Patent landscapes › window blinds

Patent landscapes › Home & cleaning

Is a window blinds patented?

Short answer: specific designs of a window blinds have been patented many times, but "a window blinds" as a general idea is not what is protected. What matters is the exact combination of features in your version.

What our index shows
  • 6,690 US and WO patent publications since 2000 have a title matching “window blind” or a close variant (our index of 9.7 million patent families; one publication per family).
  • Among the 1387 best keyword matches we examined, 279 were published in 2020 or later, and the earliest was published in 2000.
  • Most frequent assignees in those matches: NIEN MADE ENTPR CO LTD (81), BOS GMBH (39), TEH YOR CO LTD (38), CHING FENG HOME FASHIONS CO (27).
  • Most common patent classes (CPC subclasses): E06B (1197), B60J (138), Y10T (116), A47H (65).

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 window blinds

  1. Window blinds with cord locking mechanism WO-2023184010-A1 2023 · BRITE BLINDS LTD
    A cord locking mechanism for a window blinds assembly is disclosed that prevents the hazardous looping of the internal lift line cord of a window blinds assembly. Each blind slat comprises tapered apertures that are adapted to loc…
    View on Google Patents
  2. Electromechanical device for managing cord looped window blinds, curtains, and shades US-2022307319-A1 2022 · LEPKANICH CHASE
    In an embodiment, a system for managing window blinds is provided. The system comprises an electronic device and an application stored on the device that when executed directs, based on a stored schedule, blinds for a first group …
    View on Google Patents
  3. Dual-use pole for non-cord window blind assembly and blind slat lift mechanism using same US-10538961-B2 2020 · CHEN CHIN FU
    A dual-use pole used in a non-cord window blind assembly is provided to have a pole shank and a pole head. The pole head has a flange and a driving block. The flange has an end surface located at an end of the pole shank. The driv…
    View on Google Patents
  4. Cordless window blinds with electromagnets to control raising, lowering, and tilt of slats US-10415303-B2 2019 · HALL DAVID R
    We disclose a cordless window blind that includes at least one electromagnet within each slat. The slats may be inserted into orifices within rotatable slat mounting members on a vertical guide rail assembly. The orifices may hous…
    View on Google Patents
  5. Window blinds with capacitor in slats to charge slats and clean the air US-10337240-B2 2019 · HALL DAVID R
    We disclose a window blind that includes a capacitor within each slat. Each plate of the capacitor may be connected to one of two batteries. At least one switch may be placed between each capacitor plate and its adjoining battery.…
    View on Google Patents
  6. Safety lift cord device for a window blind US-2018283095-A1 2018 · LIN YA YIN
    A safety lift cord device includes a safety guard adapted to be attached to a blind shade of a window blind, and a lift cord extending vertically in a lengthwise direction in a cord running section of the guard. The cord running s…
    View on Google Patents
  7. Slat controller of window blind US-8910696-B2 2014 · WEN YU-CHE
    A slat controller for a window blind has a gear, a worm member, and a connector. The gear connects to slats through cords, and the worm member having spiral teeth meshed with the gear. The connector has flexible arms, and the flex…
    View on Google Patents
  8. Slat rotation, slat winding and unwinding control device of window blind US-8770257-B2 2014 · KAO YU-TING
    A slat winding and unwinding control device of window blind includes flexible snap fit portions that are provided on the base to engage directly into the upper beam so that the mounting of the base into the interior of the upper b…
    View on Google Patents
  9. Secure lock for a lift cord of a window blind or shade US-2010326608-A1 2010 · WEN YU-CHE
    The invention relates to a secure lock for a lift cord of a window blind or shade, which includes a head rail, a bottom rail and a shading unit combined between the head rail and the bottom rail. The shading unit has plural connec…
    View on Google Patents
  10. Ladder cord lattice for window blinds US-2010319859-A1 2010 · TAIHAO KNITTING BELT CO LTD
    The present invention provides a ladder cord lattice for window blinds. The ladder cord lattice includes a front strip, a rear strip and multiple slat sustaining portion arranged at intervals between the front and rear strips. The…
    View on Google Patents
  11. Images on window blinds and shades US-2010227100-A1 2010 · WEEKS TIMOTHY MARK
    The present invention relates to a decorative coatings and a method for modifying or altering existing horizontal or vertical blinds, louvers and the like. The decorative coating or adhesive layer is designed to conform to any pre…
    View on Google Patents
  12. Single cord activation mechanism for collecting a window blind US-2007095486-A1 2007 · CHING FENG HOME FASHIONS CO
    A single cord activation mechanism for collecting a window blind, especially a mechanism which uses a single cord to collect slats of a window blind, is primarily composed of a release shaft with a larger diameter which is connect…
    View on Google Patents
  13. High privacy horizontal window blind having slats with no cord holes and a special clip US-6877547-B2 2005
    FIG. 4 is an overall view of the representation of the peeping tom ( 916 ) problem and its deterrence showing the peeping tom, factory made deterrent design for horizontal window blinds of the present invention ( 100 ) installed…
    View on Google Patents
  14. Window blind cord storage member US-6484787-B1 2002
    The subject invention is a holder for a window-shade cord to securely hold the cord in a temporarily stored position to prevent entanglement by the cord, particularly with a child, with the holder being structured to hold a portio…
    View on Google Patents

What this means for your idea

Because patents cover specific combinations of features, the useful question is not “has a window blinds 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.