Antenna system, communication device, and communication system
US-12597692-B2 · Apr 7, 2026 · US
already existing for a prior purpose
already existing for a prior purpose · 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 | F05B2240/911 |
| Official title | already existing for a prior purpose |
| Display label | already existing for a prior purpose |
| Total patents | 31 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 5 |
| 2019 | 5 |
| 2020 | 2 |
| 2021 | 1 |
| 2024 | 4 |
| 2025 | 8 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Vertiport including wind power generation system
US-12492680-B2 · Dec 9, 2025 · US
Mounting equipment on wind turbine structures
US-2025314242-A1 · Oct 9, 2025 · US
Wind Power Generation Structure and Method for Vertiport
US-2025305482-A1 · Oct 2, 2025 · US
Vertiport having wind generator, and method for landing aircraft using the same
US-12391404-B2 · Aug 19, 2025 · US
Vertiport having wind generator, and method for landing aircraft using the same
US-2025214715-A1 · Jul 3, 2025 · US
Vertiport including wind power generation system
US-2025198384-A1 · Jun 19, 2025 · US
Antenna system, communication device, and communication system
US-2025007143-A1 · Jan 2, 2025 · US
Communication apparatus and base station antenna feeder system
US-2025007150-A1 · Jan 2, 2025 · US
Well structure adaptations and connections for reusable oil and gas structures
US-2024352820-A1 · Oct 24, 2024 · US
Wind power generation system, method of using wind power generation apparatus, and building in which wind power generation apparatus is installed
US-2024309844-A1 · Sep 19, 2024 · US
Wind energy based cooling system for storage container
US-11999558-B1 · Jun 4, 2024 · US
Method for installing wind power generator and wind power generation system
US-2024175425-A1 · May 30, 2024 · US
Power generating system using current around structural body
US-10920746-B2 · Feb 16, 2021 · US
Mobile communication device control of multiple umbrellas
US-10641004-B2 · May 5, 2020 · US
A wind turbine with a cable supporting structure
US-2020088168-A1 · Mar 19, 2020 · US
Umbrella including wireless communication hub
US-2019360231-A1 · Nov 28, 2019 · US
Mobile communication device control of multiple umbrellas
US-2019360230-A1 · Nov 28, 2019 · US
Intelligent umbrella including wireless communication hub
US-10323433-B2 · Jun 18, 2019 · US
Mobile communication device control of multiple umbrellas
US-10316542-B2 · Jun 11, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F05B2240/911?
- CPC F05B2240/911 is the Cooperative Patent Classification code for “already existing for a prior purpose.”
- How many patents are filed under CPC F05B2240/911 (already existing for a prior purpose)?
- Our database includes 31 publications tagged with this CPC code.
- Is patent activity under CPC F05B2240/911 growing?
- Publication counts under this code: 4 in 2024 vs 8 in 2025 (latest complete years).