- All sections
- C - Chemistrymetallurgy
- C10N - Indexing scheme associated with subclass
- C10N 40/08 - Hydraulic fluids, e.g. brake-fluids
Patent holdings for IPC class C10N 40/08
Total number of patents in this class: 602
10-year publication summary
|
27
|
33
|
53
|
34
|
33
|
37
|
45
|
38
|
53
|
22
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Idemitsu Kosan Co., Ltd. | 4299 |
104 |
| The Lubrizol Corporation | 1265 |
35 |
| JX Nippon Oil & Energy Corporation | 978 |
26 |
| Shell Internationale Research Maatschappij B.V. | 3377 |
19 |
| SANYO Chemical Industries, Ltd. | 531 |
17 |
| Dow Global Technologies LLC | 11090 |
16 |
| NOK Corporation | 2351 |
13 |
| BASF SE | 21334 |
12 |
| FUJIFILM Corporation | 30849 |
12 |
| Chevron Oronite Company LLC | 607 |
12 |
| Afton Chemical Corporation | 499 |
12 |
| JXTG Nippon Oil & Energy Corporation | 323 |
12 |
| Evonik Operations GmbH | 4447 |
11 |
| Mitsui Chemicals, Inc. | 3288 |
9 |
| ENEOS Corporation | 726 |
9 |
| Adeka Corporation | 1388 |
8 |
| Clariant International Ltd. | 893 |
8 |
| Totalenergies Onetech | 1557 |
7 |
| Shell Oil Company | 2053 |
6 |
| ExxonMobil Chemical Patents Inc. | 3759 |
6 |
| Other owners | 248 |