Patents by Inventor Gianfranco Roman

Gianfranco Roman 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).

  • Watertight joint for rigid piping, in particular for the articulation of a washing brush fed with water
    Patent number: 4717180
    Abstract: The joint is formed of two parts coupled with a variable angle. The two joint parts have coupling surfaces traversed by a rotation pin disposed perpendicularly to the longitudinal direction of the joint. Respective toothed crowns of the two coupling surfaces describe predetermined variable angular positions of the two joint parts. A seal with two concentric rings is placed between said coupling surfaces.
    Type: Grant
    Filed: October 20, 1986
    Date of Patent: January 5, 1988
    Assignee: Claber S.p.A.
    Inventor: Gianfranco Roman
  • Three-arm hub joint for tubular structures specifically for hose racks and hose carts
    Patent number: 4706906
    Abstract: A single body of plastic material has three converging coplanar radial arms and a perpendicular central hole. Each arm has an axial seat with a blind bottom to receive one end of the tubular structure and means for locking said end. The central hole is designed to receive a rotation hub.
    Type: Grant
    Filed: May 8, 1986
    Date of Patent: November 17, 1987
    Assignee: Claber, S.p.A.
    Inventors: Gianfranco Roman, Romeo Boraso
  • Washing brush with water supply and rotating bristles especially for motor vehicles
    Patent number: 4686729
    Abstract: In a body in the form of a half-shell with a tubular handle, there is housed in a revolving manner a support plate for rotating bristles around which are placed fixed bristles. The support plate is surrounded by a ring gear which engages with a gear of smaller diameter arranged integrally and coaxially with a turbine impeller driven by water supplied through the handle.
    Type: Grant
    Filed: January 28, 1986
    Date of Patent: August 18, 1987
    Assignee: Claber S.p.A.
    Inventors: Gianfranco Roman, Claudio Da Rold, Oliviano Spadotto
  • Portable winding device for flexible pipe, particularly for cars, caravans, coaches, crafts, balconies and small gardens
    Patent number: 4537215
    Abstract: A fixed casing and a rotatable drum define an annular housing, in which a flexible pipe can be wound. The annular housing is provided with an inner opening for the passage of one end of the pipe and with an outer opening for extraction of the other end of the pipe. The casing and the drum are rotatably connected by a hollow axial pin shaped as a pipe fitting and suitable for connection, on one side, to said one end of the pipe and, on the other side, to a further pipe for connection to a water supply.
    Type: Grant
    Filed: September 30, 1983
    Date of Patent: August 27, 1985
    Assignee: Claber S.p.A.
    Inventor: Gianfranco Roman
  • Swivel arm irrigator
    Patent number: 4457471
    Abstract: A swivel arm irrigator includes a tubular swivel arm with radial bores and a support structure formed by two straight metal arms parallel to the axis of rotation of the swivel arm and by two substantially triangular side pieces disposed at the ends of the swivel arm and the metal arms. The ends of the straight metal arms are extractably housed in corresponding seats of the side pieces.
    Type: Grant
    Filed: November 19, 1982
    Date of Patent: July 3, 1984
    Assignee: Claber S.p.A.
    Inventor: Gianfranco Roman
  • Watering pistol
    Patent number: 4448355
    Abstract: A pistol for dispensing a watering liquid to plants and the like has a crenellated pistol grip portion, the crenellations whereof are a latching member for a swinging pawl which is actuated by a handle, an upper projecting portion of said handle having also toothed members and a resilient nature so as to engage corresponding latching portions of a shutter stem adapted to throttle the water jet emerging from said pistol and straighten it.
    Type: Grant
    Filed: September 14, 1983
    Date of Patent: May 15, 1984
    Assignee: Claber S.p.A.
    Inventor: Gianfranco Roman
  • Female element for quick-coupling connection for flexible pipes
    Patent number: 4429906
    Abstract: The female element includes male-element locking teeth and locking-teeth thrusting means formed as single body of a resiliently flexible material, with which there cooperates a retaining ring which is able to cause movement of the teeth to a releasing position.
    Type: Grant
    Filed: July 22, 1981
    Date of Patent: February 7, 1984
    Assignee: Claber S.p.A.
    Inventors: Oliviano Spadotto, Gianfranco Roman, Claudio Da Rold
  • Sprinkler
    Patent number: D259655
    Type: Grant
    Filed: December 26, 1979
    Date of Patent: June 23, 1981
    Assignee: Claber S.p.A.
    Inventor: Gianfranco Roman