Method and system for leak detection at a particulate filter
US-2020300148-A1 · Sep 24, 2020 · US
Computerised or programmable systems
Computerised or programmable systems · 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 | B01D2201/54 |
| Official title | Computerised or programmable systems |
| Display label | Computerised or programmable systems |
| Total patents | 158 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 10 |
| 2017 | 12 |
| 2018 | 11 |
| 2019 | 23 |
| 2020 | 20 |
| 2021 | 17 |
| 2022 | 15 |
| 2023 | 20 |
| 2024 | 15 |
| 2025 | 12 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Automated fluid handling system
US-2020200785-A1 · Jun 25, 2020 · US
Fluid quality monitoring and filtration system
US-10688422-B2 · Jun 23, 2020 · US
Electrical connector and wire harness assembly with compression contacts
US-2020091638-A1 · Mar 19, 2020 · US
Appliance water filter system having memory and authentication functionality
US-2019381431-A1 · Dec 19, 2019 · US
Filtration monitoring system data transmission
US-2019374889-A1 · Dec 12, 2019 · US
Ballast water production method and ballast water treatment system
US-10500527-B2 · Dec 10, 2019 · US
Fluid quality monitoring and filtration system
US-2019366246-A1 · Dec 5, 2019 · US
Smart wireless fuel system monitor integrated into a fuel filter assembly t-handle
US-2019358567-A1 · Nov 28, 2019 · US
Fluid quality monitoring and filtration system
US-10478762-B2 · Nov 19, 2019 · US
Pool cleaning robot having a filtering unit and a sensor
US-10458139-B2 · Oct 29, 2019 · US
Water purifier
US-2019299163-A1 · Oct 3, 2019 · US
Appliance water filter system having memory and authentication functionality
US-10406461-B2 · Sep 10, 2019 · US
Dynamic demulsification system for use in a gas-oil separation plant
US-10350515-B2 · Jul 16, 2019 · US
Application based water drain feature for fuel water separators and/or natural gas filters
US-2019168140-A1 · Jun 6, 2019 · US
Point-of-use water treatment system
US-2019144299-A1 · May 16, 2019 · US
Filter including RFID tag
US-10286343-B2 · May 14, 2019 · US
Electronic Filter Detection Feature for Liquid Filtration Systems
US-2019120157-A1 · Apr 25, 2019 · US
Filter system including integrated diagnostics
US-2019083909-A1 · Mar 21, 2019 · US
Disposable filter including an integrated sensor assembly
US-2019083912-A1 · Mar 21, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D2201/54?
- CPC B01D2201/54 is the Cooperative Patent Classification code for “Computerised or programmable systems.”
- How many patents are filed under CPC B01D2201/54 (Computerised or programmable systems)?
- Our database includes 158 publications tagged with this CPC code.
- Is patent activity under CPC B01D2201/54 growing?
- Publication counts under this code: 15 in 2024 vs 12 in 2025 (latest complete years).