Patents by Inventor Riccardo SIGHINOLFI

Riccardo SIGHINOLFI 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: 20240102295
    Abstract: A levelling spacer system for laying tiles for coating surfaces, including a block equipped with a base positionable posteriorly to a laying surface of at least two adjacent tiles and flanked with respect to a flanking direction, and a separating element rising from the base at right angles thereto capable of being inserted between side walls facing said two flanked tiles, the separating element including a through window, a shaped edge of which is placed at a distance from the base greater than a maximum height of a visible surface of the tiles from the base itself, a pressure wedge to be inserted at least partially into the through window between the visible surface of the tiles and the shaped edge along a crossing direction parallel to the flanking direction. and a plate to be interposed between the pressure wedge and the visible surface of the tiles with a surface facing the base.
    Type: Application
    Filed: September 13, 2023
    Publication date: March 28, 2024
    Inventor: Riccardo SIGHINOLFI
  • Patent number: 11591809
    Abstract: A levelling spacer device for laying slab-shaped products including a base having a lower surface and an opposite upper surface defining a support plane for at least two tiles placed side by side, which is placed at a first distance from the lower surface, a spacer bridge provided with two legs placed side by side between each other along a flanking direction and each one rising from a portion of the opposite upper surface. Each leg is frangibly connected to the respective base portion by a predefined fracture line placed at a second distance from the lower surface greater than the first distance. A crosspiece, joins the top of the two legs, and a through opening peripherally delimited at the top by the crosspiece, laterally by the legs and at the bottom by a central portion of the upper surface coplanar with the support plane.
    Type: Grant
    Filed: July 22, 2021
    Date of Patent: February 28, 2023
    Assignee: RAIMONDI S.P.A.
    Inventor: Riccardo Sighinolfi
  • Patent number: 11447964
    Abstract: A levelling spacer device for the laying of slab-shaped products for coating surfaces, including at least one base having a lower surface and an opposite upper surface defining a support plane for two slab-shaped products placed side by side, a spacer bridge perimetrically delimiting a through opening adapted to be crossed by a pressure wedge along a crossing direction, wherein the bridge has at least two legs placed side by side between each other along a flanking direction orthogonal to the crossing direction and each one projecting from a respective portion of the upper surface of the base, in a direction orthogonal thereto, wherein each leg of the bridge is frangibly connected to the respective base portion, and a crosspiece, which joins the top of the two legs along the flanking direction, wherein each leg has an inner sidewall and an opposite outer sidewall converging on each other.
    Type: Grant
    Filed: May 19, 2021
    Date of Patent: September 20, 2022
    Assignee: RAIMONDI S.P.A.
    Inventor: Riccardo Sighinolfi
  • Patent number: 11447338
    Abstract: A gripping device (10) for sheet-shaped elements (L) comprising: at least one longitudinal bar (20) adjustable in length and provided with a plurality of suction gripping members (30) connected along a longitudinal axis (A) of the longitudinal bar (20).
    Type: Grant
    Filed: February 28, 2020
    Date of Patent: September 20, 2022
    Assignee: RAIMONDI S.P.A.
    Inventor: Riccardo Sighinolfi
  • Patent number: 11428019
    Abstract: A levelling spacer device for the application of slabs for covering surfaces, including a base having a lower surface and an opposite upper surface, a separator element extending upwardly from the upper surface of the base, a threaded stem which rises up from the separator element, a pressing element able to screw into the threaded stem, and a corner spacer that rises up from the upper surface of the base. The separator element includes a main zone having side faces parallel to one another and spaced apart defining a first thickness of the main zone. The corner spacer includes two side edges parallel to one another and square-angled with respect to the side faces. The separator element includes a central zone proximal to the base having a non-zero second thickness smaller than the first thickness. The corner spacer joins the central zone and has a longitudinal axis perpendicular to the side faces.
    Type: Grant
    Filed: February 25, 2021
    Date of Patent: August 30, 2022
    Assignee: RAIMONDI S.P.A.
    Inventor: Riccardo Sighinolfi
  • Publication number: 20220178152
    Abstract: A supporting device (10) for laying tiles comprising: a base (20); a separator element (30) projecting from the base; and a pusher element (50) adapted to cooperate with the separator element (30), wherein the base (20) comprises two flaps (23) arranged at opposite sides with respect to the separator element (30), wherein the flaps (23) are tilted between each other and form a dihedral angle lower than the straight angle opposite to the separator element (30).
    Type: Application
    Filed: December 2, 2021
    Publication date: June 9, 2022
    Inventor: Riccardo SIGHINOLFI
  • Publication number: 20220154475
    Abstract: A levelling spacer device for the application of slabs for covering surfaces, including a base having a lower surface and an opposite upper surface, a separator element extending upwardly from the upper surface of the base, a threaded stem which rises up from the separator element, a pressing element able to screw into the threaded stem, and a corner spacer that rises up from the upper surface of the base. The separator element includes a main zone having side faces parallel to one another and spaced apart defining a first thickness of the main zone. The corner spacer includes two side edges parallel to one another and square-angled with respect to the side faces. The separator element includes a central zone proximal to the base having a non-zero second thickness smaller than the first thickness. The corner spacer joins the central zone and has a longitudinal axis perpendicular to the side faces.
    Type: Application
    Filed: February 25, 2021
    Publication date: May 19, 2022
    Inventor: Riccardo SIGHINOLFI
  • Publication number: 20220112730
    Abstract: A tool for the application of pressing wedges in wedge-type levelling spacer systems used in the application of tiles and that are equipped with a base block and a pressing wedge. The tool includes a handgrip from a front end of which projects a support rod having a longitudinal axis, a slider constrained to the support rod and at least partially delimiting a through opening configured to slidably receive at least one axial segment of the pressing wedge, a thruster associated with the handgrip in a movable manner at least along a thrusting direction parallel to the longitudinal axis of the support rod between an advanced position, wherein the thruster is proximal to the slider, and a withdrawn position, wherein the thruster is distal from the slider, and a mechanical actuator associated with the handgrip and configured to actuate the thruster at least from the withdrawn position to the advanced position.
    Type: Application
    Filed: October 13, 2021
    Publication date: April 14, 2022
    Inventor: Riccardo SIGHINOLFI
  • Publication number: 20220025662
    Abstract: A levelling spacer device (10) for laying slab-shaped products (P) comprising: at least one base (20) having a lower surface (21) and an opposite upper surface (22) defining a support plane for at least two tiles (P) placed side by side, which is placed at a first distance (d1) from the lower surface (21); a spacer bridge (30) provided with: two legs (31) placed side by side between each other along a flanking direction and each one rising from a portion of the upper surface (22) of the base (20), wherein each leg (31) is frangibly connected to the respective base portion by a predefined fracture line (310) placed at a second distance (d2) from the lower surface (21) greater than the first distance (d1), wherein the fracture line (310) is formed by a longitudinal cut that is parallel to the flanking direction; and crosspiece (32), which joins the top of the two legs (31); and a through opening (40) adapted to be crossed by a pressure wedge (50) along a crossing direction (C) orthogonal to the flanking
    Type: Application
    Filed: July 22, 2021
    Publication date: January 27, 2022
    Inventor: Riccardo SIGHINOLFI
  • Publication number: 20210363764
    Abstract: A levelling spacer device for the laying of slab-shaped products for coating surfaces, including at least one base having a lower surface and an opposite upper surface defining a support plane for two slab-shaped products placed side by side, a spacer bridge perimetrically delimiting a through opening adapted to be crossed by a pressure wedge along a crossing direction, wherein the bridge has at least two legs placed side by side between each other along a flanking direction orthogonal to the crossing direction and each one projecting from a respective portion of the upper surface of the base, in a direction orthogonal thereto, wherein each leg of the bridge is frangibly connected to the respective base portion, and a crosspiece, which joins the top of the two legs along the flanking direction, wherein each leg has an inner sidewall and an opposite outer sidewall converging on each other.
    Type: Application
    Filed: May 19, 2021
    Publication date: November 25, 2021
    Inventor: Riccardo SIGHINOLFI
  • Patent number: 11014266
    Abstract: A cutting system for slabs which includes a longitudinal guide having a pair of surfaces opposite to each other, the pair made up of a lower surface and an opposite upper surface, a suction cup coupled to the lower surface of the longitudinal guide suitable to selectively adhere to a slab and defining a contact surface of the longitudinal guide on the slab, the longitudinal guide further including a pair of rails parallel to each other coupled to the upper surface of the longitudinal guide and suitable for slidably coupling to a scoring slider. The rails are arranged on opposite sides with respect to a median plane of the suction cup perpendicular to the contact surface thereof.
    Type: Grant
    Filed: June 13, 2018
    Date of Patent: May 25, 2021
    Assignee: RAIMONDI S.P.A.
    Inventor: Riccardo Sighinolfi
  • Patent number: 11002025
    Abstract: A leveling spacer device for laying sheet shaped products for the covering of surfaces, including a base, which may be positioned at the rear of a laying surface of at least two sheet shaped products being adjacent and placed side-by-side relative to a side-by-side direction, a separator element rising from, and perpendicular to, the base and configured to slide between the facing side walls of the two sheet shaped products placed side by side, a threaded stem rising from the separator element with a screw axis orthogonal to the base, a presser screwable onto the threaded stem and an anti-sliding protection ring interposable between the presser and the base. The protection ring includes a first surface facing towards and configured to contact the presser and a second opposing surface facing towards the base. The second surface has a sliding friction coefficient greater than a sliding friction coefficient of the first surface.
    Type: Grant
    Filed: May 7, 2019
    Date of Patent: May 11, 2021
    Assignee: RAIMONDI S.P.A.
    Inventor: Riccardo Sighinolfi
  • Patent number: 10947740
    Abstract: A levelling spacer device for the laying of sheet-shaped products for coating surfaces, including a base positionable posteriorly to a laying surface of at least two sheet-shaped products arranged adjacent and side by side relative to a side-by-side direction, a separator element which rises perpendicularly from the base and is configured to slip between facing lateral sides of the two sheet-shaped products placed side by side, a pusher element adapted to cooperate with the separator element, and a plate provided with at least one through opening configured to be inserted onto the separator element, wherein the plate is configured to be interposed between the pusher element and the base and includes a first flat surface facing the base wherefrom at least one lamella is projecting which is configured to slip between a lateral side of a sheet-shaped product and the separator element.
    Type: Grant
    Filed: June 18, 2019
    Date of Patent: March 16, 2021
    Assignee: RAIMONDI S.P.A.
    Inventor: Riccardo Sighinolfi
  • Publication number: 20200318366
    Abstract: A levelling spacer device (10) for the laying of slab-like products (P) for coating surfaces, comprising: at least one base (20) having a lower surface (21) and an opposite upper surface (22); a spacer bridge (30) perimetrically delimiting a through opening (40) adapted to be crossed by a pressure wedge (50) along a crossing direction (C), wherein the bridge (30) is provided with: two legs (31) mutually placed side by side along a flanking direction (D) orthogonal to the crossing direction (C) and each protruding from a respective portion of the upper base (20) surface (22), in an orthogonal direction with respect thereto; and a crosspiece (32), which joins the top of the two legs (31) along the flanking direction (D); each leg (31) of the bridge (30) being frangibly connected to the respective base portion by means of a respective predetermined fracture line (310), wherein the fracture line (310) comprises: a longitudinal cut (3100) developing for a predetermined section of the width of the respectiv
    Type: Application
    Filed: March 25, 2020
    Publication date: October 8, 2020
    Inventor: Riccardo SIGHINOLFI
  • Publication number: 20200277140
    Abstract: A gripping device (10) for sheet-shaped elements (L) comprising: at least one longitudinal bar (20) adjustable in length and provided with a plurality of suction gripping members (30) connected along a longitudinal axis (A) of the longitudinal bar (20).
    Type: Application
    Filed: February 28, 2020
    Publication date: September 3, 2020
    Inventor: Riccardo SIGHINOLFI
  • Publication number: 20190383027
    Abstract: A levelling spacer device (10) for the laying of sheet-like products (P) for coating surfaces, comprising: a base (20) positionable posteriorly to a laying surface (P1) of at least two sheet-like products (P) arranged adjacent and side by side relative to a side-by-side direction (A); a separator element (30) which rises from said base (20) squareness therewith and adapted to slip between facing lateral sides (P3) of said two sheet-like products (P) placed side by side; a pusher element (50) adapted to cooperate with the separator element (30); and a plate (60) provided with at least one through opening (62) configured to be inserted onto the separator element (30), wherein the plate (60) is adapted to be interposed between the pusher element (50) and the base (20) and comprises a first flat surface (610) facing the base (20) wherefrom at least one lamella (63) is projecting which is configured to slip between a lateral side (P3) of a sheet-like product (P) and the separator element (30).
    Type: Application
    Filed: June 18, 2019
    Publication date: December 19, 2019
    Inventor: Riccardo SIGHINOLFI
  • Publication number: 20190345724
    Abstract: A leveling spacer device (10) for laying sheet-like products (P) for the coating of surfaces which comprises: a base (20), which may be positioned at the rear of a laying surface of at least two sheet-like products (P) being adjacent and placed side-by-side relative to a side-by-side direction (A); a separator element (30) rising from said base (20) angled relative thereto and suitable for sliding between the facing side walls of said two sheet-like products (P) placed side by side; a threaded stem (40) rising from the separator element (30) with a screw axis (B) orthogonal to the base (20); a presser (50) that can be screwed onto the threaded stem (40) and an anti-sliding protection ring nut (60) suitable for being interposed between the presser (50) and the base (20), wherein the protection ring nut (60) comprises a first surface (610) facing towards the presser (50) and configured to come into contact therewith and a second opposing surface (611) facing towards the base (20), wherein the second surface
    Type: Application
    Filed: May 7, 2019
    Publication date: November 14, 2019
    Inventor: Riccardo SIGHINOLFI
  • Patent number: 10465394
    Abstract: A tile-leveling spacer device comprising: a base having a lower surface and an opposite upper surface, wherein the upper surface comprises two opposite side portions with respect to a central portion and each defining a planar surface arranged at a second distance from the lower surface, wherein the second distance is less than the first distance; a spacer bridge defining with the base a through opening adapted for being crossed by a pressing wedge, wherein: each leg of the bridge is connected to the base at a respective side portion of the base in a breakable manner through a predetermined fracture line arranged at a third distance from the intermediate lower surface with respect to the first distance and to the second distance, each side portion has a longitudinal axis parallel to the crossing direction of the pressing wedge and extends for the entire length of the base along such a crossing direction, and the second distance is comprised between 20% and 90% of the first distance.
    Type: Grant
    Filed: April 11, 2018
    Date of Patent: November 5, 2019
    Assignee: RAIMONDI S.P.A.
    Inventor: Riccardo Sighinolfi
  • Publication number: 20180361621
    Abstract: A cutting system (10; 10?; 10?) for slabs (50) which comprises: a longitudinal guide (20; 20?; 20?) comprising a pair of surfaces (23,24; 23?,24?; 23?,24?) opposite to each other, of which a lower surface (24; 24?; 24?) and an opposite upper surface (23; 23?; 23?); a suction cup (41; 41?; 41?) coupled to the lower surface (24; 24?; 24?) of the longitudinal guide (20; 20?; 20?) suitable to selectively adhere to a slab (50) and defining a contact surface of the longitudinal guide (20; 20?; 20?) on the slab (50); the longitudinal guide further comprising a pair of rails (231; 231?; 231?) parallel to each other coupled to the upper surface (23; 23?; 23?) of the longitudinal guide (20; 20?; 20?) and suitable for slidably coupling to a scoring slider (30; 30?; 30?). The rails (231; 231?; 231?) are arranged on opposite sides with respect to a median plane (A-A?) of the suction cup (41; 41?; 41?) perpendicular to the contact surface thereof.
    Type: Application
    Filed: June 13, 2018
    Publication date: December 20, 2018
    Inventor: Riccardo SIGHINOLFI
  • Patent number: D866297
    Type: Grant
    Filed: March 15, 2018
    Date of Patent: November 12, 2019
    Assignee: RAIMONDI S.P.A.
    Inventor: Riccardo Sighinolfi