Elevator system
US-12545554-B2 · Feb 10, 2026 · US
in the machine room
in the machine room · 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 | B66B11/004 |
| Official title | {in the machine room} |
| Display label | in the machine room |
| Total patents | 36 |
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 | 2 |
| 2016 | 1 |
| 2017 | 5 |
| 2018 | 3 |
| 2019 | 4 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 5 |
| 2023 | 5 |
| 2024 | 2 |
| 2025 | 1 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Construction elevator device
US-12522475-B2 · Jan 13, 2026 · US
Method of assembling an elevator and an elevator
US-2025033933-A1 · Jan 30, 2025 · US
Elevator construction arrangement and a method
US-2024417220-A1 · Dec 19, 2024 · US
Fastening apparatus for fastening a drive of an elevator system
US-11970362-B2 · Apr 30, 2024 · US
Method for modernizing elevator system
US-11834298-B2 · Dec 5, 2023 · US
Elevator system and supporting column assembly thereof
US-11673774-B2 · Jun 13, 2023 · US
Construction Elevator Device
US-2023174346-A1 · Jun 8, 2023 · US
Fastening apparatus for fastening a drive of an elevator system
US-2023111475-A1 · Apr 13, 2023 · US
Elevator system
US-2023019416-A1 · Jan 19, 2023 · US
Method for modernizing elevator system
US-2022388814-A1 · Dec 8, 2022 · US
Method for modernizing elevator system
US-11414303-B2 · Aug 16, 2022 · US
Low cost roped jump lift concept
US-11396442-B2 · Jul 26, 2022 · US
Retrofitting an elevator machine with primary and secondary braking
US-11377323-B2 · Jul 5, 2022 · US
Elevator system and supporting column assembly thereof
US-2022048737-A1 · Feb 17, 2022 · US
Low cost roped jump lift concept
US-2021347610-A1 · Nov 11, 2021 · US
Method for modernizing elevator system
US-2021331898-A1 · Oct 28, 2021 · US
Deflector sheave bracket for offset bedplate
US-10941020-B2 · Mar 9, 2021 · US
Traction geared machine for elevator
US-10850945-B2 · Dec 1, 2020 · US
Retrofitting an elevator machine with primary and secondary braking
US-2020207580-A1 · Jul 2, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B66B11/004?
- CPC B66B11/004 is the Cooperative Patent Classification code for “in the machine room.”
- How many patents are filed under CPC B66B11/004 (in the machine room)?
- Our database includes 36 publications tagged with this CPC code.
- Is patent activity under CPC B66B11/004 growing?
- Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).