Patent holdings for IPC class C10B 57/04

Total number of patents in this class: 335

10-year publication summary

16
21
15
12
12
21
25
26
22
12
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
JFE Steel Corporation
6849
77
Saudi Arabian Oil Company
13224
37
SunCoke Technology and Development LLC
238
12
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
2869
11
ExxonMobil Chemical Patents Inc.
3977
9
Aramco Services Company
3987
8
Nippon Steel Corporation
6274
8
ExxonMobil Research And Engineering Company
2570
7
JX Nippon Oil & Energy Corporation
999
5
CHZ Technologies, LLC
17
5
ARQ IP Limited
44
5
Chevron U.S.A. Inc.
3967
4
Indian Oil Corporation Limited
335
4
SABIC Global Technologies B.V.
4351
4
Tata Steel Limited
174
4
AMEC Foster Wheeler USA Corporation
22
4
Curtiss-Wright Flow Control Corporation
47
3
Dorf Ketal Chemicals (India) Private Limited
74
3
GrafTech International Holdings Inc.
112
3
Nippon Oil Corporation
284
3
Other owners 119