Rocket motor with dual embedded burnable cutting explosive energetic material
US-2026055746-A1 · Feb 26, 2026 · US
Subject matter not provided for in other groups of this subclass
Subject matter not provided for in other groups of this subclass · 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 | F02K99/00 |
| Official title | Subject matter not provided for in other groups of this subclass |
| Display label | Subject matter not provided for in other groups of this subclass |
| Total patents | 29 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 5 |
| 2019 | 3 |
| 2020 | 7 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 4 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Carbide-based fuel assembly for thermal propulsion applications
US-12249435-B2 · Mar 11, 2025 · US
Carbide-based fuel assembly for thermal propulsion applications
US-2023326618-A1 · Oct 12, 2023 · US
Carbide-based fuel assembly for thermal propulsion applications
US-2023317305-A1 · Oct 5, 2023 · US
Carbide-based fuel assembly for thermal propulsion applications
US-11728044-B2 · Aug 15, 2023 · US
Carbide-based fuel assembly for thermal propulsion applications
US-11710578-B2 · Jul 25, 2023 · US
Carbide-based fuel assembly for thermal propulsion applications
US-2022115149-A1 · Apr 14, 2022 · US
Carbide-based fuel assembly for thermal propulsion applications
US-2022115152-A1 · Apr 14, 2022 · US
Thruster control device and thruster control method
US-11299295-B2 · Apr 12, 2022 · US
Satellite with integral thrusters
US-11174048-B2 · Nov 16, 2021 · US
Method of replacing a fan module, engine core module, or fan case module in a gas turbine engine
US-10989145-B2 · Apr 27, 2021 · US
Vapor jet system enabling jetting for many seconds using multiple kinds of mutually insoluble liquid gases as fuel
US-10870502-B2 · Dec 22, 2020 · US
Auxiliary booster with optimised architecture
US-2020291898-A1 · Sep 17, 2020 · US
Engine driven by Sc02 cycle with independent shafts for combustion cycle elements and propulsion elements
US-10677195-B2 · Jun 9, 2020 · US
Variable block shaft for integrated drive generator
US-10670126-B2 · Jun 2, 2020 · US
Method of replacing a module
US-2020141313-A1 · May 7, 2020 · US
Optical heat exchanger and associated method
US-10641210-B2 · May 5, 2020 · US
Satellite with integral thrusters
US-2020024003-A1 · Jan 23, 2020 · US
Thruster control device and thruster control method
US-2019263541-A1 · Aug 29, 2019 · US
Variable block shaft for integrated drive generator
US-2019211910-A1 · Jul 11, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02K99/00?
- CPC F02K99/00 is the Cooperative Patent Classification code for “Subject matter not provided for in other groups of this subclass.”
- How many patents are filed under CPC F02K99/00 (Subject matter not provided for in other groups of this subclass)?
- Our database includes 29 publications tagged with this CPC code.
- Is patent activity under CPC F02K99/00 growing?
- Publication counts under this code: 4 in 2023 vs 1 in 2025 (latest complete years).