Patent holdings for IPC class C04B 35/56

Total number of patents in this class: 631

10-year publication summary

42
57
62
64
67
66
48
46
34
4
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Kennametal Inc.
1380
15
Pallidus, Inc.
33
15
Rtx Corporation
8674
15
HRL Laboratories, LLC
1588
14
Saint-Gobain Ceramics & Plastics, Inc.
812
12
Safran Ceramics
366
11
Sumitomo Electric Industries, Ltd.
14131
10
NGK Insulators, Ltd.
4589
10
Diamond Innovations, Inc.
241
10
Dynamic Material Systems LLC
36
9
Centre National de La Recherche Scientifique
9632
8
Velo3D, Inc.
143
8
Baker Hughes Holdings LLC
3060
8
Kyocera Corporation
12735
7
Commissariat à l'énergie atomique et aux energies alternatives
10525
7
Drexel University
951
7
Nippon Tungsten Co., Ltd.
46
7
Siemens AG
24990
6
NGK Spark Plug Co., Ltd.
935
6
Melior Innovations, Inc.
37
6
Other owners 440