gobain Centre de Recherches et d'Etudes Europeen | 475 |
13 |
| United States Gypsum Company | 1019 |
12 |
| 3m Innovative Properties Company | 18406 |
11 |
| Ibiden Co., Ltd. | 1724 |
11 |
| Microban Products Company | 313 |
11 |
| Toto Ltd. | 1096 |
11 |
| Tungaloy Corporation | 481 |
11 |
| Straumann Holding AG | 507 |
10 |
| Solventum Intellectual Properties Company | 2681 |
10 |
| Other owners | 777 |