Reusable upper stage rocket with aerospike engine
US-2025297586-A1 · Sep 25, 2025 · US
using auxiliary rocket nozzles
using auxiliary rocket nozzles · 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 | F02K9/88 |
| Official title | using auxiliary rocket nozzles |
| Display label | using auxiliary rocket nozzles |
| Total patents | 25 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 3 |
| 2017 | 4 |
| 2018 | 2 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 3 |
| 2023 | 4 |
| 2024 | 1 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Reusable upper stage rocket with aerospike engine
US-12421921-B2 · Sep 23, 2025 · US
Reusable upper stage rocket with aerospike engine
US-2025020090-A1 · Jan 16, 2025 · US
Reusable upper stage rocket with aerospike engine
US-11933249-B2 · Mar 19, 2024 · US
Ring-shaped booster rocket
US-11852103-B2 · Dec 26, 2023 · US
Ring-shaped booster rocket
US-11732677-B2 · Aug 22, 2023 · US
Reusable upper stage rocket with aerospike engine
US-2023211900-A1 · Jul 6, 2023 · US
System for placing a satellite in working orbit
US-11691764-B2 · Jul 4, 2023 · US
Ring-shaped booster rocket
US-2022268238-A1 · Aug 25, 2022 · US
Ring-shaped booster rocket
US-2022268240-A1 · Aug 25, 2022 · US
Chemical and cold gas propellant systems and methods
US-11346306-B1 · May 31, 2022 · US
System for placing a satellite in working orbit
US-2021070476-A1 · Mar 11, 2021 · US
Microfluidic homogeneous catalyzation systems and methods, and apparatuses incorporating same
US-10794332-B2 · Oct 6, 2020 · US
Deflector for a thrust flow powered vehicle and thrust flow powered vehicle with said deflector
US-10774785-B2 · Sep 15, 2020 · US
Integrated thruster
US-10662898-B2 · May 26, 2020 · US
Spring-assisted deployment of a pivotable rocket motor
US-10094646-B2 · Oct 9, 2018 · US
Integrated thruster
US-2018106218-A1 · Apr 19, 2018 · US
Severe weather agility thrusters, and associated systems and methods
US-2017349301-A1 · Dec 7, 2017 · US
Jet propulsion device and fuel supply method
US-9771897-B2 · Sep 26, 2017 · US
Microfluidic Homogeneous Catalyzation Systems and Methods, and Apparatuses Incorporating Same
US-2017138309-A1 · May 18, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02K9/88?
- CPC F02K9/88 is the Cooperative Patent Classification code for “using auxiliary rocket nozzles.”
- How many patents are filed under CPC F02K9/88 (using auxiliary rocket nozzles)?
- Our database includes 25 publications tagged with this CPC code.
- Is patent activity under CPC F02K9/88 growing?
- Publication counts under this code: 1 in 2024 vs 3 in 2025 (latest complete years).