3m Innovative Properties Company

Daniel P Jenkins

James J May

Mark A J Fernandes

Reyad A Abdulqader

Christopher P Henderson

Stuart J King

Elliott J Baxter

Mario-Alexander Lehmann

Andrea Lejewski

Mark AJ Fernandes

A personal respiratory protection device comprising a main body () carrying an exhalation valve (), the valve () having a grip region () which is grippable in use by the user, the grip region () being configured to indicate to the user that the valve () is to be gripped during opening, donning and doffing of the device.

Respirator valve

Various embodiments of a personal respiratory protection device () are disclosed. The personal respiratory protection device () includes an upper panel (), a central panel (), and a lower panel (), the central panel () being separated from each of the upper and lower panels () by a first and second fold (), seam, weld () or bond, respectively, such that the device is capable of being folded flat for storage along the first and second fold (), seam, weld () or bond and opened to form a cup-shaped air chamber over the nose and mouth of the wearer when in use. The lower panel () includes a stiffening sheet () that has a longitudinal crease line, where the stiffening sheet () is folded about the longitudinal crease line when the device is in use.

Flat-fold respirator

Growing community of inventors

St. Albans, United Kingdom

Daniel P Jenkins