Patents by Inventor Bruce R. Wilk

Bruce R. Wilk has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6129659
    Abstract: A cold therapy pad includes a flexible envelope containing a high thermal capacity gel which will remain cold for a period of time after being frozen and a flexible permanent magnet contained within the envelope. According to a presently preferred embodiment, the envelope is made of a flexible polymer such as vinyl, the thermal gel is made of silicate, and the permanent magnet is made of molten metal hardened in an electric field. The magnet may be embedded in the gel so that it is substantially centrally located relative to the envelope. If desired, the magnet may be located between the envelope and the gel. The basic construction of the invention lends itself to many geometric configurations and sizes. In different embodiments, the therapy pad is dimensioned to overlie particular body parts such as joints, limbs, the neck, the waist, the chest, and the eyes. In some embodiments VELCRO.RTM. strips are provided to affix the therapy pad to a body part.
    Type: Grant
    Filed: March 2, 1999
    Date of Patent: October 10, 2000
    Inventor: Bruce R. Wilk
  • Patent number: 5526934
    Abstract: A wicketless pack of thermoplastic bags includes a stack of a number of individual thermoplastic bags. Each of the bags has a bottom edge, upper and lower walls, a pair of side edges, and an open top end. A lip segment is provided adjacent the open end of each individual bag. The lip portion is an extension of the material forming the lower wall of a respective bag and includes at least one locating hole. A perforated tear line is formed between the open end of the bag and the lip portion. The lip segments of the stack are bonded together with ultrasonic vibratory energy to form a welded pad of lips as part of the bag pack. The welded pad is formed by moving at least one shaped ultrasonic horn downward through the stack of consecutive lips while activating the shaped horn with ultrasonic vibratory energy to form a continuous tapered weld through the stack of lip portions.
    Type: Grant
    Filed: April 29, 1994
    Date of Patent: June 18, 1996
    Assignee: Huntsman Packaging Corporation
    Inventors: Gordon F. Pickering, Bruce R. Wilkes
  • Patent number: 5495946
    Abstract: A wicketless saddle pack of thermoplastic bags includes a first and second stack of a number of individual thermoplastic bags oppositely opposed over a common welded pad segment. Each of the bags has a bottom edge, upper and lower walls, a pair of side edges, and an open top end. A lip segment is provided adjacent the open end of each individual bag. The lip portion is an extension of the material forming the lower wall of a respective bag and includes at least one locating hole. A perforated tear line is formed between the open end of the bag and the lip portion. The lip segments of the two stacks are bonded together with ultrasonic vibratory energy to form the welded pad of lips. The welded pad is formed by moving at least one shaped ultrasonic horn downward through the stack of consecutive lips while activating the shaped horn with ultrasonic vibratory energy to from a continuous tapered weld through the stack of lip portions.
    Type: Grant
    Filed: December 19, 1994
    Date of Patent: March 5, 1996
    Assignee: Huntsman Packaging Corp.
    Inventors: Gordon F. Pickering, Bruce R. Wilkes