- All sections
- C - Chemistry; metallurgy
- C10N - Indexing scheme associated with subclass
- C10N 40/26 - Two-stroke
Patent holdings for IPC class C10N 40/26
Total number of patents in this class: 79
10-year publication summary
|
1
|
2
|
4
|
10
|
6
|
4
|
3
|
2
|
3
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Lubrizol Corporation | 1335 |
29 |
| ExxonMobil Research And Engineering Company | 2830 |
7 |
| Mitsui Chemicals, Inc. | 3134 |
5 |
| Total Marketing Services | 487 |
5 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
3 |
| Chevron U.S.A. Inc. | 3774 |
3 |
| Chevron Oronite Company LLC | 551 |
3 |
| Total Raffinage Marketing | 154 |
3 |
| Totalenergies Onetech | 536 |
3 |
| Afton Chemical Corporation | 468 |
2 |
| Totalenergies Onetech (previously Totalenergies One Tech) | 323 |
2 |
| Shell Oil Company | 2196 |
1 |
| Dow Global Technologies LLC | 10147 |
1 |
| Idemitsu Kosan Co., Ltd. | 3995 |
1 |
| BP p.l.c. | 498 |
1 |
| Castrol Limited | 520 |
1 |
| Chevron Oronite Technology B.V. | 66 |
1 |
| Chevron Oronite Technology B.V. | 7 |
1 |
| Keio University | 1053 |
1 |
| LUKOIL Marine Lubricants Germany GmbH | 3 |
1 |
| Other owners | 5 |