Energy storage and delivery system with an elevator lift system and method of operating the same
US-12571376-B2 · Mar 10, 2026 · US
constructed to operate at successively higher levels
constructed to operate at successively higher levels · 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 | B66C23/28 |
| Official title | constructed to operate at successively higher levels |
| Display label | constructed to operate at successively higher levels |
| Total patents | 39 |
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 | 1 |
| 2016 | 4 |
| 2018 | 1 |
| 2020 | 9 |
| 2021 | 5 |
| 2022 | 3 |
| 2023 | 7 |
| 2024 | 6 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Energy storage and delivery system and method
US-12345239-B2 · Jul 1, 2025 · US
Energy storage system and method
US-2025163896-A1 · May 22, 2025 · US
Energy storage and delivery system and method
US-2024426281-A1 · Dec 26, 2024 · US
Energy storage and delivery system with an elevator lift system and method of operating the same
US-2024418154-A1 · Dec 19, 2024 · US
Energy storage system and method
US-12049874-B2 · Jul 30, 2024 · US
Energy storage and delivery system and method
US-12037989-B2 · Jul 16, 2024 · US
Energy storage and delivery system with an elevator lift system and method of operating the same
US-11920569-B2 · Mar 5, 2024 · US
Energy storage and delivery system and method
US-2024035451-A1 · Feb 1, 2024 · US
Top-loading tower crane systems and associated methods
US-2023322529-A1 · Oct 12, 2023 · US
Elevator cage for energy storage and delivery system
US-11761431-B2 · Sep 19, 2023 · US
Energy storage and delivery method
US-11746758-B2 · Sep 5, 2023 · US
Energy storage and delivery system and method
US-11719229-B2 · Aug 8, 2023 · US
Energy storage and delivery system with an elevator lift system and method of operating the same
US-2023151799-A1 · May 18, 2023 · US
Energy storage and delivery system
US-11585328-B2 · Feb 21, 2023 · US
Method of operating an energy storage system with an elevator lift system
US-11555484-B2 · Jan 17, 2023 · US
Energy storage system with elevator lift system
US-11525437-B2 · Dec 13, 2022 · US
Method of operating an energy storage system with an elevator lift system
US-2022333577-A1 · Oct 20, 2022 · US
Energy storage system with elevator lift system
US-2022243701-A1 · Aug 4, 2022 · US
Energy storage and delivery system and method
US-2021404448-A1 · Dec 30, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B66C23/28?
- CPC B66C23/28 is the Cooperative Patent Classification code for “constructed to operate at successively higher levels.”
- How many patents are filed under CPC B66C23/28 (constructed to operate at successively higher levels)?
- Our database includes 39 publications tagged with this CPC code.
- Is patent activity under CPC B66C23/28 growing?
- Publication counts under this code: 6 in 2024 vs 2 in 2025 (latest complete years).