Techniques for dialysis based on relative blood volume
US-12594366-B2 · Apr 7, 2026 · US
Volume control, e.g. with open or flexible containers, by counting the number of pump revolutions, weighing
Volume control, e.g. with open or flexible containers, by counting the number of pump revolutions, weighing · 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 | A61M1/308 |
| Official title | {Volume control, e.g. with open or flexible containers, by counting the number of pump revolutions, weighing} |
| Display label | Volume control, e.g. with open or flexible containers, by counting the number of pump revolutions, weighing |
| Total patents | 47 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 9 |
| 2017 | 5 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 6 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 7 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Combined extracorporeal and drug delivery system and method
US-2026027272-A1 · Jan 29, 2026 · US
Combined extracorporeal and drug delivery system and method
US-12427235-B2 · Sep 30, 2025 · US
Container for fluids and apparatus for temperature control, e.g. warming, of medical fluids
US-2025281682-A1 · Sep 11, 2025 · US
Red blood cells for drug delivery
US-12397096-B2 · Aug 26, 2025 · US
System and methods for automatic dilution of whole blood to increase plasma clarity
US-12390573-B2 · Aug 19, 2025 · US
Non-intrusive flow sensor
US-2025198823-A1 · Jun 19, 2025 · US
Container for fluids and apparatus for temperature control, e.g. warming, of medical fluids
US-12318520-B2 · Jun 3, 2025 · US
Non-intrusive flow sensor
US-12259268-B2 · Mar 25, 2025 · US
Container for fluids and apparatus for temperature control, e.g. warming, of medical fluids
US-2024042111-A1 · Feb 8, 2024 · US
Methods and systems for providing red blood cell products with reduced plasma
US-11864553-B2 · Jan 9, 2024 · US
Container for fluids and apparatus for temperature control, e.g. warming, of medical fluids
US-11786646-B2 · Oct 17, 2023 · US
Separating composite liquids
US-11692170-B2 · Jul 4, 2023 · US
Non-intrusive flow sensor
US-2022347364-A1 · Nov 3, 2022 · US
Measuring fluid flow associated with a dialysis machine
US-11452801-B2 · Sep 27, 2022 · US
Red blood cells for drug delivery
US-2022257844-A1 · Aug 18, 2022 · US
Combined extracorporeal and drug delivery system and method
US-2021170084-A1 · Jun 10, 2021 · US
Measuring fluid flow associated with a dialysis machine
US-2021128809-A1 · May 6, 2021 · US
System and methods for automatic dilution of whole blood to increase plasma clarity
US-2021052805-A1 · Feb 25, 2021 · US
Separating Composite Liquids
US-2020325446-A1 · Oct 15, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC A61M1/308?
- CPC A61M1/308 is the Cooperative Patent Classification code for “Volume control, e.g. with open or flexible containers, by counting the number of pump revolutions, weighing.”
- How many patents are filed under CPC A61M1/308 (Volume control, e.g. with open or flexible containers, by counting the number of pump revolutions, weighing)?
- Our database includes 47 publications tagged with this CPC code.
- Is patent activity under CPC A61M1/308 growing?
- Publication counts under this code: 2 in 2024 vs 7 in 2025 (latest complete years).