Patent landscapes › sink strainer
Patent landscapes › Kitchen & cooking
Is a sink strainer patented?
Short answer: specific designs of a sink strainer have been patented many times, but "a sink strainer" as a general idea is not what is protected. What matters is the exact combination of features in your version.
What our index shows
- 54 US and WO patent publications since 2000 have a title matching “sink strainer” or a close variant (our index of 9.7 million patent families; one publication per family).
- Among the 54 best keyword matches we examined, 12 were published in 2020 or later, and the earliest was published in 2000.
- Most frequent assignees in those matches: ALI NAUSHAD (4), LI YAN (2), CHONG JESSICA (2), YCHIE SHARON (2).
- Most common patent classes (CPC subclasses): E03C (48), A47K (8), B01D (6), B25B (5).
Counts come from keyword matching on titles and abstracts, so they are indicative, not a legal count. Some matches are different products that share a word.
14 real patent publications related to a sink strainer
- Sink and bath drain strainer US-12421705-B2 2025 · WIRTANEN JOHN
A drain strainer includes a drain piece having a hollow body and an internal female thread, and a cap having an external male thread for mating with the internal female thread.
View on Google Patents - Sink strainer with channels allowing water flow US-12421706-B1 2025 · HU JACK KIRK
A sink strainer with water flow channels that allow the strainer to drain water even when covered with food debris. Each water flow channel increases the water flow efficiency of the strainer by adding water entry places that are …
View on Google Patents - Sink strainer basket with formed in place foam gasket WO-2023285415-A1 2023 · PREVEX AB OY
A strainer basket (1) arranged to be provided in an outlet (7a) of a sink (7), comprising a bowl shaped body having a bottom (4) and an essentially circular upper edge, wherein the bottom (4) is provided with at least one hole (4a…
View on Google Patents - Sink Strainer Basket with Odor Prevention Arrangement US-2021340746-A1 2021 · LI YAN
A sink strainer basket includes a strainer body having a drainage opening, and an odor prevention arrangement. The odor prevention arrangement includes a drain regulator movably provided on a bottom side of the strainer body to no…
View on Google Patents - Sink drain strainer US-10053845-B1 2018 · ALTIMARI NICHOLAS
Certain exemplary embodiments can provide a system, machine, device, and/or manufacture relating to a sink drain strainer for a sink drain body coupled to a drain pipe, the sink drain body coupled to a sink that defines a sink bot…
View on Google Patents - Universal Sink Drain Strainer Wrench US-2016256986-A1 2016 · LABONTE STEVE
A Universal Sink Drain Strainer Wrench. The wrench should has a ring element that fits over the convention outer sealing ring of a conventional drain strainer. The ring element has a central aperture encircled by a plurality of up…
View on Google Patents - Drain strainer and filter US-9021621-B2 2015 · BOOKER JR SYLVESTER R
The drain strainer and filter is removably placed within a sink, tub, or other drain to prevent solid particles from passing through the drain and building up to block the drain at some inaccessible location. The device includes a…
View on Google Patents - Universal sink drain strainer wrench WO-2015179550-A1 2015 · TOP QUALITY PLUMBING INC
A Universal Sink Drain Strainer Wrench (10). The wrench (10) has a ring element (12) that fits over the outer sealing ring (28) of a conventional drain strainer (20). The ring element (12) has a central aperture (36) encircled by …
View on Google Patents - Single-use sink strainer US-2015074891-A1 2015 · YCHIE SHARON
A disposable strainer is provided for drain holes such as in sinks, bathtubs and floor drain holes. The strainer is relatively thin and has wide edges relative to currently existing strainers. The strainer includes a perforated, c…
View on Google Patents - Kitchen Sink Strainer Basket Wrench US-2013220083-A1 2013 · WEST ROGER DALE
A tool adapted to install and remove strainer basket assemblies. The tool has a tubular main body that incorporates a means for gripping the upper strainer nut on a strainer basket assembly. The tool also has a moveable shaft that…
View on Google Patents - Vandal-proof floor sink strainer US-8578523-B2 2013 · EICHLER BEN
A floor sink strainer arrangement adapted to fasten to a receptacle body of a floor sink. The strainer arrangement includes a strainer having a body and defining a slot therein for receiving a fastener, and a fastener arrangement …
View on Google Patents - Grinding Sink Strainer US-2010206969-A1 2010 · STRONG FINN A
A sink drain strainer and sink straining method that does not require electricity or installation permitting a user to manually cut, grind, push, or punch clogging food debris through the drainage holes so that it will be small en…
View on Google Patents - Disposable sink drain strainer US-7442296-B2 2008 · CHONG JESSICA
A disposable drain strainer is removably received within a drain opening having an adjacent drain rim substrate. The strainer has a strainer portion, a ring portion, and a seal release mechanism. Top and bottom surfaces of the rin…
View on Google Patents - Scented sink strainer/stopper US-7458108-B2 2008 · BATH SOLUTIONS INC
We provide a sink drain air freshener container that is generally used with sink cover or a sink strainer/stopper. The air freshener container contains a plastic-based air freshener that emits the fragrance for at least 20 days af…
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What this means for your idea
Because patents cover specific combinations of features, the useful question is not “has a sink strainer been patented?” but “has my combination of features been described before?” Kitchen gadgets are a crowded, mature field; novelty usually sits in one specific mechanism, the material, or how two familiar functions are combined.
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First-look landscape. Not exhaustive. Not legal advice. This page lists keyword-matched publications from a limited database; it does not say whether any product is or isn't covered by a patent, whether a patent is still in force, or whether your idea is patentable. Consult a registered patent attorney or agent.