- All sections
- C - Chemistry; metallurgy
- C10G - Cracking hydrocarbon oils; production of liquid hydrocarbon mixtures, e.g. by destructive hydrogenation, oligomerisation, polymerisation; recovery of hydrocarbon oils from oil-shale, oil-sand, or gases; refining mixtures mainly consisting of hydrocarbons; reforming of naphtha; mineral waxes
- C10G 65/12 - Treatment of hydrocarbon oils by two or more hydrotreatment processes only plural serial stages only including cracking steps and other hydrotreatment steps
Patent holdings for IPC class C10G 65/12
Total number of patents in this class: 923
10-year publication summary
|
84
|
61
|
70
|
55
|
79
|
68
|
77
|
63
|
54
|
25
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 11322 |
121 |
| ExxonMobil Research And Engineering Company | 2830 |
97 |
| IFP Energies Nouvelles | 2717 |
85 |
| Uop LLC | 4083 |
70 |
| Chevron U.S.A. Inc. | 3774 |
38 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
35 |
| Neste Oyj | 686 |
23 |
| Aramco Services Company | 3504 |
21 |
| SABIC Global Technologies B.V. | 4044 |
21 |
| Shell Oil Company | 2196 |
20 |
| Topsoe A/S | 732 |
18 |
| Chevron Lummus Global, LLC | 23 |
15 |
| ENI S.p.A. | 1241 |
15 |
| Lummus Technology LLC | 365 |
15 |
| Shell USA, Inc. | 1074 |
15 |
| Refining Technology Solutions, LLC | 36 |
14 |
| ExxonMobil Technology and Engineering Company | 676 |
14 |
| Lummus Technology Inc. | 322 |
12 |
| Saudi Aramco Technologies Company | 107 |
11 |
| Haldor Topsøe A/S | 698 |
11 |
| Other owners | 252 |