Centrifuge
US-2025288735-A1 · Sep 18, 2025 · US
without inserted separating walls
without inserted separating walls · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B04B1/02 |
| Official title | without inserted separating walls |
| Display label | without inserted separating walls |
| Total patents | 38 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 5 |
| 2021 | 3 |
| 2022 | 5 |
| 2023 | 3 |
| 2024 | 5 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Centrifuge
US-12337097-B2 · Jun 24, 2025 · US
Grinding water treatment device for eyeglasses lens processing
US-12304836-B2 · May 20, 2025 · US
Adipose tissue processing device
US-2024367181-A1 · Nov 7, 2024 · US
Continuous centrifugal isolating system and methods of use thereof
US-2024307892-A1 · Sep 19, 2024 · US
Centrifuge
US-2024148953-A1 · May 9, 2024 · US
Cell washing chamber for blood processing centrifuge
US-11964286-B2 · Apr 23, 2024 · US
Methods of separating materials by use of a centrifugal contactor
US-11865476-B2 · Jan 9, 2024 · US
Centrifugal contactor including central dynamic examination device
US-11717769-B2 · Aug 8, 2023 · US
Centrifugal contractor including central dynamic examination device
US-2023201743-A1 · Jun 29, 2023 · US
Centrifugal field-flow fractionation device including arc-shaped channel member
US-2023201842-A1 · Jun 29, 2023 · US
Centrifugal field-flow fractionation device having a restricting member to prevent deformation of an intermediate layer
US-11433404-B2 · Sep 6, 2022 · US
Centrifugal field-flow fractionation device
US-11389806-B2 · Jul 19, 2022 · US
Grinding water treatment device for eyeglasses lens processing
US-2022220011-A1 · Jul 14, 2022 · US
Centrifugal Contactor Including Central Dynamic Examination Device
US-2022040596-A1 · Feb 10, 2022 · US
Centrifuge
US-2022031925-A1 · Feb 3, 2022 · US
Method for producing aqueous pigment dispersion
US-2021387149-A1 · Dec 16, 2021 · US
Centrifugal field-flow fractionation device
US-11192120-B2 · Dec 7, 2021 · US
Centrifuge
US-11167292-B2 · Nov 9, 2021 · US
Cell Washing Chamber for Blood Processing Centrifuge
US-2020324301-A1 · Oct 15, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B04B1/02?
- CPC B04B1/02 is the Cooperative Patent Classification code for “without inserted separating walls.”
- How many patents are filed under CPC B04B1/02 (without inserted separating walls)?
- Our database includes 38 publications tagged with this CPC code.
- Is patent activity under CPC B04B1/02 growing?
- Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).