- All sections
- C - Chemistry; metallurgy
- C10M - Lubricating compositions; use 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: 228
10-year publication summary
|
17
|
29
|
32
|
23
|
34
|
17
|
15
|
16
|
16
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Lubrizol Corporation | 1335 |
43 |
| Afton Chemical Corporation | 468 |
20 |
| Idemitsu Kosan Co., Ltd. | 3995 |
18 |
| Chevron Oronite Company LLC | 551 |
16 |
| Infineum International Limited | 340 |
12 |
| Chevron Japan Ltd. | 83 |
10 |
| Vanderbilt Chemicals, LLC | 147 |
7 |
| ENEOS Corporation | 611 |
6 |
| ExxonMobil Research And Engineering Company | 2830 |
5 |
| BASF SE | 19740 |
4 |
| Chevron U.S.A. Inc. | 3774 |
4 |
| Chevron Oronite Technology B.V. | 66 |
4 |
| Innospec Limited | 308 |
4 |
| Clariant Finance (BVI) Limited | 427 |
3 |
| Fuchs Petrolub SE | 61 |
3 |
| Kluber Lubrication Munchen KG | 15 |
3 |
| Kyodo Yushi Co., Ltd. | 224 |
3 |
| Phillips 66 Company | 1073 |
3 |
| JXTG Nippon Oil & Energy Corporation | 325 |
3 |
| 3m Innovative Properties Company | 18406 |
2 |
| Other owners | 55 |