Patents by Inventor Ying Yu

Ying Yu 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).

  • Molded case circuit breaker trip indicator unit
    Patent number: 4801906
    Abstract: An integrated protection unit is a circuit breaker which includes basic overcurrent protection facility along with selective electrical accessories. A molded plastic accessory access cover secured to the integrated protection unit cover protects the accessory components contained within the circuit breaker cover from the environment. A trip signal indicator is one such accessory component which can be field-installed without affecting the integrity of the circuit breaker overcurrent protection components.
    Type: Grant
    Filed: October 19, 1987
    Date of Patent: January 31, 1989
    Assignee: General Electric Company
    Inventors: Robert A. Morris, Yuet-Ying Yu
  • Molded case circuit breaker auxiliary switch unit
    Patent number: 4794356
    Abstract: An integrated protection unit is a circuit breaker which includes basic overcurrent protection facility along with selective electrical accessories. A molded plastic accessory access cover secured to the integrated protection unit cover protects the accessory components contained within the circuit breaker cover from the environment. An auxiliary switch unit is one such accessory component which can be field-installed without affecting the integrity of the circuit breaker overcurrent protection components.
    Type: Grant
    Filed: December 16, 1987
    Date of Patent: December 27, 1988
    Assignee: General Electric Company
    Inventors: Yuet-Ying Yu, Robert A. Morris, Paul T. Rajotte, Lee A. Wambolt
  • Molded case circuit breaker contact arrangement including a spring clip contact arm retainer
    Patent number: 4733033
    Abstract: A molded case circuit breaker movable contact arm or carrier electrically connects with the circuit breaker trip unit or load terminal without requiring a flexible electrical conducting braid. The contact carrier is pivotally arranged within a contact carrier support to which the trip unit or load terminal lug is attached. The contact carrier pivot pin is supported on a pair of parallel posts extending from the contact carrier and a spring clip is positioned around the parallel posts and the pivoting end of the contact carrier to promote good electric transport without interfering with the rotational movement of the contact carrier.
    Type: Grant
    Filed: December 15, 1986
    Date of Patent: March 22, 1988
    Assignee: General Electric Company
    Inventors: Robert A. Morris, James M. Mitsch, Irenaeus S. Panus, Yuet-Ying Yu, Roger N. Castonguay
  • Umbrella-like hat
    Patent number: 4148102
    Abstract: An umbrella-like hat for protection from sun or rain, comprising a plurality of ribs, an upper central hub, a plurality of steel threads, a lower central hub, a plurality of braces, a flexible cover, an upper tubular member, a lower tubular member, a top member, a catch member, and a plug. The hat can be readily collapsed to form a small and easily-stored package when not in use.
    Type: Grant
    Filed: April 24, 1978
    Date of Patent: April 10, 1979
    Assignee: Hypromise Industrial Co., Ltd.
    Inventor: Chen Ying-Yu