Patents by Inventor Erwin Zuercher

Erwin Zuercher 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).

  • Device for supplying a liquid to a body cavity of a person or an animal and subjecting it to a determined pressure
    Patent number: 5776104
    Abstract: A apparatus composed of a flexible bag containing a biological fluid in an enclosure sealed by a cover. The flexible bag is connected to a cavity in the human body through a tube that passes through a cover in the enclosure. In order to supply the biological fluid under an adjustable pressure to the cavity, the enclosure is connected to a source of pressurized air by means of an adjustable valve and a pressure regulator so that the pressure of the liquid in the cavity remains constant.
    Type: Grant
    Filed: November 30, 1995
    Date of Patent: July 7, 1998
    Inventors: Mireille Guignard, Remi Cottenceau, Erwin Zuercher
  • Device to untwist, unravel and open up a textile yarn
    Patent number: 5289673
    Abstract: The device involves the use of two nozzles (5 and 6) alternatively blow air jets against a yarn in the central portion of a channel (1), these nozzles being symetrically placed in relation to a plane containing the channel axis. The jets blowing frequency is of several hundreds of Hz. A deflector (3) in the bottom of channel (1) can deviate the beating thread sidewise and consequently impart thereto alternate twisting and untwisting motion in order to unravel the thread.
    Type: Grant
    Filed: August 19, 1992
    Date of Patent: March 1, 1994
    Assignee: Mesdan S.p.A.
    Inventors: Remi Cottenceau, Erwin Zuercher
  • Universal method to untwist, unravel and open up a textile yarn
    Patent number: 5167111
    Abstract: The method involves the use of two nozzles (5 and 6) which alternatively blow air jets against a yarn in the central portion of a channel (1), these nozzles being symmetrically placed in relation to a plane containing the channel axis. The jets blowing frequency is of several hundreds of Hz. A deflector (3) in the bottom of channel (1) can deviate the beating thread sidewise and consequently impart thereto alternate twisting and untwisting motion in order to unravel the thread.
    Type: Grant
    Filed: July 14, 1988
    Date of Patent: December 1, 1992
    Assignee: Mesdan S.p.A.
    Inventors: Remi Cottenceau, Erwin Zuercher
  • Method of actuation of needle selection latches of a knitting machine, and a device for performing the method
    Patent number: 4875347
    Abstract: In a knitting machine, a selection latch having two end positions for selecting a knitting-needle is actuated so as to engage a cam which moves the selected latch towards a second end position. The actuation of the selection latch in two stages reduces the displacement brought about by the actuating means and increases the selection frequency. According to the invention the latch is actuated by a thin needle similar to a needle-printer needle, producing an impact on the latch, resulting in transmission of motion with high efficiency and moving the latch into an intermediate position in which the cam brings the latch into its second end position. This substantially eliminates friction between the actuating means and the latch, and enhances the selection frequency.
    Type: Grant
    Filed: December 1, 1988
    Date of Patent: October 24, 1989
    Assignee: Sipra Patententwicklungs-und Beteiligungsgesellschaft mbH
    Inventors: Jacque Vermot-Gaud, Remi Cottenceau, Erwin Zuercher