Multi-stage propellant systems, assemblies, and methods
US-11884408-B2 · Jan 30, 2024 · US
of the internal-burning type having a star or like shaped internal cavity
of the internal-burning type having a star or like shaped internal cavity · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F02K9/18 |
| Official title | of the internal-burning type having a star or like shaped internal cavity |
| Display label | of the internal-burning type having a star or like shaped internal cavity |
| Total patents | 25 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 5 |
| 2019 | 3 |
| 2020 | 5 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Propulsion system with single initiator for multiple rocket motors
US-11852104-B2 · Dec 26, 2023 · US
Multi-stage propellant systems, assemblies, and methods
US-2023166851-A1 · Jun 1, 2023 · US
Propulsion system with single initiator for multiple rocket motors
US-2023073547-A1 · Mar 9, 2023 · US
2-pulse gas generator and method of measuring propellant combustion surface position
US-11326557-B2 · May 10, 2022 · US
In-situ solid rocket motor propellant grain aging using gas
US-11204307-B2 · Dec 21, 2021 · US
In-situ solid rocket motor propellant grain aging using pnuematically actuated bladder
US-11137328-B2 · Oct 5, 2021 · US
Solid rocket motor with vortex inducing feature
US-10883448-B2 · Jan 5, 2021 · US
Solid Rocket Motor Propellant Manufacture and Configurations
US-2020377428-A1 · Dec 3, 2020 · US
In-situ solid rocket motor propellant grain aging using pnuematically actuated bladder
US-2020333222-A1 · Oct 22, 2020 · US
In-situ solid rocket motor propellant grain aging using gas
US-2020333224-A1 · Oct 22, 2020 · US
Rocket motor with concentric propellant structures for shock mitigation
US-10731604-B2 · Aug 4, 2020 · US
2-pulse gas generator and method of measuring propellant combustion surface position
US-2020025152-A1 · Jan 23, 2020 · US
Aerospike rocket motor assembly
US-10378483-B2 · Aug 13, 2019 · US
Rocket motor with energetic grain having region with energetic disposed therein
US-10337457-B2 · Jul 2, 2019 · US
Two-pulse gas generator and operation method thereof
US-10247139-B2 · Apr 2, 2019 · US
Three-pulse gas generator and operation method thereof
US-10006408-B2 · Jun 26, 2018 · US
Rocket motor with energetic grain having region with energetic disposed therein
US-2018156158-A1 · Jun 7, 2018 · US
Solid rocket motor with barrier
US-2018142646-A1 · May 24, 2018 · US
Solid rocket motor with vortex inducing feature
US-2018112627-A1 · Apr 26, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02K9/18?
- CPC F02K9/18 is the Cooperative Patent Classification code for “of the internal-burning type having a star or like shaped internal cavity.”
- How many patents are filed under CPC F02K9/18 (of the internal-burning type having a star or like shaped internal cavity)?
- Our database includes 25 publications tagged with this CPC code.
- Is patent activity under CPC F02K9/18 growing?
- Publication counts under this code: 3 in 2023 vs 1 in 2024 (latest complete years).