Patents by Inventor Alan DWYER

Alan DWYER 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).

  • Plunger and method of manufacturing a plunger
    Patent number: 11577027
    Abstract: A plunger (1) for a medical delivery device comprises: a rod element (2) having a distal end (22) and a proximal end, and a stopper (3) mounted to the rod element (2) at its distal end (22). The rod element (2) has a first form fit structure (24) and the stopper (3) has a second form fit structure (31). The stopper (3) is locked to the rod element (2) by the first form fit structure (24) of the rod element (2) and the second form fit structure (31) of the stopper (3) engaging each other.
    Type: Grant
    Filed: July 9, 2019
    Date of Patent: February 14, 2023
    Assignee: HOFFMANN-LA ROCHE INC.
    Inventors: Maxime Gaillot, Alan Dwyer, Pascal Launois, Julian McDonnell, Eoin Connaughton, Mark Digby Teucher, Jonathan Paul Ridley
  • PLUNGER AND METHOD OF MANUFACTURING A PLUNGER
    Publication number: 20210290852
    Abstract: A plunger (1) for a medical delivery device comprises: a rod element (2) having a distal end (22) and a proximal end, and a stopper (3) mounted to the rod element (2) at its distal end (22). The rod element (2) has a first form fit structure (24) and the stopper (3) has a second form fit structure (31). The stopper (3) is locked to the rod element (2) by the first form fit structure (24) of the rod element (2) and the second form fit structure (31) of the stopper (3) engaging each other.
    Type: Application
    Filed: July 9, 2019
    Publication date: September 23, 2021
    Inventors: Maxime GAILLOT, Alan DWYER, Pascal LAUNOIS, Julian MCDONNELL, Eoin CONNAUGHTON, Mark Digby TEUCHER, Jonathan Paul RIDLEY