1
Nelson Kraemer, Ralph Infusino: Integrated pump mechanism and inflatable liner for protective. Riddell, Hopgood Calimafde Kalil Blaustein & Judlowe, November 23, 1993: US05263203 (122 worldwide citation)

In accordance with one aspect of the present invention is a specific, illustrative embodiment of an integrated pump and inflatable liner assembly which comprises a hollow inflatable member for the reception and storage of fluid, the inflatable member having a selected configuration so as to line the ...


2
Jared Vance, Benjamin Arbaugh: Protective fluidic-transfer helmet. Baker Donelson PC, Royal W Craig, November 7, 2017: US09808043

A protective helmet with outer hard plastic shell and internal inflatable bladder arrayed in a particular semi-elliptical fluidic circuit of known elasticity and defined pattern. The bladder is a long thin TPE rubber tube having a valve mounted centrally at mid-length. The tube is mounted inside the ...


3
John E Whitcomb: Helmet having non-bursting air cells. Donald J Ersler, November 21, 2017: US09820524

A helmet having non-bursting air cells preferably includes a hard helmet shell, an outside air cell impact layer and an inside air cell impact layer. The outside air cell impact layer preferably includes at least one air cell layer and an outside layer of sheet material. Each air cell layer includes ...