Pump system
US-2019365546-A1 · Dec 5, 2019 · US
having an air valve
having an air valve · 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 | A61F2002/805 |
| Official title | {having an air valve} |
| Display label | having an air valve |
| Total patents | 98 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 15 |
| 2016 | 14 |
| 2017 | 9 |
| 2018 | 11 |
| 2019 | 13 |
| 2020 | 9 |
| 2021 | 7 |
| 2022 | 5 |
| 2023 | 7 |
| 2025 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Pump system
US-10413429-B2 · Sep 17, 2019 · US
Suspension liner system with seal
US-2019262147-A1 · Aug 29, 2019 · US
Prosthetic device, system and method for increasing vacuum attachment
US-10369018-B2 · Aug 6, 2019 · US
Suspension liner system with seal
US-10342682-B2 · Jul 9, 2019 · US
Liner for a prosthesis configured to evacuate a volume between the liner and a socket using a valve and pump chamber each positioned within the liner
US-10335295-B2 · Jul 2, 2019 · US
Adjustable seal system, seal component and method for using the same
US-2019159911-A1 · May 30, 2019 · US
Prosthetic socket system
US-2019125553-A1 · May 2, 2019 · US
Heat and sweat management system
US-2019117420-A1 · Apr 25, 2019 · US
Pump system for use with a prosthetic device
US-2019110909-A1 · Apr 18, 2019 · US
Prosthetic device, system and method for increasing vacuum attachment
US-2019015223-A1 · Jan 17, 2019 · US
Pump mechanism
US-2018296371-A1 · Oct 18, 2018 · US
Prosthetic device, system and method for increasing vacuum attachment
US-2018221176-A1 · Aug 9, 2018 · US
Pump mechanism
US-10028845-B2 · Jul 24, 2018 · US
Suspension liner system with seal
US-2018200083-A1 · Jul 19, 2018 · US
Prosthetic system
US-2018185176-A1 · Jul 5, 2018 · US
Prosthetic socket system
US-9993357-B2 · Jun 12, 2018 · US
Vacuum assisted suspension system
US-2018153715-A1 · Jun 7, 2018 · US
Prosthesis liner with suction cup and vacuum lock mechanism
US-9968469-B2 · May 15, 2018 · US
Prosthetic system for removing fluid or sweat from inside of a liner with first and second independently sealed volumes
US-9925072-B2 · Mar 27, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC A61F2002/805?
- CPC A61F2002/805 is the Cooperative Patent Classification code for “having an air valve.”
- How many patents are filed under CPC A61F2002/805 (having an air valve)?
- Our database includes 98 publications tagged with this CPC code.
- Is patent activity under CPC A61F2002/805 growing?
- Publication counts under this code: 7 in 2023 vs 8 in 2025 (latest complete years).