- All sections
- C - Chemistrymetallurgy
- C10M - Lubricating compositionsuse of chemical substances either alone or as lubricating ingredients in a lubricating composition
- C10M 175/00 - Working-up used lubricants to recover useful products
Patent holdings for IPC class C10M 175/00
Total number of patents in this class: 253
10-year publication summary
|
12
|
20
|
19
|
20
|
13
|
11
|
17
|
13
|
32
|
18
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Totalenergies Onetech | 1534 |
18 |
| ExxonMobil Research And Engineering Company | 2433 |
10 |
| SKF Recondoil AB | 21 |
7 |
| ExxonMobil Technology and Engineering Company | 1345 |
7 |
| Alfa Laval Corporate AB | 1336 |
6 |
| The Lubrizol Corporation | 1250 |
5 |
| The Chemours Company Fc, LLC | 1334 |
4 |
| China University of Petroleum (East China) | 417 |
4 |
| SMS Group GmbH | 1193 |
4 |
| Itelyum Regeneration S.p.A. | 23 |
4 |
| SK on Co., Ltd. | 2360 |
4 |
| Dow Global Technologies LLC | 10919 |
3 |
| Chevron U.S.A. Inc. | 4134 |
3 |
| Idemitsu Kosan Co., Ltd. | 4228 |
3 |
| Castrol Limited | 513 |
3 |
| citizen Watch Co., Ltd. | 1086 |
3 |
| HYDAC Filter Systems GmbH | 36 |
3 |
| OTG Research, LLC | 5 |
3 |
| MEMC Singapore Pte. Ltd. | 27 |
3 |
| Speira GmbH | 130 |
3 |
| Other owners | 153 |