1
Charles Sperry
Charles R Sperry, Laurence B Sperry: High speed apparatus for forming foam cushions for packaging purposes. Sealed Air Corporation, Bell Seltzer Park & Gibson P A, October 21, 1997: US05679208 (37 worldwide citation)

A sealing and severing apparatus is disclosed for sealing plastic bags formed in succession from stock plastic film material and then severing the sealed bags from one another. The bags are filled with a foamable composition while they are being formed so that when the formed and filled bags are pla ...


2
Charles Sperry
Charles R Sperry, Laurence B Sperry, Craig E Robert, Michael J Seckler, Brian Kent Farison, Abraham N Reichental: Compact packaging device for forming foam filled cushions for packaging purposes. Sealed Air Corporation, Alston & Bird, December 21, 1999: US06003288 (34 worldwide citation)

A packaging device is disclosed for forming packaging cushions of the type that include a plastic bag filled with a solid foam, and wherein the cushions are initially formed of a plastic bag filled with a foamable material that reacts and then hardens to form solid foam. The device comprises means f ...


3
Charles Sperry
Charles R Sperry, Henry Ruddy, Laurence B Sperry: Tip for a foam in place injection cartridge. Sealed Air Corporation, Bell Seltzer Park & Gibson, October 26, 1993: US05255847 (29 worldwide citation)

A cleaning system is disclosed for pumping compressed air and cleaning solvent to the injection cartridge of a foam-in-place packaging system. The cleaning system comprises a solvent tank for containing a stock supply of solvent; a source of compressed air; and an air-activated submersible solvent p ...


4
Charles Sperry
Charles R Sperry, Laurence B Sperry: High speed apparatus for forming foam cushions for packaging purposes. Sealed Air Corporation, Bell Seltzer Park & Gibson P A, November 19, 1996: US05575435 (24 worldwide citation)

A sealing and severing apparatus is disclosed for sealing plastic bags formed in succession from stock plastic film material and then severing the sealed bags from one another. The bags are filled with a foamable composition while they are being formed so that when the formed and filled bags are pla ...


5
Charles Sperry
Laurence B Sperry, Eric A Kane, Atul Arora, Charles Kannankeril, Ross Patterson: Packaging machine and method. Sealed Air Corporation, Alston & Bird, October 20, 2009: US07603831 (5 worldwide citation)

A packaging method and apparatus wherein each product is packaged by capturing the product in flexible packaging material. The packing apparatus includes a product detector for detecting the presence or absence of a product to be packaged. The detection of the product may cause the advancement of pa ...


6
Charles R Sperry, Laurence B Sperry: High speed apparatus for forming foam cushions for packaging purposes. Sealed Air Corporation, Bell Seltzer Park & Gibson, December 27, 1994: US05376219 (64 worldwide citation)

A sealing and severing apparatus is disclosed for sealing plastic bags formed in succession from stock plastic film material and then severing the sealed bags from one another. The bags are filled with a foamable composition while they are being formed so that when the formed and filled bags are pla ...


7
Laurence B Sperry, Jesse S Drake: Inflatable packing material and inflation system. Sealed Air Corporation, Fish & Richardson P C, July 3, 2001: US06253806 (26 worldwide citation)

A method of inflating a dunnage bag in a box including the steps of inflating the dunnage bag; with one or more sensors, monitoring deflection of at least two surfaces of the box while inflating the dunnage bag; upon detecting through monitoring that deflection of either of at least two surfaces rea ...


8
Laurence B Sperry, Eric A Kane, Brian A Murch, Ross Patterson: Apparatus and method for forming inflated articles. Sealed Air Corporation, Thomas C Lagaly, June 5, 2007: US07225599 (15 worldwide citation)

An apparatus for making inflated articles from a film web having two juxtaposed film plies. One version of the apparatus generally includes a first rotary sealing device for producing transverse seals that bond the film plies together, an inflation assembly for directing gas between the film plies, ...


9
Laurence B Sperry, Eric A Kane, Jesse S Drake: Inflatable packing and inflation apparatus. Sealed Air Corporation, Hale and Dorr, May 13, 2003: US06561236 (13 worldwide citation)

An inflatable packing article including a flexible, air tight bag; and a valve assembly defining a passage through which air is introduced into the bag during inflation, the valve assembly having an inlet end, the inlet end having an outer exposed surface with an adhesive adhered thereto and circums ...


10
Laurence B Sperry, Eric A Kane, Brian A Murch, Ross Patterson: Apparatus and method for forming inflated articles. Sealed Air Corporation, Thomas C Lagaly, June 24, 2008: US07389626 (11 worldwide citation)

An apparatus for making inflated articles from a film web having two juxtaposed film plies. One version of the apparatus generally includes a first rotary sealing device for producing transverse seals that bond the film plies together, an inflation assembly for directing gas between the film plies, ...