Pump system
US-2025134679-A1 · May 1, 2025 · US
having a vacuum reservoir chamber
having a vacuum reservoir chamber · 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 | A61F2002/807 |
| Official title | {having a vacuum reservoir chamber} |
| Display label | having a vacuum reservoir chamber |
| Total patents | 49 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 4 |
| 2017 | 4 |
| 2018 | 5 |
| 2019 | 7 |
| 2020 | 7 |
| 2021 | 5 |
| 2022 | 5 |
| 2023 | 2 |
| 2024 | 5 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Liner system and method for applying a liner system
US-2025120828-A1 · Apr 17, 2025 · US
Liner system and method for applying a liner system
US-12232986-B2 · Feb 25, 2025 · US
Pump system
US-12220329-B2 · Feb 11, 2025 · US
Prosthetic interface
US-2024335305-A1 · Oct 10, 2024 · US
Prosthetic interface
US-12036137-B2 · Jul 16, 2024 · US
Vacuum Pump Systems For Prosthetic Limbs And Methods Of Using The Same
US-2024180724-A1 · Jun 6, 2024 · US
Moisture permeable hydrogel composite materials
US-11987028-B2 · May 21, 2024 · US
Vacuum pump systems for prosthetic limbs and methods of using the same
US-11877938-B2 · Jan 23, 2024 · US
Prosthetic socket system
US-11793657-B2 · Oct 24, 2023 · US
Prosthetic liner and prosthetic shaft system comprising prosthetic liner and prosthetic shaft
US-11576796-B2 · Feb 14, 2023 · US
Pump system
US-2022273467-A1 · Sep 1, 2022 · US
Prosthetic interface
US-2022192848-A1 · Jun 23, 2022 · US
Pump system
US-11357647-B2 · Jun 14, 2022 · US
Breathable residual-limb socket system
US-11324612-B2 · May 10, 2022 · US
Prosthetic interface
US-11298249-B2 · Apr 12, 2022 · US
Heat and sweat management system
US-11202716-B2 · Dec 21, 2021 · US
Vacuum Pump Systems for Prosthetic Limbs and Methods of Using the Same
US-2021220154-A1 · Jul 22, 2021 · US
Breathable Residual-Limb Socket System
US-2021085493-A1 · Mar 25, 2021 · US
Prosthetic socket sealing system
US-10945865-B2 · Mar 16, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC A61F2002/807?
- CPC A61F2002/807 is the Cooperative Patent Classification code for “having a vacuum reservoir chamber.”
- How many patents are filed under CPC A61F2002/807 (having a vacuum reservoir chamber)?
- Our database includes 49 publications tagged with this CPC code.
- Is patent activity under CPC A61F2002/807 growing?
- Publication counts under this code: 5 in 2024 vs 4 in 2025 (latest complete years).