Patent holdings for IPC class C23F 11/00

Total number of patents in this class: 629

10-year publication summary

47
39
30
32
29
16
18
11
19
9
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Ecolab USA Inc.
5480
34
Sumitomo Wiring Systems, Ltd.
10351
28
AutoNetworks Technologies, Ltd.
6587
27
Sumitomo Electric Industries, Ltd.
15483
26
Kyushu University, National University Corporation
1657
18
Baker Hughes Incorporated
5247
11
ChemTreat, Inc.
226
11
The United States of America as represented by the Secretary of the Navy
2745
7
Henkel AG & Co. KGaA
10572
7
The Furukawa Electric Co., Ltd.
3650
7
JX Nippon Oil & Energy Corporation
999
7
Saudi Arabian Oil Company
13155
7
Championx USA Inc.
183
7
BASF SE
20933
6
Nitto Denko Corporation
8231
6
Idemitsu Kosan Co., Ltd.
4219
6
BL Technologies, Inc.
834
6
Nihon Parkerizing Co., Ltd.
288
6
Northern Technologies International Corporation
91
6
Nippon Steel Corporation
6238
5
Other owners 391