Removal of immunoglobulins and leukocytes from biological fluids
US-2017368477-A1 · Dec 28, 2017 · US
by absorption (A61M1/3675 takes precedence)
by absorption (A61M1/3675 takes precedence) · 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 | A61M1/3679 |
| Official title | {by absorption (A61M1/3675 takes precedence)} |
| Display label | by absorption (A61M1/3675 takes precedence) |
| Total patents | 306 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 27 |
| 2016 | 17 |
| 2017 | 24 |
| 2018 | 25 |
| 2019 | 31 |
| 2020 | 37 |
| 2021 | 38 |
| 2022 | 35 |
| 2023 | 25 |
| 2024 | 23 |
| 2025 | 22 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method For Treating A Biological Fluid
US-2017340802-A1 · Nov 30, 2017 · US
Porous fibers, adsorbent material, and purification column
US-2017333871-A1 · Nov 23, 2017 · US
Sorbent and chemical regeneration of dialysate
US-9821103-B2 · Nov 21, 2017 · US
Plasma generation with dialysis systems
US-9814822-B2 · Nov 14, 2017 · US
Sorbent cartridge to measure solute concentrations
US-2017312415-A1 · Nov 2, 2017 · US
Carrier for blood component adsorption and blood component adsorption column
US-9802178-B2 · Oct 31, 2017 · US
System for removal of pro-inflammatory mediators as well as granulocytes and monocytes from blood
US-2017266362-A1 · Sep 21, 2017 · US
Airtrap, system and method for removing microbubbles from a fluid stream
US-2017232173-A1 · Aug 17, 2017 · US
Centrifuge for separating a sample into at least two components
US-9714945-B2 · Jul 25, 2017 · US
Sorbent cartridge to measure solute concentrations
US-9707328-B2 · Jul 18, 2017 · US
Adsorbent for removing histone and purification device for liquid derived from living organism
US-2017173231-A1 · Jun 22, 2017 · US
Blood component separation system and separation material
US-9649424-B2 · May 16, 2017 · US
Fluid processing device
US-9636446-B2 · May 2, 2017 · US
Self-contained disposable tubing set for sterile preparation of cells by culturing, centrifugation, and column chromatography
US-2017107480-A1 · Apr 20, 2017 · US
System for separating a cell sample by centrifugation and column chromatography while maintaining sterility
US-9625463-B2 · Apr 18, 2017 · US
Method for suppressing surgical site infection and column to be used for the method
US-9526735-B2 · Dec 27, 2016 · US
Cell treatment device, cell treatment cartridge and body fluid treatment system
US-9526823-B2 · Dec 27, 2016 · US
Selective cytopheresis devices and related methods thereof
US-9498566-B2 · Nov 22, 2016 · US
Contrast agent removing device and contrast agent removing method
US-2016310658-A1 · Oct 27, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC A61M1/3679?
- CPC A61M1/3679 is the Cooperative Patent Classification code for “by absorption (A61M1/3675 takes precedence).”
- How many patents are filed under CPC A61M1/3679 (by absorption (A61M1/3675 takes precedence))?
- Our database includes 306 publications tagged with this CPC code.
- Is patent activity under CPC A61M1/3679 growing?
- Publication counts under this code: 23 in 2024 vs 22 in 2025 (latest complete years).