Patents by Inventor Frank Bartels

Frank Bartels 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).

  • Patent number: 12629484
    Abstract: An inhalation device for providing a particularly high pressure for nebulization. The inhalation device can include a housing, a reservoir, a pumping unit adapted to receive the delivery of mechanical energy to the pumping unit, and a nozzle. The pumping unit can also include a hollow cylindrical part and a piston, the cylindrical part having an interior space with a defined first cross section configured to receive an upstream end portion of the piston, wherein the cylindrical part and the piston are linearly moveable relative to one another such as to form a pumping chamber having a variable volume.
    Type: Grant
    Filed: August 7, 2019
    Date of Patent: May 19, 2026
    Inventors: Frank Bartels, Juergen Rawert
  • Publication number: 20260108385
    Abstract: The device (1) for wetting the eye (2) with a liquid (F) comprises a reservoir (3) for storage of the liquid (F), a dispensing device (4) which is feedable from said reservoir (3) and which is orientable to the eye (2), and a triggering device (5) which activates same. The device (1) comprises a means for sensing (6) of a suitable position of the dispensing device (4) in relation to the eye (2) for wetting. The method for wetting the eye (2) with a liquid (F) comprises the step of continuously detecting the position of a dispensing device (4) designed to withdraw a liquid (F) from a reservoir (3) and to use it for wetting the eye (2). A means for sensing (6) transmits a signal when a suitable position of the dispensing device (4) in relation to the eye (2) for wetting has been sensed.
    Type: Application
    Filed: June 27, 2023
    Publication date: April 23, 2026
    Inventors: Frank Bartels, Juergen Rawert
  • Patent number: 12576218
    Abstract: A valve for an inhalation device for generation of an aerosol of a medically active liquid may include: a housing, inside this housing a reservoir for storing medically active liquid, downstream from this reservoir a pumping unit for generation of a pressure connected to a means for the delivery of mechanical energy to said pumping unit, and downstream said pumping unit a nozzle; wherein the pumping unit includes a hollow cylindrical part and a piston, the cylindrical part having an interior space configured to receive an end portion of said piston, wherein said cylindrical part and said piston are linearly moveable relative to one another such as to form a pumping chamber having a variable volume.
    Type: Grant
    Filed: April 14, 2020
    Date of Patent: March 17, 2026
    Assignee: INVOX BELGIUM NV
    Inventors: Frank Bartels, Juergen Rawert
  • Publication number: 20260061144
    Abstract: An inhalation device for medically active liquids for generation of an aerosol comprises a housing, inside this housing a reservoir for storing a liquid, a pumping device with a pumping chamber for generation of a pressure inside said pumping chamber, wherein the pumping chamber is fluidically connected with the reservoir via a check valve which blocks in direction of the reservoir, a riser pipe which can be received with at least one reservoir-facing, interior end in said pumping chamber, and a nozzle which is connected liquid-tight to an exterior end of the riser pipe, wherein the interior volume of the pumping chamber is changeable by means of relative motion to the riser pipe, and wherein the riser pipe is immobile and firmly attached to the housing or to the nozzle, and the pumping chamber is moveable relative to the housing or to the nozzle.
    Type: Application
    Filed: September 4, 2025
    Publication date: March 5, 2026
    Inventors: Frank Bartels, Jürgen RAWERT
  • Publication number: 20260034315
    Abstract: The invention provides a microfluidic device (1), specifically a nozzle for an inhalation device, comprising at least two microfluidic structures (2A, 2A?), each of said structures (2A, 2A?) is located at a front end (1B) of the microfluidic device; characterized in that the microfluidic device (1) is made at least in part from a mono-crystalline material and wherein said front end (1B) of the microfluidic device (1) and the microfluidic structures (2A, 2A?) are aligned with the crystal orientation line and methods producing said devices and uses thereof.
    Type: Application
    Filed: July 27, 2023
    Publication date: February 5, 2026
    Inventor: Frank BARTELS
  • Patent number: 12502493
    Abstract: The inhalation device for medically active liquids (F) for generation of an aerosol comprises a housing (1), a reservoir (2), a pumping device with a pumping chamber (3), and a nozzle (6), wherein the interior volume of the pumping chamber (3) is changeable by means of linear relative motion of the pumping chamber to the riser pipe (5). Said linear relative motion can be effected by a relative rotation of a rotatable part (1A) which is part of, or connected to, the housing (1) with respect to a second part (1B) of said housing (1), in that said relative rotation can be transferred by means of a gear mechanism into said relative translational motion. A means for the storage of potential energy (7) is provided which is chargeable by means of said relative rotation, and wherein said energy is releasable to said pumping device when released by activation of a release means.
    Type: Grant
    Filed: June 20, 2023
    Date of Patent: December 23, 2025
    Assignee: INVOX BELGIUM NV
    Inventors: Frank Bartels, Juergen Rawert
  • Patent number: 12496412
    Abstract: The invention relates to the field of inhalation devices for liquids. In particular, the invention relates to an improved seal construction for an inhalation device having a nebulizing nozzle and a piston which moves relative to a pumping chamber in order to generate pumping pressure and to an inhalation device comprising such seal.
    Type: Grant
    Filed: September 18, 2023
    Date of Patent: December 16, 2025
    Assignee: INVOX BELGIUM NV
    Inventors: Frank Bartels, Juergen Rawert
  • Patent number: 12478748
    Abstract: The invention relates to the field of inhalation methods and inhalation devices for liquids. In particular, the invention relates to an inhalation method using an inhalation device adapted to separately eject at least two liquid compositions each having different properties, and to a method for the generation of an aerosol of at least two medicinal formulations by means of such inhalation device.
    Type: Grant
    Filed: March 29, 2021
    Date of Patent: November 25, 2025
    Assignee: INVOX BELGIUM NV
    Inventors: Juergen Rawert, Frank Bartels, Steven Dudley
  • Patent number: 12434022
    Abstract: The invention relates to the field of inhalation devices for liquids. In particular, the invention relates to an inhalation device having improved flow characteristics.
    Type: Grant
    Filed: February 27, 2023
    Date of Patent: October 7, 2025
    Assignee: INVOX BELGIUM NV
    Inventors: Frank Bartels, Jürgen Rawert
  • Patent number: 12318534
    Abstract: The invention relates to the field of nozzles for inhalation devices for liquids. In particular, the invention relates to a nebulizing nozzle for an inhalation device, suitable for the generation of an aerosol of a medically active liquid, and to inhalation devices comprising such nozzle. Such nozzle (1) for an inhalation device for medically active liquids (F, F1, F2) for generation of an aerosol has a main axis (Z) and at least three ejection channels (1A, 1B, 1C, 1D) adapted to eject liquid (F, F1, F2) along respective ejection trajectories, wherein at least two collision points (X1, X2) are provided at which at least two of said ejection trajectories intersect with one another, and/or wherein further, all ejection angles (A, A1, A2) at which the individual trajectories leave the nozzle (1) are identical, or at least one of said ejection angles (A, A1, A2) differs from the other ejection angles (A, A1, A2).
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: June 3, 2025
    Assignee: INVOX BELGIUM NV
    Inventors: Frank Bartels, Jürgen Rawert
  • Publication number: 20250152860
    Abstract: The invention relates to the field of inhalation devices for liquids. In particular, the invention relates to a liquid emission mechanism for an inhalation device, as well as a method of emitting a liquid from an inhalation device.
    Type: Application
    Filed: November 21, 2024
    Publication date: May 15, 2025
    Inventors: Frank Bartels, Juergen Rawert
  • Publication number: 20250090770
    Abstract: The invention relates to the field of inhalation devices for liquids. In particular, the invention relates to a nebulizing nozzle to be used in such an inhalation device, as well as a method for fabrication of such a nozzle. A nozzle for an inhalation device for nebulizing a liquid into a respirable aerosol has a nozzle body (1) which has a front end (1B) and which comprises at least two ejection channels (2, 2?), each channel (2, 2?) having an channel exit (2A, 2A?), wherein the ejection channels (2, 2?) are arranged such as to eject liquid along respective ejection trajectories which intersect with one another at a collision point. The nozzle is characterized in that at least one recess (3) is provided at the front end (1B) in which the channel exits (2A, 2A?) are positioned.
    Type: Application
    Filed: December 4, 2024
    Publication date: March 20, 2025
    Inventors: Juergen Rawert, Frank Bartels
  • Patent number: 12194225
    Abstract: The invention relates to the field of inhalation devices for liquids. In particular, the invention relates to a nebulizing nozzle to be used in such an inhalation device, as well as a method for fabrication of such a nozzle. A nozzle for an inhalation device for nebulizing a liquid into a respirable aerosol has a nozzle body (1) which has a front end (1B) and which comprises at least two ejection channels (2, 2?), each channel (2, 2?) having an channel exit (2A, 2A?), wherein the ejection channels (2, 2?) are arranged such as to eject liquid along respective ejection trajectories which intersect with one another at a collision point. The nozzle is characterized in that at least one recess (3) is provided at the front end (1B) in which the channel exits (2A, 2A?) are positioned.
    Type: Grant
    Filed: March 19, 2019
    Date of Patent: January 14, 2025
    Assignee: INVOX BELGIUM NV
    Inventors: Juergen Rawert, Frank Bartels
  • Patent number: 12186478
    Abstract: The invention relates to the field of inhalation devices for liquids. In particular, the invention relates to a fixture for a nebulizing nozzle to be used in such an inhalation device. A nozzle fixing assembly (1) for an inhalation device, comprising an elastically deformable seal element (2), having a continuous opening (3) capable of receiving a nozzle body (4), said seal element (2) and said nozzle body (4) each having a high pressure side (2A, 4A) and an outlet side (2B, 4B); and a pressure element (5) with a high pressure side (5A), said side being arranged to face the high pressure side (2A) of the seal element (2); wherein (i) the high pressure side (2A) of the seal element (2) is substantially flat, and (ii) the high pressure side (5A) of the pressure element (5) is chamfered in a way that, in the assembled state, the distance between these high pressure sides (2A, 5A) is higher in a central region (C) than in a peripheral region (P).
    Type: Grant
    Filed: November 26, 2018
    Date of Patent: January 7, 2025
    Assignee: INVOX BELGIUM NV
    Inventors: Frank Bartels, Jürgen Rawert
  • Patent number: 12178956
    Abstract: An inhalation device including a housing; a reservoir for storing a liquid; a pumping unit including a riser pipe; a hollow cylindrical part having an interior space and being linearly moveable on the riser pipe, the pumping chamber fluidically connected with the reservoir; a nozzle connected liquid-tight to a downstream end portion of the riser pipe; wherein the linear relative motion can be effected by a relative rotation around a rotational axis of a rotatable part with respect to a counterpart converting the relative rotation into the linear relative motion by a gear mechanism comprising at least one cam surface having a first section and a second section, a spring for the storage of potential energy, wherein the cam surface has, between the first section and the second section, a third section of constant height upon which no linear relative motion occurs while the counterpart slides along it.
    Type: Grant
    Filed: July 12, 2019
    Date of Patent: December 31, 2024
    Assignee: INVOX BELGIUM NV
    Inventors: Frank Bartels, Juergen Rawert
  • Publication number: 20240424229
    Abstract: The invention relates to the field of inhalation methods and inhalation devices for liquids. In particular, the invention relates to an inhalation method using an inhalation device having a nebulizing nozzle, and to a method for the generation of an aerosol of an aqueous formulation comprising pirfenidone by means of such inhalation device.
    Type: Application
    Filed: June 28, 2024
    Publication date: December 26, 2024
    Inventors: Frank BARTELS, Jürgen RAWERT
  • Patent number: 12076480
    Abstract: The invention relates to the field of inhalation devices for liquids. In particular, the invention relates to an inhalation device having a nebulizing nozzle, and to a method for the generation of an aerosol of a medically active liquid by means of such inhalation device.
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: September 3, 2024
    Assignee: INVOX BELGIUM NV
    Inventors: Frank Bartels, Jürgen Rawert
  • Patent number: 12048801
    Abstract: The invention relates to the field of inhalation methods and inhalation devices for liquids. In particular, the invention relates to an inhalation method using an inhalation device having a nebulizing nozzle, and to a method for the generation of an aerosol of an aqueous formulation comprising pirfenidone by means of such inhalation device.
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: July 30, 2024
    Assignee: INVOX BELGIUM NV
    Inventors: Frank Bartels, Jürgen Rawert
  • Publication number: 20240075218
    Abstract: The invention relates to the field of inhalation devices for liquids. In particular, the invention relates to an improved seal construction for an inhalation device having a nebulizing nozzle and a piston which moves relative to a pumping chamber in order to generate pumping pressure and to an inhalation device comprising such seal.
    Type: Application
    Filed: September 18, 2023
    Publication date: March 7, 2024
    Inventors: Frank Bartels, Juergen Rawert
  • Publication number: 20240050732
    Abstract: The invention relates to a valve, in particular for a device for administering a liquid medicament, with a valve body (1) which has an interior (2) for receiving a liquid (20), wherein the valve body (1) has a liquid inlet (3) and an opposite liquid outlet (4) which both open into the interior (2), wherein the interior (2) accommodates a large number of micro channels (5) which extend in connection direction (x) between the liquid inlet (3) and the liquid outlet (4). A corresponding device for administering a liquid medicament is also described.
    Type: Application
    Filed: October 23, 2023
    Publication date: February 15, 2024
    Inventors: Frank BARTELS, Jurgen Rawert