Patents by Inventor Nimrod T. Chapel

Nimrod T. Chapel 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: 4438977
    Abstract: An apparatus for removing material from a surface so that the removed material will not escape into the ambient environment is disclosed. The present invention includes a coagulant-applying mechanism for spraying a coating of coagulant on the material to be removed. Also included is a cutter head assembly which is moved along the surface for scraping the material therefrom. So that the scraped, coagulated material may be safely withdrawn to a storage receptacle, the present invention also includes a mechanism which withdraws the loosened, coagulated particles from the cutter head assembly.
    Type: Grant
    Filed: May 18, 1981
    Date of Patent: March 27, 1984
    Inventor: Nimrod T. Chapel
  • Patent number: 4383451
    Abstract: An apparatus and method for removing material from a surface so that the removed material will not escape into the ambient environment are disclosed. The present invention includes a coagulant-applying mechanism for spraying a coating of coagulant on the material to be removed. Also included is a cutter head assembly which is moved along the surface for scraping the material therefrom. So that the scraped, coagulated material may be safely withdrawn to a storage receptacle, the present invention also includes a mechanism which withdraws the loosened, coagulated particles from the cutter head assembly. The system of the present invention incorporating these elements also includes a sampling container for extracting and storing a portion of the subject material for examination thereof.
    Type: Grant
    Filed: April 10, 1981
    Date of Patent: May 17, 1983
    Inventor: Nimrod T. Chapel
  • Patent number: 4274676
    Abstract: An apparatus and method for removing material from a surface so that the removed material will not escape into the ambient environment are disclosed. The present invention includes a coagulant-applying mechanism for spraying a coating of coagulant on the material to be removed. Also included is a cutter head assembly which is moved along the surface for scraping the material therefrom. So that the scraped, coagulated material may be safely withdrawn to a storage receptacle, the present invention also includes a mechanism which withdraws the loosened, coagulated particles from the cutter head assembly. The system of the present invention incorporating these elements also includes a sampling container for extracting and storing a portion of the subject material for examination thereof.
    Type: Grant
    Filed: January 18, 1980
    Date of Patent: June 23, 1981
    Inventor: Nimrod T. Chapel