Water separator element comprising water detection electrodes
US-10150068-B2 · Dec 11, 2018 · US
Operations & Transport
Operations & Transport · 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 | B01D36/005 |
| Official title | — |
| Display label | Operations & Transport (mapped technology topic) |
| Total patents | 153 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 25 |
| 2017 | 21 |
| 2018 | 17 |
| 2019 | 18 |
| 2020 | 20 |
| 2021 | 15 |
| 2022 | 10 |
| 2023 | 9 |
| 2024 | 5 |
| 2025 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Water level sensor device for a fuel filter
US-10150069-B2 · Dec 11, 2018 · US
System and method for improving fuel quality
US-2018348191-A1 · Dec 6, 2018 · US
Water level sensor device for a fuel filter
US-2018243671-A1 · Aug 30, 2018 · US
No Filter No Run Fluid Filtration System
US-2018221797-A1 · Aug 9, 2018 · US
Fuel Filter
US-2018209387-A1 · Jul 26, 2018 · US
Multi-conductor water in fuel sensor for fill rate detection
US-10031098-B2 · Jul 24, 2018 · US
Installation of correct filter cartridge in fluid filter assembly before allowing assembly to be completed
US-10016711-B2 · Jul 10, 2018 · US
Liquid Filter for Separating Water and/or Particle Filtration of a Fuel and/or Aqueous Solution, in Particular a Urea Solution, and/or Water
US-2017342945-A1 · Nov 30, 2017 · US
Auto drain system for vacuum side fuel water separators
US-2017335812-A1 · Nov 23, 2017 · US
Drain Control Device for a Filter System as well as Filter System with a Drain Control Device
US-2017312669-A1 · Nov 2, 2017 · US
Drain Control Device for a Filter System as well as Filter System with a Drain Control Device
US-2017312668-A1 · Nov 2, 2017 · US
Fuel filter device
US-2017304749-A1 · Oct 26, 2017 · US
Integrated smart fuel filtration system
US-2017298881-A1 · Oct 19, 2017 · US
Flow cap and filter assembly including flow cap
US-9789426-B2 · Oct 17, 2017 · US
Filter Element Having Projecting Bayonet-Type Protrusion
US-2017252684-A1 · Sep 7, 2017 · US
Clean-Side Water-Separating Filter Element Having Bayonet Connection, and Fuel Filter Having a Filter Element of This Type
US-2017252683-A1 · Sep 7, 2017 · US
Filter cartridge and filter group with water sensor fixed to the filter core
US-9731236-B2 · Aug 15, 2017 · US
Fuel water separator having filter and sensor
US-9724628-B2 · Aug 8, 2017 · US
Water separator with a water overlfow secured by means of a float valve
US-2017218896-A1 · Aug 3, 2017 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D36/005?
- CPC B01D36/005 is the Cooperative Patent Classification code for “Operations & Transport.”
- How many patents are filed under CPC B01D36/005 (Operations & Transport)?
- Our database includes 153 publications tagged with this CPC code.
- Is patent activity under CPC B01D36/005 growing?
- Publication counts under this code: 5 in 2024 vs 7 in 2025 (latest complete years).