- All sections
- C - Chemistrymetallurgy
- C10M - Lubricating compositionsuse of chemical substances either alone or as lubricating ingredients in a lubricating composition
- C10M 133/44 - Five-membered ring containing nitrogen and carbon only
Patent holdings for IPC class C10M 133/44
Total number of patents in this class: 239
10-year publication summary
|
25
|
22
|
29
|
16
|
12
|
12
|
15
|
8
|
9
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Lubrizol Corporation | 1277 |
41 |
| Idemitsu Kosan Co., Ltd. | 4223 |
22 |
| Afton Chemical Corporation | 487 |
19 |
| Chevron Oronite Company LLC | 593 |
18 |
| Chevron Japan Ltd. | 100 |
13 |
| Infineum International Limited | 417 |
13 |
| ENEOS Corporation | 659 |
8 |
| Vanderbilt Chemicals, LLC | 143 |
7 |
| BASF SE | 21151 |
6 |
| ExxonMobil Research And Engineering Company | 2496 |
5 |
| Chevron U.S.A. Inc. | 4071 |
4 |
| Innospec Limited | 378 |
4 |
| Clariant Finance (BVI) Limited | 378 |
3 |
| Fuchs Petrolub SE | 36 |
3 |
| Kluber Lubrication Munchen KG | 15 |
3 |
| Kyodo Yushi Co., Ltd. | 250 |
3 |
| Phillips 66 Company | 1054 |
3 |
| JXTG Nippon Oil & Energy Corporation | 323 |
3 |
| Totalenergies Onetech | 1478 |
3 |
| Toyota Motor Corporation | 34094 |
2 |
| Other owners | 56 |