Patents by Inventor Matteo Morotti

Matteo Morotti 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).

  • Threaded joint for pipes provided with seal
    Patent number: 7506900
    Abstract: A threaded joint for pipes comprising at least one seal of the metal-metal interference type arranged externally to the female thread. The joint has an extension of the box beyond the seal which produces an elastic tightening band effect on the seal so that excessive interference on the seal is not necessary, thus favoring correct making up.
    Type: Grant
    Filed: February 16, 2006
    Date of Patent: March 24, 2009
    Assignee: Tenaris Connections AG
    Inventors: Gabriel E. Carcagno, Matteo Morotti
  • Threaded Joint for Pipes Provided with Seal
    Publication number: 20080265569
    Abstract: A threaded joint for pipes comprising at least one seal of the metal-metal interference type arranged externally to the female thread. The joint has an extension of the box beyond the seal which produces an elastic tightening band effect on the seal so that excessive interference on the seal is not necessary, thus favouring correct making up.
    Type: Application
    Filed: February 16, 2006
    Publication date: October 30, 2008
    Inventors: Gabriel E. Carcagno, Matteo Morotti
  • Threaded joint for tubes
    Patent number: 6921110
    Abstract: Described herein is a threaded joint, in which the threads are coated with a layer of dry lubricant having a thickness of between 5 ?m and 30 ?m and in which the nominal void volume NVV of the space (6, 7) between the thread of the male tube and the thread of the female tube, is sized by means of the following formulae: NVV ? [ cm 3 ] ? 4 × OD ? [ inch ] NVV ? [ cm 3 ] OD ? [ inch ] × Wt ? [ mm ] ? 1 g T ? 0.4 ? ? ? mm 2 ? / ? pitch where OD is the nominal outer diameter and Wt is the thickness of the wall of the pipes.
    Type: Grant
    Filed: February 10, 2004
    Date of Patent: July 26, 2005
    Assignee: Tenaris Connections A.G.
    Inventors: Matteo Morotti, Diego Dell'Erba, Giuseppe Della Pina
  • Threaded joint for tubes
    Publication number: 20040183297
    Abstract: Described herein is a threaded joint, in which the threads are coated with a layer of dry lubricant having a thickness of between 5 &mgr;m and 30 &mgr;m and in which the nominal void volume NVV of the space (6, 7) between the thread of the male tube and the thread of the female tube, is sized by means of the following formulae: 1 NVV ⁡ [ cm 3 ] ≤ 4 × OD ⁡ [ inch ] NVV ⁡ [ cm 3 ] OD ⁡ [ inch ] × Wt ⁡ [ mm ] ≤ 1 g T ≤ 0.
    Type: Application
    Filed: February 10, 2004
    Publication date: September 23, 2004
    Inventors: Matteo Morotti, Diego Dell'Erba, Giuseppe Della Pina