Feb 10, 2026

US12546571 - Visibility-impairing security device

A visibility-impairing security device is disclosed for producing a gathering of air-suspended light-obscuring matter to obscure vision. The device comprises a body comprising an emission unit receiving portion for holding an emission unit having an outlet for emitting the matter; an opening for the passing therethrough of the matter from the outlet; and a door for closing the opening. The door is configured to move between a closed position in which the opening is covered and an open position in which the opening is at least partially open, thus allowing for the passing therethrough of the matter from the outlet when the door is in the open position.

Assignee: Essence Security International (E.S.I.) Ltd.
Inventors: Sergey Meron, Pavel Lindberg, Eran Vendriger, Eran Cohen
Filing date: 2022-05-24

securitydevicevisibilityobscuring

The patent describes a visibility-impairing security device designed to emit air-suspended light-obscuring matter to obscure vision, featuring a movable door that controls the opening through which the matter is released. The device includes a body with an emission unit receiving portion, an opening for matter passage, and a releasably attached bottom portion for efficient operation.

Claim 1

1 . A visibility-impairing security device for producing a gathering of air-suspended light-obscuring matter to obscure vision, the device comprising: a body comprising: an emission unit receiving portion for holding an emission unit having an outlet for emitting the matter; an opening for the passing therethrough of the matter from the outlet; and a door for closing the opening, wherein the door is configured to move between a closed position in which the opening is covered and an open position in which the opening is at least partially open, thus allowing for the passing therethrough of the matter from the outlet when the door is in the open position, wherein the emission unit receiving portion is configured to hold the emission unit such that matter emitted from the outlet is emitted towards the bottom of the device, wherein the opening is positioned within a bottom portion of the body of the device, and wherein the bottom portion of the body of the device is releasably attached to a main portion of the body of the device. a body comprising: an emission unit receiving portion for holding an emission unit having an outlet for emitting the matter; an opening for the passing therethrough of the matter from the outlet; and a door for closing the opening, wherein the door is configured to move between a closed position in which the opening is covered and an open position in which the opening is at least partially open, thus allowing for the passing therethrough of the matter from the outlet when the door is in the open position, wherein the emission unit receiving portion is configured to hold the emission unit such that matter emitted from the outlet is emitted towards the bottom of the device, wherein the opening is positioned within a bottom portion of the body of the device, and wherein the bottom portion of the body of the device is releasably attached to a main portion of the body of the device.

Google Patents

https://patents.google.com/patent/US12546571

USPTO PDF

https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/12546571