Patents by Inventor Marcel Donnet

Marcel Donnet 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: 20240050210
    Abstract: A suction device for suctioning material during a dental treatment, the suction device including a handpiece having a suction aperture to allow passage of suctioned material, an attachment for splatter protection designed for being mounted on the handpiece, the attachment including a mounting section for an exchangeable or a permanent mounting of the attachment to the handpiece, a suction opening for the passage of suctioned material through the suction opening and the suction aperture when the attachment is mounted on the handpiece, and at least a side wall extending from the suction opening and forming a working channel designed to surround a molar, partially or at least two sides of the molar and, in particular, simultaneously to host a dental tool, the channel having at least one introduction section for introduction of a dental tool into the working channel.
    Type: Application
    Filed: February 21, 2022
    Publication date: February 15, 2024
    Inventors: Marcel DONNET, Vincent RENAUD
  • Publication number: 20230331423
    Abstract: A storage device for powder used for treatment of a tooth, including a housing surrounding a storage volume, and a closable opening through which the storage volume is accessible, where the storage device has a tapered shape towards the opening, where within the storage volume a powder is accommodated, and the housing is made of a rigid material.
    Type: Application
    Filed: August 20, 2021
    Publication date: October 19, 2023
    Inventors: Marcel DONNET, Karine SAUVAGEOT-MAXIT
  • Publication number: 20230312183
    Abstract: A dispensing device for dispensing a powder preferably from a closed container, the device including a first side, a second side, a powder passage extending through the device and being configured to transfer powder from the first side to the second side, and a ventilation passage extending through the device and being configured to transfer ambient air from the second side to the first side, where the ventilation passage has a first passage length from the surface of the second side up to its ventilation opening and, the powder passage has a second passage length from the surface of the second side up to its powder opening, where the first passage length is larger than the second passage length.
    Type: Application
    Filed: August 13, 2021
    Publication date: October 5, 2023
    Inventors: Marcel DONNET, Florent BEANI, James CROZIER, Maxime Fournier
  • Publication number: 20230301878
    Abstract: A powder for use in a powder jet device for cleaning tooth surfaces by powder spraying, where the powder comprises at least 90 wt.-% of particles of a first material and 0.1-10 wt.-% of a second material, where the second material is coated on a surface of the particles of the first material and a solubility of the first material in water is ?1 g/L.
    Type: Application
    Filed: August 10, 2021
    Publication date: September 28, 2023
    Inventors: Marcel DONNET, Simone GATTI, Oliver Martin ANTON
  • Publication number: 20230149284
    Abstract: The invention relates to the use of a powder in a powder jet device for cleaning tooth surfaces by powder spraying, wherein the powder comprises cyclodextrin. The invention also relates to a process for cleaning tooth surfaces with a powder jet device, wherein the powder comprises cyclodextrin and the invention relates to a powder or powder mixture for use in a powder jet device, wherein the powder or powder mixture comprises cyclodextrin.
    Type: Application
    Filed: February 17, 2021
    Publication date: May 18, 2023
    Inventors: Marcel DONNET, Simone GATTI, Qin ZHANG
  • Patent number: 11633258
    Abstract: A powder chamber, in particular for powder polishing devices, including a casing and two functional sectors, whereby the two functional sectors are arranged to be opposite to each other, and whereby at least one functional sector is designed to provide an opening for a working medium such as air or a mixture of powder and air, and whereby the two functional sectors are designed to allow the powder chamber to be locked. The two functional sectors are preferably arranged along an axis and are rotationally symmetric.
    Type: Grant
    Filed: February 3, 2017
    Date of Patent: April 25, 2023
    Assignee: FERTON HOLDING S.A.
    Inventors: Etienne Lebreton, Florent Jean-Claude Georges Beani, Bertolote Tiago, Marcel Donnet
  • Publication number: 20220401334
    Abstract: The invention relates to the use of a powder in a powder jet device for cleaning tooth surfaces by powder spraying, wherein the powder comprises rhamnose and/or arabinose. The invention also relates to a process for cleaning tooth surfaces with a powder jet device, wherein a powder comprising rhamnose and/or arabinose is used.
    Type: Application
    Filed: November 25, 2020
    Publication date: December 22, 2022
    Inventors: Marcel DONNET, Simone GATTI
  • Publication number: 20220370305
    Abstract: The invention relates to a powder for use in a powder jet device for cleaning teeth, wherein the powder comprises granules having an average particle size of 20 ?m to 220 ?m and the granules comprise primary particles and a binder, wherein the primary particles have an average particle size smaller than the average particle size of the granules. The invention also relates to a process for preparing the powder and the use of the powder for cleaning teeth.
    Type: Application
    Filed: September 24, 2020
    Publication date: November 24, 2022
    Inventors: Marcel DONNET, Simone GATTI
  • Patent number: 11413115
    Abstract: Teeth cleaning system, in particular dental powder jet cleaning system, including a powder container having an inlet for compressed air, and where the powder container has an outlet for a powder/air mixture, and where the outlet communicates with a pipe system via which a fluid is passed, in particular a powder/air mixture which is formed in the powder container and from which powder container can be led, where a flow resistance of the inlet is configured relative to a flow resistance of the outlet and/or of the pipepipe system in such a way that a predetermined pressure loss is set across the inlet.
    Type: Grant
    Filed: September 12, 2017
    Date of Patent: August 16, 2022
    Assignee: FERTON HOLDING S.A.
    Inventors: Etienne Lebreton, Florent Jean-Claude Georges Beani, Tiago Bertolote, Marcel Donnet
  • Patent number: 11406475
    Abstract: A powder chamber, especially for or of a dental powder jet apparatus, including at least one conductive region, which is electrically conductive, where the at least one conductive region includes a contact surface, which is formed within the powder chamber.
    Type: Grant
    Filed: February 3, 2017
    Date of Patent: August 9, 2022
    Assignee: FERTON HOLDING S.A.
    Inventor: Marcel Donnet
  • Patent number: 11399916
    Abstract: A mixing chamber for a handpiece of a medical device, in particular a dental abrasive jet device, having a first supply line for a first fluid stream, in particular a liquid fluid flow, and a second supply line for a second fluid flow, in particular a powder/air mixture, where the two supply lines extend along a central axis and the second supply line-ends within the mixing chamber in an outlet the mixing chamber having a mixing region, in which the first fluid flow is deflected towards the second fluid flow, downstream of the outlet, and an accelerating region in which the first supply line extends parallel to the second supply line over the length of at least 3 mm.
    Type: Grant
    Filed: December 5, 2017
    Date of Patent: August 2, 2022
    Assignee: FERTON HOLDING S.A.
    Inventors: Marcel Donnet, Rigolet Guillaume
  • Publication number: 20220133434
    Abstract: A nozzle element (1) for a dental treatment device, in particular for a dental treatment device intended for a subgingival cleaning of at least a part of a surface of a root of a tooth (3), comprising: a basic body (2) being elongated in a longitudinal direction (L) and configured to be introduced at least partially into a periodontal pocket (7) a first feed channel (10) for transporting a powder-gas-mixture (12), wherein said first feed channel (10) is incorporated inside the basic body (2), a first outlet opening (11) of said first feed channel (10) in an end region (E) of the elongated basic body (2) for ejecting the powder-gas-mixture (12), wherein said first outlet opening (11) is preferably configured for a lateral ejection of the powder-gas-mixture (12) in a first ejection (E1) direction being slanted relative to the longitudinal direction (L), wherein the nozzle element (1) is configured for providing at least a part of at least one pressure relief channel at the end region (E) of the basic body (2).
    Type: Application
    Filed: March 4, 2020
    Publication date: May 5, 2022
    Inventors: Florent BEANI, Tiago BERTOLOTE, Marcel DONNET, Maxime FOURNIER, Etienne LEBRETON
  • Patent number: 11197746
    Abstract: The present invention relates to a powder mixture, in particular for the remineralization of teeth, a powder jet device, in particular for application in the field of dentistry, a use of the powder mixture for producing a means for the remineralization of teeth 5 and to a method for the remineralization of teeth, and a use of a powder mixture in a dental apparatus. The powder mixture comprises a deposition powder which is designed to adhere to tooth surfaces.
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: December 14, 2021
    Assignee: Ferton Holding S.A.
    Inventor: Marcel Donnet
  • Publication number: 20210275280
    Abstract: Teeth cleaning system, in particular dental powder jet cleaning system, including a powder container having an inlet for compressed air, and where the powder container has an outlet for a powder/air mixture, and where the outlet communicates with a pipe system via which a fluid is passed, in particular a powder/air mixture which is formed in the powder container and from which powder container can be led, where a flow resistance of the inlet is configured relative to a flow resistance of the outlet and/or of the pipepipe system in such a way that a predetermined pressure loss is set across the inlet.
    Type: Application
    Filed: September 12, 2017
    Publication date: September 9, 2021
    Inventors: Etienne Lebreton, Florent Jean-Claude Georges Beani, Tiago Bertolote, Marcel Donnet
  • Publication number: 20210276152
    Abstract: Nozzle system for a powder blasting device including a first nozzle element for transporting a powder-gas mixture stream along a transporting direction and a second nozzle element, where the second nozzle element surrounds the first nozzle element such that at least one channel is formed between the first nozzle element and the second nozzle element, where the channel is provided for transporting a liquid stream, where the first nozzle element and the second nozzle element are arranged such that in operation the powder-gas-mixture stream ejected by the first nozzle element is encased by the liquid stream ejected by the channel for forming an output stream of the nozzle system, where the first nozzle element has an acceleration part having a first cross section and a spreading part having a second cross section, where the spreading part is arranged downstream of the acceleration part.
    Type: Application
    Filed: August 7, 2019
    Publication date: September 9, 2021
    Inventors: Florent BEANI, Marcel DONNET, Maxime FOURNIER, Karine SAUVAGEOT-MAXIT, Patrick PICHAT, Tiago BERTOLOTE
  • Patent number: 11109943
    Abstract: A powder-blasting device for cleaning the surfaces of teeth via application with a powder-gas mixture, including a stationary unit having a connection region for a mixing chamber for producing the powder-gas mixture, a hand part having a nozzle device for blasting the powder-gas mixture onto a surface of a tooth, and a joining unit for joining the hand part to the stationary unit wherein the joining unit has at least one joining guide between the stationary unit and the hand part, and wherein a tube section that can be blocked via elastic deformation is arranged in a powder-gas line between the mixing chamber and the nozzle device, wherein the joining unit is detachably joined to the stationary unit and the lockable tube section is arranged in the detachable joining unit.
    Type: Grant
    Filed: March 3, 2016
    Date of Patent: September 7, 2021
    Assignee: FERTON HOLDING S.A.
    Inventors: Etienne Lebreton, Martin Limon, Florent Jean-Claude Georges Beani, Pierre Fridez, Marcel Donnet
  • Publication number: 20210177542
    Abstract: A powder for cleaning an internal body part and/or an implant, in particular by means of a powder jet device, wherein the powder is sterile as a result of a sterilizing process.
    Type: Application
    Filed: April 3, 2018
    Publication date: June 17, 2021
    Inventor: Marcel DONNET
  • Patent number: 10751674
    Abstract: The mixing device for mixing a powder with a pressurized gas, comprising a mixing chamber (20) with an inlet area (22), which has at least one inlet opening (24), by way of which powder and/or pressurized gas and/or a mixture thereof may be introduced into the mixing chamber (20), and at least one outlet area (26), which is designed for withdrawing from the mixing chamber (20) a main flow (HR) of a gas or powder or a powder and gas mixture directed along the mixing chamber (20) which essentially extends from the inlet area (22) to the outlet area (26), characterized in that a regulating device (10) is arranged along and/or in continuation of the main flow (HR), regulating the main flow (HR) of the gas or powder or powder and gas mixture.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: August 25, 2020
    Assignee: FERTON HOLDING S.A.
    Inventor: Marcel Donnet
  • Publication number: 20200107997
    Abstract: The present invention relates to a powder mixture, in particular for the remineralization of teeth, a powder jet device, in particular for application in the field of dentistry, a use of the powder mixture for producing a means for the remineralization of teeth 5 and to a method for the remineralization of teeth, and a use of a powder mixture in a dental apparatus. The powder mixture comprises a deposition powder which is designed to adhere to tooth surfaces.
    Type: Application
    Filed: December 4, 2019
    Publication date: April 9, 2020
    Inventor: Marcel DONNET
  • Patent number: 10596076
    Abstract: The present invention relates to a powder mixture, in particular for the remineralization of teeth, a powder jet device, in particular for application in the field of dentistry, a use of the powder mixture for producing a means for the remineralization of teeth and to a method for the remineralization of teeth, and a use of a powder mixture in a dental apparatus. The powder mixture comprises a deposition powder which is designed to adhere to tooth surfaces.
    Type: Grant
    Filed: September 2, 2014
    Date of Patent: March 24, 2020
    Assignee: Ferton Holding S.A., Inc.
    Inventor: Marcel Donnet