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
4443
7
Evonik Degussa GmbH
1343
6
L'OREAL, Société Anonyme
16617
2
BASF SE
21334
2
Shell Internationale Research Maatschappij B.V.
3378
2
Shell Oil Company
2054
2
Glatt Ingenieurtechnik GmbH
38
2
M. Technique Co., Ltd.
253
2
Oxford University Innovation Limited
1687
2
Technische Universitat Berlin
350
2
Technische Universität Dresden
549
2
BASF (China) Co., Ltd.
892
2
L' Oréal
5901
2
Fortum Battery Recycling Oy
9
2
FUJIFILM Corporation
30808
1
The United States of America as represented by the Secretary of the Navy
2862
1
Sandisk Technologies Inc.
5516
1
Amastan Technologies LLC
9
1
Other owners 20