Patents by Inventor Chris Engst

Chris Engst 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).

  • Pill crusher
    Patent number: 7427041
    Abstract: A pill crusher has a paper cup receptacle having an upwardly open, frusto-conical recess for receiving a paper cup, a plunger having a frusto-conical shape complimentary to that of the recess, the plunger being above and coaxial with the recess, an electric motor and a reciprocating drive transmission between the electric motor and the plunger for displacing the plunger into and out of the recess. The reciprocatory drive transmission comprises a worm and nut drive transmission for rotating the plunger while displacing the plunger into the receptacle. A drive control connected to the electric motor controls the motor so as to displace the plunger into and out of the recess.
    Type: Grant
    Filed: November 3, 2004
    Date of Patent: September 23, 2008
    Assignee: Occupational Health and Safety Agency for Healthcare in British Columbia
    Inventors: Rick Hall, Dan Robince, Chris Engst, Chris Back, Brian Keene, Matt Graig, Emie Janzen
  • Pill crusher
    Publication number: 20060088422
    Abstract: A pill crusher has a paper cup receptacle having an upwardly open, frusto-conical recess for receiving a paper cup, a plunger having a frusto-conical shape complimentary to that of the recess, the plunger being above and coaxial with the recess, an electric motor and a reciprocating drive transmission between the electric motor and the plunger for displacing the plunger into and out of the recess. The reciprocatory drive transmission comprises a worm and nut drive transmission for rotating the plunger while displacing the plunger into the receptacle. A drive control connected to the electric motor controls the motor so as to displace the plunger into and out of the recess.
    Type: Application
    Filed: November 3, 2004
    Publication date: April 27, 2006
    Inventors: Rick Hall, Dan Robince, Chris Engst, Chris Back, Brian Keene, Matt Graig, Emie Janzen