Patent holdings for IPC class C04B 35/56

Total number of patents in this class: 673

10-year publication summary

58
60
62
60
66
49
44
33
35
33
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Kennametal Inc.
1378
19
Pallidus, Inc.
36
19
Rtx Corporation
9601
16
HRL Laboratories, LLC
1610
14
Saint-Gobain Ceramics & Plastics, Inc.
823
13
NGK Insulators, Ltd.
5146
11
Safran Ceramics
420
11
Sumitomo Electric Industries, Ltd.
15789
10
Kyocera Corporation
14091
10
Drexel University
1012
9
Dynamic Material Systems LLC
38
9
Baker Hughes Holdings LLC
3002
9
Diamond Innovations, Inc.
236
8
Velo3D, Inc.
150
8
Centre National de La Recherche Scientifique
10706
7
Commissariat à l'énergie atomique et aux energies alternatives
10954
7
Siemens AG
24333
6
NGK Spark Plug Co., Ltd.
888
6
Sandvik Intellectual Property AB
1456
6
Tungaloy Corporation
520
6
Other owners 469