Patents by Inventor Daniel Burks

Daniel Burks 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).

  • Composition, its use and a process for selectively etching silicon-germanium material
    Patent number: 11970647
    Abstract: Described herein is a composition for selectively etching a layer including a silicon germanium alloy (SiGe) in the presence of a silicon-containing layer, particularly a layer comprising a-Si, SiOx, SiON, SiN, or a combination thereof, the composition including: (a) an oxidizing agent, (b) an acid selected from an inorganic acid and an organic acid, (c) an etchant including a source of fluoride ions, (d) a polyvinylpyrrolidone (PVP), and (e) water.
    Type: Grant
    Filed: June 19, 2020
    Date of Patent: April 30, 2024
    Assignee: BASF SE
    Inventors: Francisco Javier Lopez Villanueva, Yeni Burk, Daniel Loeffler, Jan Ole Mueller, Marcel Brill, Patrick Wilke, Jean-Pierre Berkan Lindner, Volodymyr Boyko
  • Manure fork head
    Patent number: D584583
    Type: Grant
    Filed: January 11, 2008
    Date of Patent: January 13, 2009
    Assignee: Stallbooger Aluminum Pitchforks, LLC
    Inventor: Daniel Burks