Patents by Inventor Robert Huitema

Robert Huitema 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).

  • Publication number: 20180049905
    Abstract: Wearable support structure for at least partly relieving a human body during leaning or bending over, said structure comprising a frame having a chest support for bearing upon a chest of said human body, pivoting arrangements for pivoting the support structure in correspondence with the leaning or bending or the human body, two elongated stays connected to said chest support, provided to extend substantially alongside opposite sides of said human body and connected to said pivoting arrangements, wherein the stays are resilient stays arranged such that they are in a stretched state corresponding with an upright position of said human body when being unloaded, and arranged to be biased back to said stretched state when being bent into a bent state corresponding with a leaning or bending position of said human body, a lumbar support, connected to said pivoting arrangements, and arranged for bearing upon a lumbar area of said human body, and a thigh support, connected to said pivoting arrangements, and arranged f
    Type: Application
    Filed: March 10, 2016
    Publication date: February 22, 2018
    Inventors: Michael Martinus Holscher, Bastiaan Bartjan Maat, Robert Huitema, Boudewijn Martin Wisse
  • Publication number: 20170361501
    Abstract: A nozzle for a three-dimensional printing apparatus, comprising a main nozzle body (2) having an inlet end (4), an outlet end (6) and a central conduit (8) arranged there between, wherein the main nozzle body (2) is made of an electrically non-conductive body material. The main nozzle body (2) is provided with an electrically conductive first layer (10) and/or an electrically non-conductive second layer (12) arranged around the main nozzle body (2).
    Type: Application
    Filed: June 9, 2017
    Publication date: December 21, 2017
    Applicant: Ultimaker B.V.
    Inventors: Erik van der Zalm, Johan Andreas Versteegh, Robert Huitema, Matthijs Neut, Martijn Elserman