Patents by Inventor Denis Wagner

Denis Wagner 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).

  • Process of extraction of a platinum group metal or gold from organic compositions with surfactants
    Patent number: 10752976
    Abstract: The present invention is in the field of surfactants to extract a platinum group metal or gold, in particular palladium, from organic compositions. In particular, the invention concerns the use of surfactants to back-extract a platinum group metal or gold, in particular palladium, from organic compositions further comprising an extractant of said platinum group metal or gold, in particular palladium from an aqueous solution.
    Type: Grant
    Filed: May 19, 2017
    Date of Patent: August 25, 2020
    Assignees: Universite de Strasbourg, Centre National de la Recherche Scientifique, Avignon Universite, Comissariat a l'Energie Atomique et aux Energies Alternatives
    Inventors: Frédéric Jean-Jacques Bihel, Damien Bourgeois, Stéphane Desgranges, Daniel Meyer, Christiane Contino-Pepin, Martine Schmitt, Patrick Hervé Denis Wagner
  • Use of Surfactants to Extract a Platinum Group Metal or Gold from Organic Compositions
    Publication number: 20190316223
    Abstract: The present invention is in the field of surfactants to extract a platinum group metal or gold, in particular palladium, from organic compositions. In particular, the invention concerns the use of surfactants to back-extract a platinum group metal or gold, in particular palladium, from organic compositions further comprising an extractant of said platinum group metal or gold, in particular palladium from an aqueous solution.
    Type: Application
    Filed: May 19, 2017
    Publication date: October 17, 2019
    Applicants: Centre National de la Recherche Scientifique, Universite d'Avignon et des Pays de Vaucluse, Universite de Strasbourg, Commissariat a l'Energie Atomique et aux Energies Alternatives, Ecole Nationale Superieure de Chimie de Montpellier, Universite de Montpellier
    Inventors: Frédéric Jean-Jacques Bihel, Damien Bourgeois, Stéphane Desgranges, Daniel Meyer, Christiane Contino-Pepin, Martine Schmitt, Patrick Hervé Denis Wagner
  • DRIVE SYSTEM FOR ELEVATOR CAR ROOF
    Publication number: 20080149429
    Abstract: A method for carrying out maintenance and inspection operations at an elevator installation with an elevator car having a lowerable car roof that serves as maintenance platform, comprises at least the following steps: positioning the elevator car at a selected floor and opening the elevator doors; lowering the car roof into the elevator car to work level; climbing of the maintenance person with the help of climbing equipment from the selected floor through the elevator doors onto the lowered car roof, closing the elevator doors; and moving the elevator car to maintenance positions.
    Type: Application
    Filed: February 29, 2008
    Publication date: June 26, 2008
    Inventors: Mario Fernandes, Emmanuel Kolb, Denis Sittler, Denis Wagner
  • Elevator Car with Maintenance Platform and Method for Maintenance of the Elevator Installation
    Publication number: 20070056809
    Abstract: An elevator car has a car roof which can be lowered into the passenger compartment by means of a drive device and in the lowered position serves as a platform for the maintenance personnel for the performance of maintenance and checking operations. The drive device actuates several Bowden pulls.
    Type: Application
    Filed: August 29, 2006
    Publication date: March 15, 2007
    Applicant: INVENTIO AG
    Inventors: Mario Fernandes, Emmanuel Kolb, Denis Sittler, Denis Wagner
  • Method for Carrying Out Maintenance and Inspection Operations at an Elevator Installation
    Publication number: 20070056810
    Abstract: A method for carrying out maintenance and inspection operations at an elevator installation with an elevator car having a lowerable car roof that serves as maintenance platform, comprises at least the following steps: positioning the elevator car at a selected floor and opening the elevator doors; lowering the car roof into the elevator car to work level; climbing of the maintenance person with the help of climbing equipment from the selected floor through the elevator doors onto the lowered car roof; closing the elevator doors; and moving the elevator car to maintenance positions.
    Type: Application
    Filed: August 29, 2006
    Publication date: March 15, 2007
    Applicant: INVENTIO AG
    Inventors: Mario Fernandes, Emmanuel Kolb, Denis Sittler, Denis Wagner