Patent holdings for IPC class C01B 13/34

Total number of patents in this class: 77

10-year publication summary

8
8
4
4
8
8
3
9
4
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
eJoule, Inc.
51
8
Ejoule International Limited
9
8
Evonik Operations GmbH
4404
7
Evonik Degussa GmbH
1346
6
L'OREAL, Société Anonyme
16527
2
BASF SE
21328
2
Shell Internationale Research Maatschappij B.V.
3387
2
Shell Oil Company
2068
2
Glatt Ingenieurtechnik GmbH
38
2
M. Technique Co., Ltd.
252
2
Oxford University Innovation Limited
1678
2
Technische Universitat Berlin
350
2
Technische Universität Dresden
551
2
BASF (China) Co., Ltd.
890
2
L' Oréal
5877
2
Fortum Battery Recycling Oy
9
2
FUJIFILM Corporation
30653
1
The United States of America as represented by the Secretary of the Navy
2866
1
Sandisk Technologies Inc.
5480
1
Amastan Technologies LLC
9
1
Other owners 20