- 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 35/52 - Shaped ceramic products characterised by their composition; Ceramic compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxides based on carbon, e.g. graphite
Patent holdings for IPC class C04B 35/52
Total number of patents in this class: 762
10-year publication summary
73
|
71
|
77
|
65
|
60
|
49
|
34
|
38
|
41
|
10
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Sumitomo Electric Industries, Ltd. | 14131 |
38 |
SGL Carbon SE | 388 |
27 |
Toyo Tanso Co., Ltd. | 227 |
26 |
Diamond Innovations, Inc. | 241 |
23 |
Baker Hughes Holdings LLC | 3060 |
21 |
Element Six Abrasives S.A. | 148 |
17 |
Element Six Limited | 123 |
13 |
Safran Ceramics | 366 |
13 |
Baker Hughes Incorporated | 5689 |
12 |
Sumitomo Electric Hardmetal Corp. | 969 |
12 |
Kaneka Corporation | 4445 |
12 |
Goodrich Corporation | 2081 |
11 |
Centre National de La Recherche Scientifique | 9632 |
8 |
The United States of America as represented by the Secretary of the Navy | 2734 |
8 |
US Synthetic Corporation | 601 |
8 |
Velo3D, Inc. | 143 |
8 |
PI Advanced Materials Co., Ltd. | 157 |
8 |
Smith International, Inc. | 761 |
7 |
Heraeus Quarzglas GmbH & Co. KG | 420 |
7 |
UT-Battelle, LLC | 1333 |
7 |
Other owners | 476 |