Supply system for a vehicle connected to a platform
US-12539965-B2 · Feb 3, 2026 · US
Captive balloons
Captive balloons · 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 | B64B1/50 |
| Official title | Captive balloons |
| Display label | Captive balloons |
| Total patents | 52 |
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 | 5 |
| 2016 | 3 |
| 2017 | 4 |
| 2018 | 6 |
| 2019 | 3 |
| 2020 | 9 |
| 2021 | 8 |
| 2022 | 4 |
| 2023 | 5 |
| 2024 | 1 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Floating unit for lifting a bendable connection element and supply system for a floating unit
US-12415595-B2 · Sep 16, 2025 · US
Automatic airborne remote area emergency system
US-2025266899-A1 · Aug 21, 2025 · US
Control method of aero wind power generation device
US-12338801-B2 · Jun 24, 2025 · US
Surveillance system and method
US-2024417054-A1 · Dec 19, 2024 · US
Floating Unit for Lifting a Bendable Connection Element and Supply System for a Floating Unit
US-2023331366-A1 · Oct 19, 2023 · US
Supply System for a Vehicle Connected to a Platform
US-2023331409-A1 · Oct 19, 2023 · US
High-place observation device including an extendable rod-shaped body and a detachable rotorcraft
US-11774832-B2 · Oct 3, 2023 · US
Control method of aero wind power generation device
US-2023250805-A1 · Aug 10, 2023 · US
High-place observation device including a gas balloon and a detachable rotorcraft
US-2023014788-A1 · Jan 19, 2023 · US
High-place observation device including a gas balloon and a detachable rotorcraft
US-11487189-B2 · Nov 1, 2022 · US
Systems, methods and devices for determining lift heights for launching unmanned aerial vehicles
US-11420729-B2 · Aug 23, 2022 · US
Lighter-than-air (LTA) Vehicle Health and Lifetime Estimation
US-2022207929-A1 · Jun 30, 2022 · US
System, control device and light aircraft
US-11214386-B2 · Jan 4, 2022 · US
Low-cost, long-term aerial imagery
US-11153535-B2 · Oct 19, 2021 · US
Environmental detection systems and methods for high altitude platforms
US-2021242931-A1 · Aug 5, 2021 · US
Launch and/or recovery for unmanned aircraft and/or other payloads, including via parachute-assist, and associated systems and methods
US-11066185-B2 · Jul 20, 2021 · US
High-Place Observation Device
US-2021149279-A1 · May 20, 2021 · US
Systems, methods, and devices for package delivery using unmanned aerial vehicles
US-11008101-B2 · May 18, 2021 · US
System, control device and light aircraft
US-2021078730-A1 · Mar 18, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B64B1/50?
- CPC B64B1/50 is the Cooperative Patent Classification code for “Captive balloons.”
- How many patents are filed under CPC B64B1/50 (Captive balloons)?
- Our database includes 52 publications tagged with this CPC code.
- Is patent activity under CPC B64B1/50 growing?
- Publication counts under this code: 1 in 2024 vs 3 in 2025 (latest complete years).