B21K 3/02
Cylinder heads
Official title: cylinder heads
B21K3/02 (Cylinder heads) appears on 2 US grants and 3 published applications in this corpus.
Search patents in B21K- Granted patents
- 2
- Published applications
- 3
- Assignees
- 3
- Inventors
- 11
- Latest grant
- 19 May 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2017 | 0 | 2 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 1 | 0 |
By publication year.
Recent patents
- Cylinder, method for finishing a cylinder, reciprocating piston system and use of a reciprocating piston system4 Apr 2019US 2019/0101078 A1Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e. V.
- Manufacturing method for cylinder head27 Jul 2017US 2017/0209915 A1Toyota Jidosha Kabushiki Kaisha
- Manufacturing method for cylinder head27 Jul 2017US 2017/0209916 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents