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Is a sewing machine patented?
Short answer: specific designs of a sewing machine have been patented many times, but "a sewing machine" as a general idea is not what is protected. What matters is the exact combination of features in your version.
What our index shows
- 1,551 US and WO patent publications since 2000 have a title matching “sewing machine” or a close variant (our index of 9.7 million patent families; one publication per family).
- Among the 1398 best keyword matches we examined, 383 were published in 2020 or later, and the earliest was published in 2000.
- Most frequent assignees in those matches: BROTHER IND LTD (239), JANOME SEWING MACHINE CO LTD (105), JUKI KK (90), TOKAI IND SEWING MACHINE (37).
- Most common patent classes (CPC subclasses): D05B (1340), D05C (288), D05D (183), B65H (18).
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 sewing machine
- Needle thread control device for optimized corner sewing of double-needle sewing machine, and sewing control method WO-2026144012-A1 2026 · JACK TECH CO LTD
The present invention relates to a needle thread control device for optimized corner sewing of a double-needle sewing machine, and a sewing control method. The needle thread control device comprises a middle thread guide hook, a t…
View on Google Patents - Needle-threading device for sewing machine and sewing machine equipped with said device US-12281424-B2 2025 · JANOME CORP
The needle-threading device includes a needle-threading shaft that is parallel to a vertically-moving needle bar and that is vertically movable and rotatable, a control lever that lowers and rotates the needle-threading shaft, a n…
View on Google Patents - Bobbin thread automatic changing system for sewing machine WO-2020166887-A1 2020 · KANG HONG-GUN
The present invention relates to a bobbin thread automatic changing system for a sewing machine, and the purpose of the present invention is to automatically replace a bobbin thread in a sewing machine so that a continuous sewing …
View on Google Patents - Sewing machine equipped with needle threading device US-9879367-B2 2018 · JANOME SEWING MACHINE CO LTD
In a sewing machine equipped with a needle threading device, a thread holding tool includes: a thread holding surface part that guides and holds a thread; a thread pressing member that presses and sandwiches together with the thre…
View on Google Patents - Lower thread bobbin for sewing machine US-9580850-B2 2017 · SINJINSTEEL CO LTD
The present invention relates to a lower thread bobbin for a sewing machine able to hold a thread, the bobbin comprising a crescent moon-shaped winding part on which a thread can be wound and a crescent moon-shaped securing part f…
View on Google Patents - Needle thread gripping device and sewing machine WO-2016166866-A1 2016 · MITSUBISHI ELECTRIC CORP
The present invention is provided with an air cylinder (11), a coil spring (20), and a braking spring (19). The air cylinder (11) alternately performs an action for applying, to a hook (16) to which an urging force is applied by t…
View on Google Patents - Method and sewing machine for forming single-thread locked handstitches US-8661997-B2 2014 · SAKUMA KOUICHI
A thread can be captured surely by the thread capturing open eye of a needle and a stitch can be formed in the space within a machine bed. A handstitch on the front surface of a fabric workpiece and a locked stitch on the back sur…
View on Google Patents - Device for marking and for detecting depleted state of bobbin thread in sewing machine WO-2014019230-A1 2014 · ORISOL ASIA LTD
Disclosed is a device for marking and for detecting the depleted state of bobbin thread in a sewing machine. The device principally comprises a marking device (40) and a detecting device (50), wherein the marking device coordinate…
View on Google Patents - Sewing machine with a thread holding device for holding needle thread remaining US-8468962-B2 2013 · TSENG SHUI-CHUN
A sewing machine includes a thread holding device disposed downstream of a thread take-up lever and upstream of a needle bar in terms of a threading path of a needle thread, and including a fixed first disc and a movable second di…
View on Google Patents - Needle thread feeding device for multi-needle embroidery sewing machine US-8201508-B2 2012 · ASAI MASASHI
The present invention provides a needle thread feeding device for a multi-needle embroidery sewing machine which includes a drive roller having a length that extends across the plurality of needle threads, a needle thread guide me…
View on Google Patents - Needle bar thread guide for sewing machine US-7197995-B2 2007 · BROTHER IND LTD
A needle bar thread guide for a sewing machine includes a thread guide body mounted on a needle bar and having a threading portion for threading the sewing machine, an introducing portion formed on the thread guide body for introd…
View on Google Patents - Sewing machine with needle thread cassette and needle thread cassette US-6883447-B1 2005 · BROTHER IND LTD
A sewing machine with a needle thread cassette, wherein a cassette mount ( 3 ) is reduced in size. The cassette mount ( 3 ) including a thread take-up lever travel region is formed in the form of a vertical groove in the arm head …
View on Google Patents - Device and method to apply quills (tinsel) on fabrics in a sewing machine, and multi-needle sewing machine comprising said device WO-03071020-A1 2003 · LANDONI GIANNINO
Device and method to apply quills (23), tinsel or similar, on fabrics in a multi-needle sewing machine (10) suitable to make stitches (19) on continuously fed textile material (11). The multi-needle sewing machine (10) has upper s…
View on Google Patents - Sewing machine having needle bar oscillating mechanism, needle bar interrupting mechanism and thread tension releasing mechanism US-6145457-A 2000 · BROTHER IND LTD
A sewing machine has a needle bar up/down moving mechanism, a needle bar oscillating mechanism, a needle bar interrupting mechanism, a thread tension adjusting mechanism, and a thread tension releasing mechanism. The sewing machin…
View on Google Patents
What this means for your idea
Because patents cover specific combinations of features, the useful question is not “has a sewing machine been patented?” but “has my combination of features been described before?” Household products tend to differ in the mechanism (how something attaches, folds, dispenses or cleans) rather than the basic idea.
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Guides that help with this
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.