Thrust augmentation of an additively manufactured hybrid rocket system using secondary oxidizer injection
US-11408376-B2 · Aug 9, 2022 · US
made from sheet-like materials, e.g. of carpet-roll type, of layered structure · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F02K9/14 |
| Official title | made from sheet-like materials, e.g. of carpet-roll type, of layered structure |
| Display label | made from sheet-like materials, e.g. of carpet-roll type, of layered structure |
| Total patents | 13 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 4 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11408376-B2 · Aug 9, 2022 · US
US-10934973-B2 · Mar 2, 2021 · US
US-2020370513-A1 · Nov 26, 2020 · US
US-10731604-B2 · Aug 4, 2020 · US
US-10385806-B2 · Aug 20, 2019 · US
US-2019145349-A1 · May 16, 2019 · US
US-10072613-B2 · Sep 11, 2018 · US
US-2018223770-A1 · Aug 9, 2018 · US
US-10023505-B2 · Jul 17, 2018 · US
US-2018094606-A1 · Apr 5, 2018 · US
US-2017253537-A1 · Sep 7, 2017 · US
US-9429104-B2 · Aug 30, 2016 · US
US-2016245233-A1 · Aug 25, 2016 · US