Dual stage catalytic thruster
US-2018135559-A1 · May 17, 2018 · US
Liquid propellant rocket engines (Ion or plasma engines B64G1/413; Arcjets and other resistojets B64G1/415)
Liquid propellant rocket engines (Ion or plasma engines B64G1/413; Arcjets and other resistojets B64G1/415) · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B64G1/401 |
| Official title | {Liquid propellant rocket engines (Ion or plasma engines B64G1/413; Arcjets and other resistojets B64G1/415)} |
| Display label | Liquid propellant rocket engines (Ion or plasma engines B64G1/413; Arcjets and other resistojets B64G1/415) |
| Total patents | 200 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 15 |
| 2016 | 27 |
| 2017 | 16 |
| 2018 | 20 |
| 2019 | 23 |
| 2020 | 20 |
| 2021 | 21 |
| 2022 | 11 |
| 2023 | 13 |
| 2024 | 22 |
| 2025 | 9 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Combustion chamber and method for the production of a combustion chamber
US-2018010552-A1 · Jan 11, 2018 · US
Liquid storage tanks and systems and propulsion systems for space vehicles and related methods
US-2017283096-A1 · Oct 5, 2017 · US
Control surfaces for use with high speed vehicles, and associated systems and methods
US-2017267380-A1 · Sep 21, 2017 · US
Lightweight plenum system for spacecraft application
US-2017248972-A1 · Aug 31, 2017 · US
Method and system for evaluating a flow rate of a fluid
US-2017205266-A1 · Jul 20, 2017 · US
Turbine pump assembly with vacuum purged centrifugal impeller shrouds
US-2017204863-A1 · Jul 20, 2017 · US
Determining parameters of an electrospray system
US-2017173606-A1 · Jun 22, 2017 · US
Multi-stage space launch systems with reusable thrust augmentation and associated methods
US-9676498-B1 · Jun 13, 2017 · US
Microelectronic thermal valve
US-2017159847-A1 · Jun 8, 2017 · US
Multi-stage space launch systems with reusable thrust augmentation and associated methods
US-2017144780-A1 · May 25, 2017 · US
Microfluidic Homogeneous Catalyzation Systems and Methods, and Apparatuses Incorporating Same
US-2017138309-A1 · May 18, 2017 · US
Engine for a spacecraft, and spacecraft comprising such an engine
US-2017088293-A1 · Mar 30, 2017 · US
Vapor jet system enabling jetting for many seconds using multiple kinds of mutually insoluble liquid gases as fuel
US-2017073089-A1 · Mar 16, 2017 · US
Feed system and a method of suppressing the pogo effect
US-2017058836-A1 · Mar 2, 2017 · US
Control surfaces for use with high speed vehicles, and associated systems and methods
US-9580191-B2 · Feb 28, 2017 · US
System, apparatus, and method for active debris removal
US-9555905-B2 · Jan 31, 2017 · US
Mirrors Transparent to Specific Regions of the Electromagnetic Spectrum
US-2017025992-A1 · Jan 26, 2017 · US
Large-Scale Space-Based Solar Power Station: Packaging, Deployment and Stabilization of Lightweight Structures
US-2016376037-A1 · Dec 29, 2016 · US
Large-Scale Space-Based Solar Power Station: Power Transmission Using Steerable Beams
US-2016380486-A1 · Dec 29, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B64G1/401?
- CPC B64G1/401 is the Cooperative Patent Classification code for “Liquid propellant rocket engines (Ion or plasma engines B64G1/413; Arcjets and other resistojets B64G1/415).”
- How many patents are filed under CPC B64G1/401 (Liquid propellant rocket engines (Ion or plasma engines B64G1/413; Arcjets and other resistojets B64G1/415))?
- Our database includes 200 publications tagged with this CPC code.
- Is patent activity under CPC B64G1/401 growing?
- Publication counts under this code: 22 in 2024 vs 9 in 2025 (latest complete years).