Patent holdings for IPC class C10K 3/04

Total number of patents in this class: 439

10-year publication summary

34
35
25
17
14
18
19
26
25
19
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Saudi Arabian Oil Company
13263
32
ExxonMobil Research And Engineering Company
2568
17
Mitsubishi Heavy Industries, Ltd.
8764
15
PCL Administration LLC
19
15
Shell Internationale Research Maatschappij B.V.
3549
13
Shell Oil Company
2138
10
GreatPoint Energy, Inc.
68
10
8 Rivers Capital, LLC
235
9
Battelle Memorial Institute
2494
8
Shell USA, Inc.
1227
8
Johnson Matthey Public Limited Company
1866
7
Velocys Technologies Limited
76
7
Haldor Topsøe A/S
660
7
Kellogg Brown & Root LLC
514
6
Air Products and Chemicals, Inc.
1443
5
Aramco Services Company
3993
5
Fluor Technologies Corporation
375
5
Neste Oyj
789
5
Topsoe A/S
903
5
Uop LLC
4240
4
Other owners 246