Patents by Inventor Matthew Joseph Hannula

Matthew Joseph Hannula 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).

  • Versatile exercise apparatus with adjustable volume to weight ratio
    Patent number: 9999798
    Abstract: Versatile exercise apparatus is portable and provides adjustable volume to weight ratio for multi-purpose weight, cardio, sport-specific, and martial arts training. Versatile exercise apparatus provides a user with the ability to adjust volume to weight ratio using a waterproof fillable cavity. The different markings on the transparent viewing window of the apparatus allow a user to vary the difficulty level of workouts by changing the corresponding weight of either water or sand added to the apparatus. Versatility is provided by the apparatus either being used as a backpack or a hand-held free weight, or a punching bag.
    Type: Grant
    Filed: July 25, 2016
    Date of Patent: June 19, 2018
    Inventor: Matthew Joseph Hannula
  • VERSATILE EXERCISE APPARATUS WITH ADJUSTABLE VOLUME TO WEIGHT RATIO
    Publication number: 20170021221
    Abstract: Versatile exercise apparatus is portable and provides adjustable volume to weight ratio for multi-purpose weight, cardio, sport-specific, and martial arts training. Versatile exercise apparatus provides a user with the ability to adjust volume to weight ratio using a waterproof fillable cavity. The different markings on the transparent viewing window of the apparatus allow a user to vary the difficulty level of workouts by changing the corresponding weight of either water or sand added to the apparatus. Versatility is provided by the apparatus either being used as a backpack or a hand-held free weight, or a punching bag.
    Type: Application
    Filed: July 25, 2016
    Publication date: January 26, 2017
    Inventor: Matthew Joseph Hannula