Cable handling bow for an overboarding system of a work platform
US-2025167529-A1 · May 22, 2025 · US
of chutes
of chutes · 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 | B63B27/28 |
| Official title | of chutes |
| Display label | of chutes |
| Total patents | 28 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 9 |
| 2017 | 5 |
| 2018 | 3 |
| 2019 | 4 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Transportation system
US-11772914-B2 · Oct 3, 2023 · US
Shock absorbing evacuation systems and methods
US-11440667-B2 · Sep 13, 2022 · US
Transportation system
US-2022106136-A1 · Apr 7, 2022 · US
Transportation system
US-2021253379-A1 · Aug 19, 2021 · US
Device for loading of bulk carriers and loading method
US-10737748-B2 · Aug 11, 2020 · US
Shock absorbing evacuation systems and methods
US-2020047893-A1 · Feb 13, 2020 · US
Shock absorbing evacuation system restraint
US-10486818-B2 · Nov 26, 2019 · US
Transportation system
US-2019300301-A1 · Oct 3, 2019 · US
Transportation system
US-10370204-B2 · Aug 6, 2019 · US
Device for loading of bulk carriers and loading method
US-2019002059-A1 · Jan 3, 2019 · US
Transportation system
US-10093493-B2 · Oct 9, 2018 · US
Shock absorbing evacuation system restraint
US-2018201381-A1 · Jul 19, 2018 · US
Telescoping evacuation slide
US-9957054-B2 · May 1, 2018 · US
Transportation system
US-9718630-B2 · Aug 1, 2017 · US
Variable length inflatable ramp launch and recovery system
US-9708035-B1 · Jul 18, 2017 · US
Cargo transporter loading assembly
US-9650113-B2 · May 16, 2017 · US
Transportation system
US-9604798-B2 · Mar 28, 2017 · US
Telescoping evacuation slide
US-2017029127-A1 · Feb 2, 2017 · US
Transportation system
US-9517901-B2 · Dec 13, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B63B27/28?
- CPC B63B27/28 is the Cooperative Patent Classification code for “of chutes.”
- How many patents are filed under CPC B63B27/28 (of chutes)?
- Our database includes 28 publications tagged with this CPC code.
- Is patent activity under CPC B63B27/28 growing?
- Publication counts under this code: 1 in 2023 vs 1 in 2025 (latest complete years).