Patent landscapes › door stopper
Patent landscapes › Home & cleaning
Is a door stopper patented?
Short answer: specific designs of a door stopper have been patented many times, but "a door stopper" as a general idea is not what is protected. What matters is the exact combination of features in your version.
What our index shows
- 297 US and WO patent publications since 2000 have a title matching “door stopstopperwedgeholder” or a close variant (our index of 9.7 million patent families; one publication per family).
- Among the 235 best keyword matches we examined, 47 were published in 2020 or later, and the earliest was published in 2000.
- Most frequent assignees in those matches: ROLLMECH AUTOMOTIVE SANAYI VE TICARET ANONIM SIRKETI (4), SCHARWAECHTER ED GMBH (3), SMITH B JACK (3), PRIEUR ANDRE (3).
- Most common patent classes (CPC subclasses): E05C (145), E05F (98), E05Y (96), Y10T (58).
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 door stopper
- Door stopper body section, door-stopper-receiving section, and door stopper WO-2026054045-A1 2026 · LIXIL CORP
Provided is a door stopper body section that is capable of reliably holding a door body in an open position and can be installed even in a door body for which the gap between the lower end thereof and a floor surface is narrow. A …
View on Google Patents - Door stopper and holder device US-11851922-B2 2023 · MAJOR AMELIE
A door stopper and holder device for a door and having a distal part for anchoring to a structure adjacent the door when in a door open position, and a proximal part movably mounting onto the distal part. The proximal part is mova…
View on Google Patents - Door stopper WO-2020104080-A1 2020 · ID DESIGN PRODUKTENTWICKLUNG GMBH & CO KG
The invention relates to a door stopper for arresting a door, having a flat basic body which has a first flat basic body portion for bearing on a floor and a second flat basic body portion situated at a certain angle to the first …
View on Google Patents - Sliding door stopper US-10294706-B2 2019 · ROLLMECH AUTOMOTIVE SANAYI VE TICARET ANONIM SIRKETI
The present invention relates to a door stopper (10) comprising a dampening piston (30), a pin holder (40) provided at the piston end (32) of the piston shaft (31) of the dampening piston (30), and a spring (56) connected to the p…
View on Google Patents - A door stopper having gear and roller for sliding doors WO-2019108150-A3 2019 · ROLLMECH AUTOMOTIVE SANAYI VE TICARET ANONIM SIRKETI
The present invention relates to a door stopper (10) for decelerating the sliding door and decreasing the hitting effect during opening of the sliding door in vehicles having sliding door and having a dampening piston (30), a pin …
View on Google Patents - A door stopper having rack gear for sliding doors WO-2019117828-A3 2019 · ROLLMECH AUTOMOTIVE SANAYI VE TICARET ANONIM SIRKETI
The present invention relates to a door stopper (10) for decelerating the sliding door and decreasing the hitting effect during opening of the sliding door in vehicles with sliding door, and having a dampening piston (30), a pin h…
View on Google Patents - Wedge-shaped door stopper formed by diagonally facing and elastically fixing strong friction surface and strong sliding surface each other WO-2018220692-A1 2018 · KAJIWARA Gyo
[Problem] Conventionally, a door has been often fixed by using a wedge-shaped door stopper which has a shape or material having a large frictional force in a gap between the bottom of the door and the floor surface. However, in re…
View on Google Patents - Door stopper WO-2018169114-A1 2018 · NO SUGON
A door stopper, according to the present invention, comprises: a frame fixed on one surface of a door; a support coupled to the frame so as to enable the support move vertically such that a lower end can come into contact with the…
View on Google Patents - Door Stopper US-2017298665-A1 2017 · CHA BYUNG KWON
A wedge-shaped door stopper that includes a lower member including soft elastic material and an upper member including rigid material with high hardness to prevent a bottom surface of the door stopper from slipping along over a fl…
View on Google Patents - Door stopper US-2016083994-A1 2016 · DUENAS GEORGE
A door stopper may include a control unit, a connecting piece and a rod. The control unit is anchored to the floor. One end of the connecting piece is connected to the control unit and the rod is mounted on the other end of the co…
View on Google Patents - Door stopper and rod locking mechanism US-9388620-B2 2016 · MITSUBISHI STEEL MFG
The present invention is related to a door stopper including a rod mechanism attached to a door, the rod mechanism being provided with a rod extending toward a floor; and a rod locking mechanism provided on the floor, the rod lock…
View on Google Patents - Door stopper WO-2012045309-A1 2012 · BLENDED MINDS APS
A door stopper (1) comprising a housing (2) adapted to be fixed at the bottom of a door (26), a wedge member (4) and means for displacing the wedge member (4) and hereby engaging the wedge member (4) between the door (26) and a fl…
View on Google Patents - Door stoppers WO-03048488-A1 2003 · DOIKAWA SHINSUKE
Inconspicuous door stoppers capable of being installed without using mounting screws which may give a damage to a door and a floor, the first door stopper used by holding on a door rail, comprising a clip having lever handles and …
View on Google Patents - Door stopper device WO-0136769-A1 2001 · SAITO YASUYUKI
A door stopper device (20) holding a door (10) at an open position, comprising a wedge-shaped fixing member (21) inserted between the door (10) and a floor surface (13) and a connection mechanism (30) connecting the fixing member …
View on Google Patents
What this means for your idea
Because patents cover specific combinations of features, the useful question is not “has a door stopper 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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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.