F01L 2009/4084
Cold start
Official title: {Cold start}
F01L2009/4084 (Cold start) appears on 4 US grants and 3 published applications in this corpus.
Search patents in F01L- Granted patents
- 4
- Published applications
- 3
- Assignees
- 4
- Inventors
- 9
- Latest grant
- 22 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 2 | 0 |
| 2024 | 1 | 1 |
By publication year.
Recent patents
- Active method for cold start emissions reduction22 Oct 2024US 12,123,369 B2Hyundai Motor Company
- Internal combustion engine system11 Jul 2023US 11,698,040 B1Toyota Jidosha Kabushiki Kaisha
- Engine control apparatus28 Feb 2023US 11,591,938 B2Toyota Jidosha Kabushiki Kaisha
- Controller of variable valve apparatus of internal combustion engine and variable valve system of internal combustion engine20 Dec 2016US 9,523,295 B2Hitachi Automotive Systems, Ltd.
- Active method for cold start emissions reduction8 Aug 2024US 2024/0263597 A1Hyundai Motor Company
- Engine control apparatus6 Oct 2022US 2022/0316368 A1Toyota Jidosha Kabushiki Kaisha
- Controller of variable valve apparatus of internal combustion engine and variable valve system of internal combustion engine19 Mar 2015US 2015/0075475 A1Hitachi Automotive Systems, Ltd.
Most cited
By later US patents