A Fixture for Cleaning Showerheads with Multiple Separate Chambers
This patent describes a cleaning device for showerheads that uses a fixture with three or more separate internal compartments and channels to direct cleaning fluid to the showerhead's upper surfaces.
Original patent title: “Cleaning fixture for showerhead assemblies”
What this patent covers
The actual claim
The patent describes a cleaning fixture designed to clean showerhead assemblies. This fixture has a main body that includes at least three distinct internal spaces, called cavities. Each cavity is separated from the others by a partition. Additionally, the fixture has multiple channels connected to each cavity. These channels allow cleaning fluid to flow from the cavities to the top surface of the fixture, which would then contact and clean the showerhead. For example, a user could fill the cavities with a descaling solution, attach the fixture to a showerhead, and the solution would be directed through the channels to clean mineral buildup from the showerhead's nozzles and internal components.
What this patent does NOT cover
The boundaries
- Does not cover showerhead cleaning methods that involve simply spraying a solution onto the showerhead's exterior without a dedicated fixture.
- Does not cover cleaning devices that use only a single, undivided chamber for the cleaning fluid.
- Does not cover fixtures where the cleaning fluid does not flow through channels to an upper surface of the fixture body.
- Does not cover cleaning fixtures with fewer than three distinct cavities separated by partitions.
- Does not cover cleaning devices that rely solely on mechanical scrubbing or brushing without fluid delivery.
These exclusions are unique to PatentBrief — derived from the actual claim language, not patent-office boilerplate.
What made this novel
The clever aspect is the specific design of the fixture body with its multiple, separate cavities and associated channels. This structure allows for precise and targeted delivery of cleaning fluid to different parts of a showerhead, ensuring a more thorough cleaning than simpler, single-chamber designs or general soaking methods.
Schematic visualization of the patent's claim structure. Hand-drawn diagrams in progress for each landmark patent.
Where you've seen this
Real-world examples
Specialized showerhead descaling kits
Purpose-built cleaning tools for bathroom fixtures
Devices used in hotels or commercial settings for fixture maintenance
Household cleaning accessories designed for specific plumbing components
Why it matters
The bigger picture
Showerheads often get clogged with mineral deposits like limescale, reducing water flow and spray quality. This patent aims to provide a more effective and targeted way to clean these deposits. By using multiple separate cavities and channels, the fixture can ensure that cleaning solutions reach specific areas of the showerhead that are difficult to clean with general methods, improving the lifespan and performance of the showerhead.
Filed
November 30, 2021
Granted
March 3, 2026
Market context
Who's building on this
Companies in this space
ASM IP HOLDING BV, the assignee, is primarily known for semiconductor manufacturing equipment. While this patent describes a general cleaning fixture for showerhead assemblies, specific consumer products from them in this area are not widely known. Companies in the home improvement, plumbing fixture, and cleaning product industries, such as Kohler, Moen, or specialized cleaning tool manufacturers, could potentially develop or license similar targeted cleaning solutions.
Market impact
This type of invention addresses a common household maintenance problem, potentially leading to more efficient and effective ways to clean showerheads. If widely adopted, it could create a market for specialized, structured cleaning tools that go beyond simple soaking bags or spray-on cleaners. It could also influence how plumbing fixture manufacturers design their products to be compatible with such cleaning methods, ultimately improving user experience and product longevity.
Claim 1 — Plain English
What this patent covers
The patent describes a cleaning fixture designed to clean showerhead assemblies. This fixture has a main body that includes at least three distinct internal spaces, called cavities. Each cavity is separated from the others by a partition. Additionally, the fixture has multiple channels connected to each cavity. These channels allow cleaning fluid to flow from the cavities to the top surface of the fixture, which would then contact and clean the showerhead. For example, a user could fill the cavities with a descaling solution, attach the fixture to a showerhead, and the solution would be directed through the channels to clean mineral buildup from the showerhead's nozzles and internal components.
The clever bit
The clever aspect is the specific design of the fixture body with its multiple, separate cavities and associated channels. This structure allows for precise and targeted delivery of cleaning fluid to different parts of a showerhead, ensuring a more thorough cleaning than simpler, single-chamber designs or general soaking methods.
What it does not cover
- Does not cover showerhead cleaning methods that involve simply spraying a solution onto the showerhead's exterior without a dedicated fixture.
- Does not cover cleaning devices that use only a single, undivided chamber for the cleaning fluid.
- Does not cover fixtures where the cleaning fluid does not flow through channels to an upper surface of the fixture body.
- Does not cover cleaning fixtures with fewer than three distinct cavities separated by partitions.
- Does not cover cleaning devices that rely solely on mechanical scrubbing or brushing without fluid delivery.
Patent Journey
From filing to today
Patent Filed
2021
Patent Granted
2026 · 4yr after filing
Active Today
2026
Highly Cited
10,994 patents cite this
Expires
2041
PatentBrief Score
Impact Score
Strong
Citation count
40/40
Highly cited
Claim breadth
0/20
Narrow claims
Recency
20/20
Granted within 5 years
Assignee scale
0/20
Independent or smaller assignee
PatentBrief Impact Score — based on citation count, claim breadth, recency, and assignee scale. Not a legal assessment.
Citations
Patent lineage
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