Coalescing element of a water separator device, and water separator device
US-10486093-B2 · Nov 26, 2019 · US
with means activated by the presence of water, e.g. alarms or means for automatic drainage
with means activated by the presence of water, e.g. alarms or means for automatic drainage · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F02M37/28 |
| Official title | with means activated by the presence of water, e.g. alarms or means for automatic drainage |
| Display label | with means activated by the presence of water, e.g. alarms or means for automatic drainage |
| Total patents | 125 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 15 |
| 2017 | 20 |
| 2018 | 11 |
| 2019 | 11 |
| 2020 | 13 |
| 2021 | 9 |
| 2022 | 14 |
| 2023 | 9 |
| 2024 | 9 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fuel filter assembly, filter element and method for draining water from a fuel filter assembly
US-10315139-B2 · Jun 11, 2019 · US
Application based water drain feature for fuel water separators and/or natural gas filters
US-2019168140-A1 · Jun 6, 2019 · US
Electronic filter detection feature for liquid filtration systems
US-10184415-B2 · Jan 22, 2019 · US
Filtration monitoring systems
US-2018335368-A1 · Nov 22, 2018 · US
Filtration monitoring systems
US-10119886-B2 · Nov 6, 2018 · US
Fuel filter system with water emulsifier
US-2018274505-A1 · Sep 27, 2018 · US
Auto drain system for vacuum and pressure side fuel water separator
US-2018216588-A1 · Aug 2, 2018 · US
Fuel Filter
US-2018209387-A1 · Jul 26, 2018 · US
Fuel filter of an internal combustion engine and filter element of a fuel filter
US-10018166-B2 · Jul 10, 2018 · US
Fuel filter of an internal combustion engine and heating sensor module of a fuel filter
US-10010815-B2 · Jul 3, 2018 · US
Fuel filter for diesel engine
US-10006421-B2 · Jun 26, 2018 · US
Fluid filter system
US-2018161708-A1 · Jun 14, 2018 · US
Systems and methods for servicing a fluid filtration system
US-2018133631-A1 · May 17, 2018 · US
Fuel Filter Insert, and Fuel Filter Comprising a Prefilter Element and a Main Filter Element and Comprising a Water Separating Unit
US-2018028949-A1 · Feb 1, 2018 · 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
Integrated smart fuel filtration system
US-2017298881-A1 · Oct 19, 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
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02M37/28?
- CPC F02M37/28 is the Cooperative Patent Classification code for “with means activated by the presence of water, e.g. alarms or means for automatic drainage.”
- How many patents are filed under CPC F02M37/28 (with means activated by the presence of water, e.g. alarms or means for automatic drainage)?
- Our database includes 125 publications tagged with this CPC code.
- Is patent activity under CPC F02M37/28 growing?
- Publication counts under this code: 9 in 2024 vs 4 in 2025 (latest complete years).