Patent holdings for IPC class C04B 35/18

Total number of patents in this class: 317

10-year publication summary

23
30
36
18
21
10
16
12
13
3
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Safran Ceramics
437
17
Corning Incorporated
10463
12
Safran Aircraft Engines
6576
11
NGK Insulators, Ltd.
5223
10
SAFRAN S.A.
644
9
Ibiden Co., Ltd.
1665
9
Centre National de La Recherche Scientifique
10914
7
Calderys France
57
7
Nippon Electric Glass Co., Ltd.
2516
6
Saint-Gobain Centre de Recherches et d'Etudes Europeen
492
6
Vecor IP Holdings Limited
29
6
Massachusetts Institute of Technology
10204
5
CARBO Ceramics Inc.
176
5
Refractory Intellectual Property GmbH & Co. KG
561
5
General Electric Company
13822
4
Nichias Corporation
401
4
Safran Nacelles
778
4
Siemens AG
24132
3
Murata Manufacturing Co., Ltd.
25590
3
Johnson Matthey Public Limited Company
1761
3
Other owners 181