Patents by Inventor Howard H. Ewald

Howard H. Ewald 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: 5038806
    Abstract: A flosser has an elongate configuration with a forked arm at one end and an enlarged opposite end for housing a spool of unused dental floss, and a take-up reel for storing the dental floss as it is used. The dental floss is strung from the spool, across the arm, and back to the reel. There is a free knob having a spindle which connects the reel so that the feed knob and reel rotate in unison to reel in the spent floss. There is a cylindrical crown projection at the housing end that mates with the feed knob and encases the spool of unused dental floss. The feed knob and crown projection have a clutch mechanism allowing the feed knob and take-up reel to rotate in only one direction and to frictionally engage and hold the floss at the spool end and to temporarily disengage the floss when the feed knob is rotated to allow a measured amount of fresh floss to unwind from the freely rotatable spool, while simultaneously reeling in a like amount of spent floss into the take-up reel.
    Type: Grant
    Filed: October 19, 1990
    Date of Patent: August 13, 1991
    Inventor: Howard H. Ewald
  • Patent number: 4596073
    Abstract: An apple corer having four molded plastic components are fitted together to form the invention. They are a hollow cutting tube, a core remover slidable along the cutting tube, a handle attached at the end of the cutting tube, and a compression plug inserted at the same end for locking the handle in place. The tip of the cutting tube has serrated teeth for smooth boring into the apple. In operation, the handle is oscillated while applying pressure to it. This causes the cutting tube to bore through the apple. The tube is removed from the apple and the resulting core left in the tube is ejected by sliding the core remover towards the tip of the cutter. The corer can also be used for partial removal of the apple core when stuffed apples are desired. In this situation prongs are attached to the end of the core remover. The cutter is bored partially into the apple, the core remover is slid against the face of the apple causing the prongs to impale the apple and hold the core in place.
    Type: Grant
    Filed: January 16, 1984
    Date of Patent: June 24, 1986
    Inventor: Howard H. Ewald
  • Patent number: D311595
    Type: Grant
    Filed: November 7, 1988
    Date of Patent: October 23, 1990
    Inventor: Howard H. Ewald