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
James C Wingo Jr, Nelson Kraemer: Protective helmet and liner. Riddell, Ben D Tobor, July 30, 1991: US05035009 (108 worldwide citation)

A protective helmet and liner therefor includes a sheet of sound deadening material which fits between impact force absorbing pad structures disposed on the interior of the protective helmet.


3
Thad M Ide, Ralph J Infusino, Nelson Kraemer, Christopher R P Withnall, Timothy D Bayne: Football helmet. Riddell, Wallenstein Wagner & Rockey, August 30, 2005: US06934971 (69 worldwide citation)

A new football helmet includes: a jaw flap attached to the ear flap of the helmet, and the jaw flap overlies the sides of the lower jaw of football player; and a face guard connector which includes a shock absorbing member.


4
Thad M Ide, Ralph J Infusino, Nelson Kraemer, Christopher R P Withnall, Timothy D Bayne: Sports helmet. Riddell, McDermott Will & Emery, July 10, 2007: US07240376 (63 worldwide citation)

The present invention provides a sports helmet, such as a football, hockey, lacrosse or baseball helmet. The helmet includes a shell having an outer surface, a front region, a rear region, and two side regions. A jaw flap extends from each ear flap towards the front region of the shell, wherein the ...


5
Nelson Kraemer: Chin protector for helmets. Riddell, Tobor & Goldstein L, August 18, 1998: US05794274 (41 worldwide citation)

A chin protector for helmets, such as football helmets, includes an inner member and an outer member, and a suspension arrangement for at least partially suspending, in a spaced relationship, a portion of the outer member from a central portion of the inner member with a gap formed between the inner ...


6
Thad M Ide, Ralph J Infusino, Nelson Kraemer, Christopher R P Withnall, Timothy D Bayne: Sports helmet. Riddell, McDermott Will & Emery, June 7, 2011: US07954177 (38 worldwide citation)

The present invention provides a sports helmet, such as a football, hockey, lacrosse or baseball helmet. The helmet includes a shell having an outer surface, a front region, a rear region, and two side regions. A jaw flap extends from each ear flap towards the front region of the shell, wherein the ...


7
Nelson Kraemer: Chin strap assembly for use with an athletic helmet. Riddell, Tobor & Goldstein L, July 4, 2000: US06081932 (35 worldwide citation)

The chin strap assembly for use with an athletic helmet includes a chin cup member having a flexible strap on each side of the chin cup member, each flexible strap passing through a plurality of slots formed in the chin cup member.


8
Thad M Ide, Nelson Kraemer, Ralph J Infusino: Face guard connector assembly for a sports helmet. Riddell, Wallenstein & Wagner, December 12, 2006: US07146652 (27 worldwide citation)

The present invention provides a face guard connector assembly for a sports helmet, such as a football, hockey or lacrosse helmet. The face guard includes a plurality of elongated bar members that intersect to define a grid. The connector assembly removably connects the face guard to the helmet shel ...


9
Thad M Ide, Ralph J Infusino, Nelson Kraemer: Face guard for a sports helmet. Riddell, Wallenstein Wagner & Rockey, May 2, 2006: US07036151 (27 worldwide citation)

The present invention provides a face guard for a sports helmet having at least two ear holes. The face guard includes a main body having an arrangement of elongated members. The face guard also includes a pair of quadrilateral projections for securing the face guard to the helmet, wherein the proje ...


10
Nelson Kraemer, Ralph J Infusino, Thad M Ide: Sports helmet with clamp for securing a chin protector. Riddell, McDermott Will & Emery, March 8, 2011: US07900279 (20 worldwide citation)

The present invention is directed to a sports helmet with a clamp that secures an elongated strap of a chin protector assembly against the helmet. The clamp includes a main body having an opening, a finger and a receiver that is positioned between the opening and the finger. The clamp may also inclu ...