Coolant filler neck assembly having integrated coolant overflow resevoir
US-2026063061-A1 · Mar 5, 2026 · US
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Closure caps
Closure caps · 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 | F01P11/0209 |
| Official title | {Closure caps} |
| Display label | Closure caps |
| Total patents | 18 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 2 |
| 2024 | 4 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Coolant filler neck assembly having integrated coolant overflow reservoir
US-12503972-B2 · Dec 23, 2025 · US
Coolant filler neck assembly having integrated coolant overflow reservoir
US-2024280045-A1 · Aug 22, 2024 · US
Coolant filler neck assembly having integrated coolant overflow reservoir
US-12000323-B2 · Jun 4, 2024 · US
Coolant filler neck assembly having integrated coolant overflow reservoir
US-2024117762-A1 · Apr 11, 2024 · US
Reservoir tank for vehicle
US-11891003-B2 · Feb 6, 2024 · US
Motorcycle engine cooling system
US-11458832-B2 · Oct 4, 2022 · US
Reservoir tank for vehicle
US-2022144195-A1 · May 12, 2022 · US
Closure element for closing a housing in a heat-transfer-fluid pump contained in an engine
US-10890099-B2 · Jan 12, 2021 · US
Pressure cap for cooling system having variable opening pressure
US-10697718-B2 · Jun 30, 2020 · US
Closure element for closing a housing in a heat-transfer-fluid pump contained in an engine
US-2020182126-A1 · Jun 11, 2020 · US
Pressure cap for cooling system of vehicle
US-10619555-B2 · Apr 14, 2020 · US
Motorcycle engine cooling system
US-2019263253-A1 · Aug 29, 2019 · US
Equalizing reservoir with fill level sensor
US-2018274965-A1 · Sep 27, 2018 · US
Pressure cap for cooling system of vehicle
US-2018163610-A1 · Jun 14, 2018 · US
Pressure cap for cooling system having variable opening pressure
US-2018073823-A1 · Mar 15, 2018 · US
Venting plug for engine coolant filling
US-9644526-B2 · May 9, 2017 · US
Venting Plug for Engine Coolant Filling
US-2016281588-A1 · Sep 29, 2016 · US