- All sections
- C - Chemistrymetallurgy
- C10G - Cracking hydrocarbon oilsproduction of liquid hydrocarbon mixtures, e.g. by destructive hydrogenation, oligomerisation, polymerisationrecovery of hydrocarbon oils from oil-shale, oil-sand, or gasesrefining mixtures mainly consisting of hydrocarbonsreforming of naphthamineral waxes
- C10G 65/14 - Treatment of hydrocarbon oils by two or more hydrotreatment processes only plural parallel stages only
Patent holdings for IPC class C10G 65/14
Total number of patents in this class: 179
10-year publication summary
|
4
|
9
|
4
|
5
|
6
|
10
|
12
|
10
|
5
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 12997 |
20 |
| Uop LLC | 4239 |
13 |
| ENI S.p.A. | 1256 |
9 |
| Cosmo Oil Co., Ltd. | 207 |
8 |
| Inpex Corporation | 162 |
8 |
| Japan Oil, Gas and Metals National Corporation | 211 |
8 |
| Japan Petroleum Exploration Co., Ltd. | 164 |
8 |
| Topsoe A/S | 891 |
8 |
| ExxonMobil Research And Engineering Company | 2582 |
7 |
| Chevron U.S.A. Inc. | 3945 |
7 |
| JX Nippon Oil & Energy Corporation | 999 |
6 |
| Shell Internationale Research Maatschappij B.V. | 3551 |
5 |
| Lummus Technology Inc. | 306 |
4 |
| Nippon Oil Corporation | 285 |
4 |
| Nippon Steel Engineering Co., Ltd. | 205 |
4 |
| Nippon Steel & Sumikin Engineering Co., Ltd. | 184 |
4 |
| SABIC Global Technologies B.V. | 4330 |
4 |
| Haldor Topsøe A/S | 659 |
4 |
| Shell Oil Company | 2141 |
3 |
| China Petroleum & Chemical Corporation | 1889 |
3 |
| Other owners | 42 |