Patents by Inventor Robert Allan Erb

Robert Allan Erb 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).

  • Unitary solar collector
    Patent number: 4114597
    Abstract: A unitary solar collector for transfer of thermal energy which is a synthetic thermoplastic unit. The unit has a solar-energy transmitting region and a solar-energy absorbing region. The unit is useful for heating purposes.
    Type: Grant
    Filed: December 31, 1975
    Date of Patent: September 19, 1978
    Assignee: The Franklin Institute
    Inventor: Robert Allan Erb
  • Device for recording temperature minimums
    Patent number: 4028944
    Abstract: A device for recording a drop in temperature below a pre-selected temperature minimum. The device provides a permanent record of the drop in temperature. The device is reuseable.
    Type: Grant
    Filed: October 31, 1975
    Date of Patent: June 14, 1977
    Assignee: The Franklin Institute
    Inventor: Robert Allan Erb
  • Method of forming a removable cervical cap
    Patent number: 4007249
    Abstract: A removable elastomeric cervical cap includes a thin-walled cap-shaped member having the same shape as the exocervix and having an inside surface conforming identically to the exocervix surface. The method includes expanding the vaginal wall to substantially expose the exocervix surface. A layer of a liquid self-curing elastomeric material is then applied to only the exocervix surface, the inner surface of the layer conforming identically to the surface without distorting the surface. The liquid elastomeric material is then permitted to solidify.
    Type: Grant
    Filed: July 15, 1974
    Date of Patent: February 8, 1977
    Assignee: The Franklin Institute Research Laboratories
    Inventor: Robert Allan Erb