Pine Engineering Ltd.
Changwon-si, Gyeongsangnam-Do, KR· latest recorded location
Pine Engineering Ltd. is named on 5 US grants and 5 published applications in this corpus. Its most frequent classification is F01L (Cyclically operating valves for machines or engines).
- Granted patents
- 5
- Published applications
- 5
- Inventors
- 10
- Granted in 2026 so far
- 0
- Most recent grant
- 11 Aug 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2017 | 0 | 5 |
| 2018 | 1 | 0 |
| 2019 | 2 | 0 |
| 2020 | 2 | 0 |
By publication year.
Technology areas
Share of 10 documents
Recent patents
- Locking structure of valve timing adjustment apparatus for internal combustion engine11 Aug 2020US 10,738,663 B2
- Valve timing adjustment apparatus for internal combustion engine21 Jul 2020US 10,718,239 B2
- Apparatus and method of adjusting valve timing for internal combustion engine2 Apr 2019US 10,247,058 B2
- Oil drain structure of valve timing adjusting device for internal combustion engine8 Jan 2019US 10,174,647 B2
- Control valve for valve timing adjusting device of internal combustion engine27 Nov 2018US 10,138,765 B2
- Control valve for valve timing adjusting device of internal combustion engine10 Aug 2017US 2017/0226902 A1
- Apparatus and method of adjusting valve timing for internal combustion engine27 Jul 2017US 2017/0211432 A1
- Oil drain structure of valve timing adjusting device for internal combustion engine20 Jul 2017US 2017/0204749 A1
- Valve timing adjustment apparatus for internal combustion engine29 Jun 2017US 2017/0183985 A1
- Locking structure of valve timing adjustment apparatus for internal combustion engine29 Jun 2017US 2017/0183986 A1
Most cited
By later US patents