Patents by Inventor M. Lana Sheer

M. Lana Sheer 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).

  • Inserts encapsulated with a thermoplastic sheet material via compression molding
    Patent number: 5688575
    Abstract: This invention relates to metal-containing inserts, such as transformers, that are encapsulated, via compression molding processes, with at least one wet lay thermoplastic sheet material and that do not experience significant visible cracking during heat cycling.
    Type: Grant
    Filed: October 21, 1996
    Date of Patent: November 18, 1997
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: M. Lana Sheer, Lloyd Fox, John Carl Solenberger
  • Process for encapsulating inserts with wet-laid material via compression molding
    Patent number: 5419864
    Abstract: A compression molding process for encapsulating a metal-containing insert with at least one layer of a thermoplastic sheet prepared via a wet lay process.
    Type: Grant
    Filed: September 7, 1993
    Date of Patent: May 30, 1995
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: M. Lana Sheer, Lloyd Fox, John C. Solenberger
  • Article of manufacture
    Patent number: 5338602
    Abstract: An encapsulated electrical or electronic device having a first layer of electrically insulating material which is then covered by another layer filled with a thermally conductive material such as mesophase pitch based carbon fibers or graphite particles. Both layers are of the same base resin.
    Type: Grant
    Filed: April 30, 1993
    Date of Patent: August 16, 1994
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: M. Lana Sheer, John C. Solenberger
  • Article of manufacture
    Patent number: 5236779
    Abstract: An encapsulated electrical or electronic device having a first layer of electrically insulating material which is then covered by another layer filled with thermally conductive fibers such as mesophase pitch based carbon fibers. Both layers are of the same base resin.
    Type: Grant
    Filed: August 21, 1991
    Date of Patent: August 17, 1993
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: M. Lana Sheer, John C. Solenberger
  • Process for manufacturing a polymeric encapsulated transformer
    Patent number: 5036580
    Abstract: A process for manufacturing a polymeric encapsulated "E" core transformer, a polymeric encapsulated "C" core transformer, and a polymeric encapsulated toroidal shaped transformer, said process requiring considerably less time to complete than do conventional transformer manufacturing processes.
    Type: Grant
    Filed: September 21, 1990
    Date of Patent: August 6, 1991
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Lloyd Fox, M. Lana Sheer
  • Composite coil forms for electrical systems
    Patent number: 4944975
    Abstract: An electrical coil form having a UL 1446 rating greater than 200.degree. C. is formed from either a thermoplastic or thermosetting resin material reinforced with continuous or long chopped or stretch broken aramid or glass fibers or aramid paper.
    Type: Grant
    Filed: October 3, 1988
    Date of Patent: July 31, 1990
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: M. Lana Sheer
  • Polybutylene terephthalate molding blends
    Patent number: 4317764
    Abstract: A polybutylene terephthalate homopolymer or copolymer molding blend having good impact resistance is obtained by incorporating into the resin a selected organic compound and an ethylene polymer.
    Type: Grant
    Filed: April 10, 1981
    Date of Patent: March 2, 1982
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: M. Lana Sheer