Patents by Inventor Dimitrios Efthimiadis

Dimitrios Efthimiadis 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: 20240208260
    Abstract: A writing instrument may include a barrel having a longitudinal axis, a cartridge, a writing tip, a self-retracting system for sliding the cartridge inside the barrel between a first position wherein the writing tip extends outside the barrel and a second position wherein the writing tip is retracted, the system comprising a button configured to move the cartridge between the first and the second position, and a sealing member configured to be actuated between a closed position closing a writing passage of the writing instrument, wherein the self-retracting system further comprises a linkage that connects the button and the cartridge, the linkage being configured to convert an actuation of the button into a linear motion of the cartridge along the longitudinal axis.
    Type: Application
    Filed: December 22, 2023
    Publication date: June 27, 2024
    Applicant: BIC Violex Single Member S.A.
    Inventors: Georgios KATSIKAS, Dimitrios EFTHIMIADIS
  • Publication number: 20240083051
    Abstract: A razor head (10) comprises a frame (100) having a skin-contacting side (110) and a back side (120) opposite the skin-contacting side (110). A coupling section (200) is arranged on the back side (120), wherein the coupling section (200) is configured to couple the razor head (10) to a razor handle (30). The coupling section (200) comprises a first bearing mechanism (210) and a second bearing mechanism (220) that are functionally different.
    Type: Application
    Filed: December 14, 2021
    Publication date: March 14, 2024
    Applicant: BIC Violex Single Member S.A.
    Inventors: Ioanna PREZA, Dimitrios EFTHIMIADIS, Efthymios SALTAS, Panagiotis KOPELAS
  • Patent number: 11878436
    Abstract: An adaptor is provided for a shaving cartridge. The adaptor includes a frame extending along a longitudinal axis and a shaving aid coupled with the frame. The adaptor is configured to be reversibly mountable on a shaving cartridge perpendicular to the longitudinal axis.
    Type: Grant
    Filed: March 16, 2021
    Date of Patent: January 23, 2024
    Assignee: BIC-VIOLEX SA
    Inventors: Zoi Antoniou, Ioannis Bozikis, Dimitrios Efthimiadis, Georgios Georgakis, Panagiotis Giannopoulos, Maria Petratou, Ioannis-Marios Psimadas, Panagiotis Zafiropoulos
  • Patent number: 11780106
    Abstract: A blade assembly including at least one blade support and at least one blade element having a cutting edge portion. The blade support includes a base portion and a flat portion. The flat portion extends at an angle with respect to the base. The at least one blade is attached to the flat portion of the blade support. The blade assembly further includes a lubricating element. The lubricating element is attached to the flat portion and the at least one blade element.
    Type: Grant
    Filed: July 27, 2018
    Date of Patent: October 10, 2023
    Assignee: BIC Violex Single Member S.A.
    Inventors: Charalampos Schizas, Christos Ampatis, Dimitrios Efthimiadis, Ioannis Komianos, Marina Lymaki, Athanasia Panou, Anestis Tsegenidis, Georgia Tsoukleri
  • Publication number: 20230143109
    Abstract: A coupling mechanism 10 comprising a first coupling element 20 having a first engagement surface 34 configured to pivot about a pivot axis located external to the coupling mechanism, a second coupling element 40 including a second engagement surface 52 configured to come into contact with the one or more first engagement surface, the second coupling element being capable of moving from a first position to a second position and from the second position to the first position, a third coupling element 60 configured to support the first coupling element and the second coupling element, a stop 58 positioned inwardly of the first coupling element configured to impede pivoting of the first coupling element. The stop impedes pivoting of the first coupling element when the second coupling element is in the first position and the stop no longer impedes movement of the first coupling element when the second coupling element is in the second position.
    Type: Application
    Filed: February 23, 2021
    Publication date: May 11, 2023
    Applicant: BIC Violex Single Member S.A.
    Inventors: Panagiotis KOPELAS, Dimitrios EFTHIMIADIS, Nikolaos CHATZIGRIGORIOU
  • Publication number: 20230139750
    Abstract: A cartridge for a shaving device having one or more blades for use on a surface comprising a base including a base first end and a base second end offset from an axis of the cartridge, said base being configured to carry a blade, a frame configured to cooperate with the base, said frame included at the base first end and the base second end, said frame defining an opening configured to expose the blade, wherein the cartridge further includes one or more resilient elements configured to cooperate with a corresponding blade, and wherein, the base, the resilient elements and the frame are each constructed of sheet metal.
    Type: Application
    Filed: December 17, 2020
    Publication date: May 4, 2023
    Applicant: BIC Violex Single Member S.A.
    Inventors: Vasileios NTAVOS, Georgios KOULOURIAS, Panagiotis KOPELAS, Dimitrios EFTHIMIADIS, Ioannis MALLIAROS
  • Patent number: 11597110
    Abstract: A handle for a shaver includes a handle body extending along a longitudinal axis of the handle; a connector for attaching a cartridge to the handle rotatable with respect to the handle body around a rotational axis perpendicular to the longitudinal axis; and an elastic tongue extending parallel with the longitudinal axis of the handle, when in a neutral position. The connector includes a cartridge end and a tongue end opposite to the cartridge end, the cartridge end of the connector being adapted to engage with the cartridge. The elastic tongue includes a first end and a second end. The first end of the elastic tongue is fixedly attached to or integral with the handle body. As the connector rotates the second end flexes towards a first extreme flexed position or a second extreme flexed position, the flexed elastic tongue biases the connector towards the rest position.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: March 7, 2023
    Assignee: BIC-VIOLEX SA
    Inventors: Panagiotis Kopelas, Dimitrios Efthimiadis
  • Publication number: 20220379507
    Abstract: A masking foil for a shaving cartridge comprising a front side, a back side, a pair of lateral sides, at least one ribbon extending along a top side of the masking foil between the front side and the back side, and a first securing portion located at one of the pair of lateral sides. The first securing portion comprises a cross-member extending along the top side of the masking foil between the front side and the back side, and at least two securing elements extending laterally outwardly from the cross-member.
    Type: Application
    Filed: May 31, 2022
    Publication date: December 1, 2022
    Applicant: Bic Violex Single Member S.A.
    Inventors: Christos GALANIS, Dimitrios EFTHIMIADIS, Ioannis MALLIAROS, Anestis TSEGENIDIS, Dimitrios SIOULAS
  • Patent number: 11511448
    Abstract: A shaving cartridge including a housing, a guard bar, a cap and cutting elements. The housing including an inner receiving portion and an inner attaching portion. The cutting elements further including a connecting structure at each end for connection of the cutting elements either on the housing or between adjacent cutting elements to thereby form a chain-like effect.
    Type: Grant
    Filed: June 16, 2017
    Date of Patent: November 29, 2022
    Assignee: BIC Violex Single Member S.A.
    Inventors: Dimitrios Efthimiadis, Panagiotis Kopelas
  • Patent number: 11318632
    Abstract: A cutting member for a shaving cartridge is provided that includes a flat cutting portion, a bent portion, and a base portion. The flat cutting portion has a front cutting-edge portion. The bent portion is intermediate to the base portion and the flat cutting portion. The bent portion and the base portion are made out of one single piece of material. The bent portion is arranged such that it is adjacent to the front cutting portion. The proposed shape of the cutting member resembles a reverse L.
    Type: Grant
    Filed: June 16, 2017
    Date of Patent: May 3, 2022
    Assignee: BIC-VIOLEX SA
    Inventors: Dimitrios Efthimiadis, Panagiotis Kopelas
  • Patent number: 11298843
    Abstract: A connector for attaching a cartridge to a handle. The connector is adapted to rotate around a rocking axis with respect to the handle. The connector includes a pair of arms adapted to attach the connector to the cartridge, a holder adapted to attach the connector to the handle, and at least a pair of resilient lateral tongues protruding from the connector and positioned symmetrically with regard to a connector axis. One of the lateral tongues is adapted to flex when the connector is rotated in a first direction around the rocking axis, and the other lateral tongue is adapted to flex when the connector is rotated in a second direction around the rocking axis.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: April 12, 2022
    Assignee: BIC-VIOLEX SA
    Inventors: Panagiotis Kopelas, Dimitrios Efthimiadis
  • Patent number: 11224982
    Abstract: A shaving cartridge (1) with connectors (3) on each side portion of the plurality of side portions (2C) of the housing (2D) and a plurality of cutting members (7). Each of the connectors is operable to permit the side portions to pivot relative to each other. Thus, the housing will assume different configurations and is operable to adapt to and follow a contour defined by a shaving surface.
    Type: Grant
    Filed: June 16, 2017
    Date of Patent: January 18, 2022
    Assignee: Bic Violex S.A.
    Inventors: Dimitrios Efthimiadis, Panagiotis Kopelas
  • Patent number: 11220016
    Abstract: A handle for a shaving razor adapted to releasably support a razor cartridge is provided. The handle includes a handle body and an actuation button. The handle body includes an arm assembly having a pair of arms extending in a plane and being adapted to engage the razor cartridge. The actuation button is configured to move substantially perpendicular to the plane of the pair of arms. The actuation button cooperates with the pair of arms to engage and disengage the razor cartridge.
    Type: Grant
    Filed: August 30, 2019
    Date of Patent: January 11, 2022
    Assignee: BIC-VIOLEX S.A.
    Inventors: Spiros Gratsias, Ioannis-Marios Psimadas, Ioannis Bozikis, Panagiotis Moustakas, Dimitrios Efthimiadis, Efstratios Christofidellis
  • Publication number: 20210206009
    Abstract: An adaptor is provided for a shaving cartridge. The adaptor includes a frame extending along a longitudinal axis and a shaving aid coupled with the frame. The adaptor is configured to be reversibly mountable on a shaving cartridge perpendicular to the longitudinal axis.
    Type: Application
    Filed: March 16, 2021
    Publication date: July 8, 2021
    Inventors: Zoi Antoniou, Ioannis Bozikis, Dimitrios Efthimiadis, Georgios Georgakis, Panagiotis Giannopoulos, Maria Petratou, Ioannis-Marios Psimadas, Panagiotis Zafiropoulos
  • Publication number: 20210206010
    Abstract: A cutting member (1) for a shaving cartridge includes a front side, a back side opposing the front side, and a flat cutting portion (2) with a cutting edge portion (4). Further the cutting member includes a first bent portion (8), an intermediate portion (11), a second bent portion (9) and a base portion (10) that are made out of one single piece of material. The first bent portion is integral with the flat cutting portion. The first bent portion is convex on the back side of the cutting member, and the second bent portion is concave on the back side of the cutting member. The proposed shape of the cutting member resembles an ā€œSā€ shape or a question mark shape.
    Type: Application
    Filed: March 18, 2021
    Publication date: July 8, 2021
    Inventors: Dimitrios Efthimiadis, Panagiotis Kopelas
  • Patent number: 11045965
    Abstract: A masking foil, for a shaving cartridge, and a shaving cartridge comprising a housing having a top surface, a bottom surface, a front edge, a rear edge, and a pair of side edges extending between the front edge and the rear edge. The housing includes a main blade disposed between the front edge and the rear edge. The main blade includes a main cutting edge extending toward the top surface and is movable in the housing. The shaving cartridge further comprises a masking foil. The masking foil includes a front portion located forward of the main cutting edge, a back portion located rearward the main cutting edge, and at least one ribbon which extends between the front portion and the back portion and which partially covers the main cutting edge.
    Type: Grant
    Filed: July 27, 2017
    Date of Patent: June 29, 2021
    Assignee: Bic Violex S.A.
    Inventors: Christos Galanis, Dimitrios Efthimiadis, Christoforos-Athanasios Brellis, Ioannis Malliaros, Maria Petratou, Anestis Tsegenidis, Panagiotis Moustakas, Vasileios Papachristos
  • Publication number: 20210162613
    Abstract: A shaving cartridge including a housing, a guard bar, a cap and cutting elements. The housing including an inner receiving portion and an inner attaching portion. The cutting elements further including a connecting structure at each end for connection of the cutting elements either on the housing or between adjacent cutting elements to thereby form a chain-like effect.
    Type: Application
    Filed: June 16, 2017
    Publication date: June 3, 2021
    Applicant: BIC-VIOLEX SA
    Inventors: Dimitrios EFTHIMIADIS, Panagiotis KOPELAS
  • Patent number: 11000962
    Abstract: An adaptor for a shaving cartridge is provided. The adaptor is provided with a frame, a first shaving aid, and a second shaving aid. The frame includes a first wall and an opposite second wall. The first wall and the second wall extend along and define a longitudinal axis. The side walls extend from the first wall to the second wall, where the first wall has a first opening. The first and second shaving aids are releasably connected, respectively, to the first and second side walls of the frame. The first and second shaving aids are mounted on the shaving cartridge in a first position by being moved in a direction perpendicular to the longitudinal axis. Cutting edges of shaving blades disposed in the shaving cartridge are uncovered and accessible through the first opening formed in the first wall when the adaptor is mounted on the shaving cartridge.
    Type: Grant
    Filed: December 16, 2019
    Date of Patent: May 11, 2021
    Assignee: BIC-VIOLEX SA
    Inventors: Zoi Antoniou, Ioannis Bozikis, Dimitrios Efthimiadis, Georgios Georgakis, Panagiotis Giannopoulos, Maria Petratou, Ioannis-Marios Psimadas, Panagiotis Zafiropoulos
  • Patent number: 10981286
    Abstract: A cutting member (1) for a shaving cartridge includes a front side, a back side opposing the front side, and a flat cutting portion (2) with a cutting edge portion (4). Further the cutting member includes a first bent portion (8), an intermediate portion (11), a second bent portion (9) and a base portion (10) that are made out of one single piece of material. The first bent portion is integral with the flat cutting portion. The first bent portion is convex on the back side of the cutting member, and the second bent portion is concave on the back side of the cutting member. The proposed shape of the cutting member resembles an ā€œSā€ shape or a question mark shape.
    Type: Grant
    Filed: June 16, 2017
    Date of Patent: April 20, 2021
    Assignee: BIC-VIOLEX SA
    Inventors: Dimitrios Efthimiadis, Panagiotis Kopelas
  • Patent number: 10974402
    Abstract: An adaptor for a shaving cartridge is provided. The adaptor is provided with a frame, a first shaving aid, and a second shaving aid. The frame includes a first wall and an opposite second wall. The first wall and the second wall extend along and define a longitudinal axis. The side walls extend from the first wall to the second wall, where the first wall has a first opening. The first and second shaving aids are releasably connected, respectively, to the first and second side walls of the frame. The first and second shaving aids are mounted on the shaving cartridge in a first position by being moved in a direction perpendicular to the longitudinal axis. Cutting edges of shaving blades disposed in the shaving cartridge are uncovered and accessible through the first opening formed in the first wall when the adaptor is mounted on the shaving cartridge.
    Type: Grant
    Filed: December 16, 2019
    Date of Patent: April 13, 2021
    Assignee: BIC-VIOLEX SA
    Inventors: Zoi Antoniou, Ioannis Bozikis, Dimitrios Efthimiadis, Georgios Georgakis, Panagiotis Giannopoulos, Maria Petratou, Ioannis-Marios Psimadas, Panagiotis Zafiropoulos