- All sections
- C - Chemistry; metallurgy
- C10M - Lubricating compositions; use of chemical substances either alone or as lubricating ingredients in a lubricating composition
- C10M 149/14 - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds a condensation reaction being involved
Patent holdings for IPC class C10M 149/14
Total number of patents in this class: 85
10-year publication summary
|
4
|
4
|
3
|
6
|
8
|
2
|
5
|
5
|
4
|
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 |
14 |
| NTN Corporation | 5008 |
7 |
| Hitachi Astemo, Ltd. | 5618 |
7 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
4 |
| Chevron Oronite Company LLC | 551 |
4 |
| Idemitsu Kosan Co., Ltd. | 3995 |
3 |
| BASF SE | 19740 |
2 |
| JTEKT Corporation | 2423 |
2 |
| NSK Ltd. | 2719 |
2 |
| Afton Chemical Corporation | 468 |
2 |
| Aktiebolaget SKF | 2700 |
2 |
| Castrol Limited | 520 |
2 |
| Hydro-Quebec | 637 |
2 |
| Kyodo Yushi Co., Ltd. | 224 |
2 |
| Nanotech Industrial Solutions Inc. | 25 |
2 |
| Nihon Parkerizing Co., Ltd. | 274 |
2 |
| Nouryon Chemicals International B.V. | 508 |
2 |
| Hitachi Automotive Systems, Ltd. | 3970 |
1 |
| FUJIFILM Corporation | 27102 |
1 |
| Shell Oil Company | 2196 |
1 |
| Other owners | 21 |