Patents Represented by Attorney Akerman Senterfirr
  • Patent number: 6971192
    Abstract: A padded shoe includes a flexible, resilient sole having a substantially outer surface. A shoe upper is adjoined to the sole, the shoe upper having closed-cell foam padding disposed therein. The shoe upper includes a padded tongue including an inner tongue portion and an outer padded tongue portion. Fastening structure retains the shoe on the foot of a wearer. Engagement structure is included for securing the outer padded tongue to cover the inner tongue portion. The outer padded tongue portion substantially covers the engagement structure. The wearer can strike a target with the shoe, and the target and the wearer are protected from injury caused by direct impact with the fastening structure and the engagement structure.
    Type: Grant
    Filed: September 12, 2003
    Date of Patent: December 6, 2005
    Assignee: Ringstar, Inc.
    Inventor: Steven H. Shepherd
  • Patent number: 6875892
    Abstract: A method for the production of synthesis urea from liquid ammonia and gaseous carbon dioxide, comprising the step of feeding separate flows (6, 8) of liquid ammonia and gaseous carbon dioxide in continuous to a substantially vertical or horizontal column synthesis reactor (1), is distinguished in that the feed of liquid ammonia is split up into at least two consecutive sections (Z1-Z7) of said column.
    Type: Grant
    Filed: March 8, 2002
    Date of Patent: April 5, 2005
    Assignee: Urea Casale S.A.
    Inventors: Ermanno Filippi, Domenico Romiti