Method for creating an elevator shaft of an elevator system
US-12522476-B2 · Jan 13, 2026 · US
Lift shafts
Lift shafts · Cooperative Patent Classification (CPC)
Building, mining, and civil engineering structures.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | E04F17/005 |
| Official title | {Lift shafts} |
| Display label | Lift shafts |
| Total patents | 34 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 3 |
| 2020 | 4 |
| 2021 | 3 |
| 2022 | 4 |
| 2023 | 4 |
| 2024 | 10 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Elevator car and construction-time elevator arrangement and method
US-12312212-B2 · May 27, 2025 · US
Multi-stage detection trigger for human sensing
US-2024409364-A1 · Dec 12, 2024 · US
Monitoring of elevator pit tie-down and compensation
US-2024409362-A1 · Dec 12, 2024 · US
Elevator pit ladder safety net system
US-2024409363-A1 · Dec 12, 2024 · US
Elevator system including pit safety interface
US-2024409368-A1 · Dec 12, 2024 · US
Alignment guide of sensor assembly for person detection
US-2024409365-A1 · Dec 12, 2024 · US
Method for creating an elevator shaft of an elevator system
US-2024391738-A1 · Nov 28, 2024 · US
Method for constructing elevator and elevator
US-12043522-B2 · Jul 23, 2024 · US
Elevator system including sensor assembly for person detection
US-11999591-B1 · Jun 4, 2024 · US
Elevator pit monitoring and integrity check of monitoring system
US-11964848-B1 · Apr 23, 2024 · US
Elevator pit safety net system
US-11912534-B1 · Feb 27, 2024 · US
Elevator pit safety net system
US-11851305-B1 · Dec 26, 2023 · US
Modular elevator assembly and rail
US-11780706-B2 · Oct 10, 2023 · US
Elevator trench drain
US-2023265664-A1 · Aug 24, 2023 · US
Elevator trench drain
US-11674320-B2 · Jun 13, 2023 · US
Elevator safety system, method for collision protection in an elevator system, and elevator system
US-2022106163-A1 · Apr 7, 2022 · US
Multicar elevator system
US-2022073314-A1 · Mar 10, 2022 · US
Modular elevator assembly and rail
US-2022055862-A1 · Feb 24, 2022 · US
Method for constructing elevator and elevator
US-2022024723-A1 · Jan 27, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC E04F17/005?
- CPC E04F17/005 is the Cooperative Patent Classification code for “Lift shafts.”
- How many patents are filed under CPC E04F17/005 (Lift shafts)?
- Our database includes 34 publications tagged with this CPC code.
- Is patent activity under CPC E04F17/005 growing?
- Publication counts under this code: 10 in 2024 vs 1 in 2025 (latest complete years).