- All sections
- C - Chemistry; metallurgy
- C09K - Materials for applications not otherwise provided for; applications of materials not otherwise provided for
- C09K 5/20 - Antifreeze additives therefor, e.g. for radiator liquids
Patent holdings for IPC class C09K 5/20
Total number of patents in this class: 259
10-year publication summary
|
11
|
21
|
29
|
33
|
18
|
27
|
25
|
13
|
17
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 19740 |
31 |
| Prestone Products Corporation | 133 |
25 |
| Toyota Motor Corporation | 28582 |
9 |
| Honeywell International Inc. | 13799 |
8 |
| Denso Corporation | 23338 |
7 |
| Tyco Fire Products LP | 831 |
7 |
| Chevron U.S.A. Inc. | 3774 |
6 |
| Kao Corporation | 4843 |
5 |
| Arteco N.V. | 30 |
5 |
| Kukdong Jeyen Company Limited | 11 |
5 |
| KD Finechem Co., Ltd. | 25 |
5 |
| Evans Cooling Systems, Inc. | 14 |
4 |
| Japan Chemical Industries Co., Ltd. | 7 |
4 |
| Sika Technology AG | 2650 |
4 |
| HRL Laboratories, LLC | 1588 |
3 |
| Kilfrost Group plc | 4 |
3 |
| Oy Granula AB Ltd | 29 |
3 |
| Rebound Technologies, Inc. | 27 |
3 |
| VGP Ipco, LLC | 172 |
3 |
| General Electric Company | 18133 |
2 |
| Other owners | 117 |