Patents by Inventor Frederic Marchal

Frederic Marchal 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: 12649974
    Abstract: A system comprising an electrolyser stack connected to a water/gas separation vessel, via an inlet and an outlet pipes, wherein the separation vessel is adapted to passively separate the water and gas; the separation vessel contains a heat exchanger; and the separation vessel is constructed from a polymer material.
    Type: Grant
    Filed: January 18, 2021
    Date of Patent: June 9, 2026
    Assignee: ITM Power (Trading) Limited
    Inventor: Frederic Marchal
  • Publication number: 20250345549
    Abstract: The invention relates to an apparatus (1) for delivering NO-containing gas, comprising an internal gas circuit (200) with flowrate control means (220, 230, 240) for controlling the flow of gas, in particular a proportional solenoid valve (220) and a flowrate measurement device (230). Operating means (210) cooperate with the flowrate control means (220, 230, 240) to authorize, prohibit or adjust the flowrate of gas within the gas circuit (200). The flowrate measurement device (230) comprises a bidirectional flowrate sensor configured to perform positive and negative flowrate measurements of the NO-containing gas flow circulating in the gas circuit (200), and to supply said flowrate measurements to the operating means (210). Installation (100) for supplying NO-containing gas, comprising such an NO delivery apparatus (1).
    Type: Application
    Filed: April 25, 2025
    Publication date: November 13, 2025
    Inventors: Frederic MARCHAL, Thierry BOULANGER, Bogdan A ARAMA, Mary SCHMITT, Yann BLANDIN
  • Publication number: 20250332372
    Abstract: The invention relates to an installation (100) for supplying an NO-containing gas mixture to a patient, comprising NO containers (10.1, 10.1) containing an NO-containing gas at a given pressure, and an NO delivery apparatus (1) for supplying the NO-containing gas, comprising control means (210), a gas circuit (200) with circuit sections (201, 202) comprising gas inlets (201.1, 202.1) for fluidically connecting the containers (10.1, 10.2) thereto, and also pressure-measuring means (251, 252) for measuring the pressure there, and valve means (222.1, 222.2) controlled by the control means (210) in order to control the flow of gas within the circuit sections (201, 202). The control means (210) control the valve means (222.1, 222.
    Type: Application
    Filed: April 10, 2025
    Publication date: October 30, 2025
    Inventors: Yann BLANDIN, Frederic MARCHAL, Nicolas TIRILLY, Nathan PROUVEZ
  • Publication number: 20250312545
    Abstract: The invention relates to an apparatus (1) for delivering NO-containing gas, comprising means for setting a dose of NO (50, 51) to make it possible to set a first dose of NO, and operating means (210) with a microprocessor (211), for determining on the basis of the first dose of NO set, first upper and lower alarm thresholds corresponding to first maximum and minimum NO contents. Means for modifying a dose of NO (50, 51) making it possible to modify or adjust the first dose of NO so as to obtain or fix a second dose of NO that is different to the first dose of NO. The operating means (210) are configured to automatically determine, on the basis of the second dose of NO, second upper and lower NO alarm thresholds that are different to the first upper and lower NO alarm thresholds. Installation (100) for supplying NO-containing gas, comprising such an NO delivery apparatus (1).
    Type: Application
    Filed: March 19, 2025
    Publication date: October 9, 2025
    Inventors: Yann BLANDIN, Frederic MARCHAL, Nathan PROUVEZ, Nicolas TIRILLY
  • Publication number: 20250269136
    Abstract: The invention concerns an installation (100) to supply a gaseous mixture containing NO comprising an NO supply apparatus (1) connected to a respiratory circuit (20; 21) with an injection device (24) and a flow sensor (25) in order to measure the flow of respiratory gas. The NO supply apparatus (1) comprises a gas circuit (200) with flow control means (220, 221) in order to control the flow of gas in the internal gas circuit (200), and control means (210) in order to determine a set gas flow containing NO, and to control the flow control means (220, 221); and storage means (212) in order to store successive set flows. In the case of interruption of transmission of the flow measurements carried out by the flow sensor (25), the control means (210) control the flow control means (220, 221) in order to supply the gas to an emergency flow calculated from stored set flows.
    Type: Application
    Filed: February 7, 2025
    Publication date: August 28, 2025
    Inventors: Frederic MARCHAL, Mary SCHMITT, Thierry BOULANGER, Yann BLANDIN
  • Publication number: 20250235644
    Abstract: The invention relates to a system (S) for remote monitoring of an NO supply apparatus (1) used to treat patients with an NO-containing gas, comprising means for storing operating data of the apparatus (1) collected during use of the apparatus (1) during successive patient treatments over a given period of time (Dt). The operating data include alarms of different types that are triggered during the period of time in question. A remote server (200) processes the stored operating data and retrieves therefrom information relating to the patient treatments that have been performed and to the operating events that have occurred during said patient treatments. A graphic display (300) displays various items of information relating to the alarms triggered.
    Type: Application
    Filed: January 20, 2025
    Publication date: July 24, 2025
    Inventors: Yann BLANDIN, Stephanie DURAND, Yasmina SIDIBE, Anais MCODRUM, Frederic MARCHAL
  • Publication number: 20250213812
    Abstract: The invention relates to an NO delivery apparatus (1) for supplying an NO-containing gas, comprising an NO injection line (111) with a normally closed valve device (113), and a flow rate measurement device (112); an emergency circuit (200) comprising an emergency line (201) connected to the injection line (111), with a normally open emergency solenoid valve (202); and operating means (130). In the event of malfunction of the operating means (130), the flow rate control device (210) supplies the gas at a pre-fixed emergency flow rate of gas that has been determined prior to said malfunction. A multi-way solenoid valve (205) is arranged downstream of the flow rate control device (210) and supplies dosing lines (206, 207) having a calibrated orifice device (208, 209). Installation (1, 2) for supplying gas to a patient and comprising such an apparatus (1).
    Type: Application
    Filed: December 10, 2024
    Publication date: July 3, 2025
    Inventors: Thierry BOULANGER, Frederic MARCHAL, Akshar PATEL
  • Publication number: 20250121153
    Abstract: The invention relates to an NO delivery apparatus (1) having a main gas circuit for conveying an NO-containing gas, in particular an NO/N2 mixture, an analysis line (110) comprising NO/NO2 measuring device(s) (120, 121) configured to perform NO and/or NO2 concentration measurements within said analysis line (110), and a controller (15) connected to said NO/NO2 measuring device (120, 121) and configured to process the NO and/or NO2 concentration measurements performed by said NO/NO2 measuring device (120, 121). In addition, the analysis line (110) comprises piezoelectric suction device (141) controlled by the controller (15).
    Type: Application
    Filed: October 10, 2024
    Publication date: April 17, 2025
    Inventors: Thierry BOULANGER, Frederic MARCHAL, Mary SCHMITT
  • Publication number: 20250121146
    Abstract: The invention relates to an apparatus (1) for supplying an NO-containing gas, comprising at least one internal passage (6) with valve means (7) for conveying a flow of NO-containing gas; a graphic display (4), and control means (8) with a microprocessor (9) cooperating at least with the valve means (7) in order to control the supply of gas. Storage means (70) are provided for storing a pre-set non-zero dose of NO (NOmém). The control means (8) control a default display (at 71), on the graphic display (4), of the pre-set starting dose of NO (NOmém) that has been stored.
    Type: Application
    Filed: October 11, 2024
    Publication date: April 17, 2025
    Inventors: Yann BLANDIN, Frederic MARCHAL, Mary SCHMITT, Thierry BOULANGER
  • Publication number: 20250001108
    Abstract: The invention relates to an apparatus (1) for supplying an NO-containing gas, comprising an internal circuit (6) for conveying a flow of NO-containing gas, comprising valve means (7), control means (8) with a microprocessor (9), a tactile graphical display screen (4), and a gas analysis line (111) comprising at least one sensor (112). The control means (8) are configured to control, at a given time frequency, a temporary display, on the graphical display screen (4), of a first virtual selection key (81), the actuation of which by a user initiates a procedure of calibration of the sensor or sensors (112) of the gas analysis line (111).
    Type: Application
    Filed: June 25, 2024
    Publication date: January 2, 2025
    Applicant: INOSYSTEMS
    Inventors: Yann BLANDIN, Mary SCHMITT, Frederic MARCHAL, Nathan PROUVEZ
  • Publication number: 20240375698
    Abstract: The invention relates to a mobile trolley (1) comprising a baseplate (2), several castors (3), a support structure (4) projecting upwards from the baseplate (2), and at least one securing device (30) arranged on the support structure (4) for securing one or more gas cylinders (50) to the support structure (4). Each securing device (30) comprises a first strap element (31) comprising a free first end (31.1), and a second strap element (32) comprising a connecting device (20), these elements becoming secured to one another when the free first end (31.1) of the first strap element (31) is collaborating with the connecting device (20) of the second strap element (32). The strap elements (31, 32) are made of semirigid polymer. Use of such a trolley (1) for transporting one or more gas cylinders containing an NO/N2 mixture and/or oxygen.
    Type: Application
    Filed: April 16, 2024
    Publication date: November 14, 2024
    Inventors: Frederic MARCHAL, Nicolas TIRILLY, Mary SCHMITT, Yann BLANDIN
  • Publication number: 20240366907
    Abstract: The invention relates to an apparatus for supplying NO (1), such as an NO/N2 gaseous mixture, comprising a main gas circuit (40; 40.1, 40.2) with flow rate control means (42, 43) comprising at least one main solenoid valve (42) operated by the operating means (50) in order to control the flow rate of NO/N2 mixture passing through said at least one main solenoid valve (42). The main solenoid valve (42) is a proportional solenoid valve having degrees of opening of between 0 and 100%, and is configured to function in at least two given operating ranges corresponding to different degrees of opening of the main solenoid valve (42). The operating means (50) are configured to control the main solenoid valve (42) in pulsed mode in one of the operating ranges so as to deliver successive gas pulses (IG) and in proportional mode in another operating range.
    Type: Application
    Filed: April 18, 2024
    Publication date: November 7, 2024
    Inventors: Frederic MARCHAL, Thierry BOULANGER, Yann BLANDIN, Mary SCHMITT
  • Publication number: 20240316298
    Abstract: The invention relates to a calibration device (2) for calibrating the measuring means (120-122) of an NO delivery apparatus (1), comprising a gas intake line (22) comprising, arranged in series, a valve, preferably manual (23) and actuatable by a user, for controlling the circulation of gas in the gas intake line (22); a precision regulator (24) configured to deliver a predefined fixed pressure in the gas intake line (22); a calibrated orifice device (25), and a venturi device (26). The measuring means of the NO delivery apparatus comprise an NO sensor, an NO2 sensor and an O2 sensor.
    Type: Application
    Filed: March 20, 2024
    Publication date: September 26, 2024
    Inventors: Thierry BOULANGER, Frederic MARCHAL, Akshar PATEL
  • Publication number: 20240277960
    Abstract: The invention relates to a device (1) for supplying therapeutic gas, in particular NO/N2 mixtures, comprising an internal passage (2), valve means (5), control means (6) with microprocessor, and selection means (8), which can be actuated by a user and are configured to allow the user to start a supply of gas or stop a supply of gas. The selection means (8) supply the control means (6) with a command signal corresponding to the choice made by the user, in order to control, via the valve means (5), the flow of gas in the internal passage (2), i.e. to authorize or stop any flow of gas. The control means (6) count a total duration of actual supply of gas equal to the sum of all the time periods elapsing between a choice, made by the user, of starting a supply of gas and a choice, made by the user, of stopping a supply of gas. Installation for administering gas to a patient, which includes such a gas supply apparatus.
    Type: Application
    Filed: January 31, 2024
    Publication date: August 22, 2024
    Inventors: Yann BLANDIN, Mary SCHMITT, Frederic MARCHAL
  • Publication number: 20240050686
    Abstract: An installation for supplying gas to a patient, comprises an NO delivery device, an NO injection line with a valve device, a backup line that connects to the injection line and comprises a backup solenoid valve and a flow rate control device, and control means; and a medical ventilator that supplies a respiratory gas to a patient circuit to which the NO delivery device is connected. A flow rate sensor supplies the control means with a measurement signal of the gas flow rate in the patient circuit. In the event of interruption of reception of the measurement signal, the backup solenoid valve switches to an open position, the valve device switches to a closed position and the flow rate control device supplies the NO/N2 mixture at a pre-regulated backup flow rate, determined on the basis of the measurement signal supplied by the flow rate sensor, before said interruption.
    Type: Application
    Filed: July 24, 2023
    Publication date: February 15, 2024
    Inventors: Thierry BOULANGER, Frederic MARCHAL, Mary SCHMITT
  • Patent number: 11898013
    Abstract: The field of the invention is that of the preparation of release and water-repellent coatings on a support, preferably a flexible support, such as a support made of paper or of synthetic polymer film, preferably of the polyolefin, polypropylene, polyethylene or polyester type. The release coatings taken into consideration are more especially those based on silicone elastomer crosslinked after coating on these supports.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: February 13, 2024
    Assignee: ELKEM SILICONES FRANCE SAS
    Inventors: Frederic Magd, Frederic Marchal, Yassine Maadadi, Thierry Walter
  • Publication number: 20230414887
    Abstract: The invention relates to an NO supply device (1) comprising an internal passage for conveying a gaseous mixture NO/N2; valve means; control means; dose selection means; memory storage means for storing the dose of NO to be administered; means (120) for starting treatment, and means for stopping treatment in order to pause or definitively discontinue a treatment by NO; and a graphic display (10) for displaying the NO dose before the commencement of the treatment or during the treatment by NO. The graphic display is further configured to continue to display the NO dose administered (110) to the patient, during a downtime (dt) in which the treatment by NO is interrupted temporarily.
    Type: Application
    Filed: June 23, 2023
    Publication date: December 28, 2023
    Inventors: Yann BLANDIN, Mary SCHMITT, Nathan PROUVEZ, Frederic MARCHAL
  • Publication number: 20230285710
    Abstract: Disclosed is an NO supply device including a main gas circuit to convey an NO/N2 mixture to a main output orifice which is designed to supply the inspiratory branch of a medical ventilator; and a backup circuit including a backup NO circuit including a backup NO line which is supplied with NO/N2 mixture, and a backup O2 circuit includes a main O2 line which is connected fluidically to the backup NO line in order to form a common line in fluid communication with a secondary output which supplies an NO/N2/O2 mixture designed to supply a manual breathing bag.
    Type: Application
    Filed: March 8, 2023
    Publication date: September 14, 2023
    Inventor: Frederic MARCHAL
  • Publication number: 20230285709
    Abstract: Disclosed is an NO supply device including a main gas circuit with NO/N2 flowrate controller controlled by piloting unit, and a backup circuit including a backup NO circuit and a backup O2 circuit. The piloting unit are configured in particular to control the NO/N2 flowrate controller in such a way as to regulate the flowrate of NO/N2 mixture in the main gas circuit and to direct the gaseous flow obtained in a downstream portion of the backup NO circuit connecting to the backup O2 circuit in order to form a common backup line including a backup outlet.
    Type: Application
    Filed: March 8, 2023
    Publication date: September 14, 2023
    Inventor: Frederic MARCHAL
  • Publication number: 20230235852
    Abstract: Disclosed is a cartridge for storing pressurized gas, including a main body with an internal volume for storing a gaseous mixture NO/N2, and a distribution valve for controlling the output of the gas. The internal volume of the main body is less than 1000 ml. The concentration of NO in the gaseous mixture NO/N2 is between 15000 and 25000 ppmv. The gas pressure in the internal volume is below 15 bar, measured at 23° C. Installation for delivering gas to a patient, including such a gas cartridge, a NO supply device fed by the gas cartridge, and a medical ventilator feeding a patient circuit which has an inhalation branch fed by the NO supply device. Use for treating patients suffering from pulmonary hypertension or hypoxia.
    Type: Application
    Filed: January 4, 2023
    Publication date: July 27, 2023
    Inventors: Thierry BOULANGER, Frederic MARCHAL