Self-growing heart valves
US-2026069441-A1 · Mar 12, 2026 · US
circumferentially expandable by using ratcheting locks
circumferentially expandable by using ratcheting locks · Cooperative Patent Classification (CPC)
Agriculture, food, personal care, health, and life sciences.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | A61F2/93 |
| Official title | circumferentially expandable by using ratcheting locks |
| Display label | circumferentially expandable by using ratcheting locks |
| Total patents | 57 |
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 | 3 |
| 2017 | 5 |
| 2018 | 10 |
| 2019 | 4 |
| 2020 | 10 |
| 2021 | 3 |
| 2022 | 5 |
| 2023 | 9 |
| 2024 | 4 |
| 2025 | 1 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Device for anastomotic bypass
US-12551328-B2 · Feb 17, 2026 · US
Mechanically expandable prosthetic device
US-2025177129-A1 · Jun 5, 2025 · US
Adjustable endolumenal implant for reshaping the mitral valve annulus
US-2024299152-A1 · Sep 12, 2024 · US
Adjustable endolumenal implant for reshaping the mitral valve annulus
US-12023235-B2 · Jul 2, 2024 · US
Esophageal atresia bridge device and methods of treating esophageal atresia
US-12016765-B2 · Jun 25, 2024 · US
In vivo adjustment mechanism and associated systems and methods
US-2024139004-A1 · May 2, 2024 · US
In vivo adjustment mechanism and associated systems and methods
US-11806261-B2 · Nov 7, 2023 · US
Method for mechanically distending a luminal organ
US-2023301767-A1 · Sep 28, 2023 · US
Mechanically expandable prosthetic device
US-2023285144-A1 · Sep 14, 2023 · US
Device for anastomotic bypass
US-2023277294-A1 · Sep 7, 2023 · US
Device for anastomotic bypass
US-11678970-B2 · Jun 20, 2023 · US
Expandable stent with collapse inhibiting features
US-2023172735-A1 · Jun 8, 2023 · US
Radially self-expanding stents
US-2023149193-A1 · May 18, 2023 · US
Radially self-expanding stents
US-11559415-B2 · Jan 24, 2023 · US
Implantable medical device with cavitation features
US-2023000649-A1 · Jan 5, 2023 · US
Radially self-expanding stents
US-2022323245-A1 · Oct 13, 2022 · US
Implantable medical device with cavitation features
US-11464658-B2 · Oct 11, 2022 · US
Esophageal atresia bridge device
US-2022226098-A1 · Jul 21, 2022 · US
Esophageal atresia bridge device
US-11389286-B2 · Jul 19, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC A61F2/93?
- CPC A61F2/93 is the Cooperative Patent Classification code for “circumferentially expandable by using ratcheting locks.”
- How many patents are filed under CPC A61F2/93 (circumferentially expandable by using ratcheting locks)?
- Our database includes 57 publications tagged with this CPC code.
- Is patent activity under CPC A61F2/93 growing?
- Publication counts under this code: 4 in 2024 vs 1 in 2025 (latest complete years).