Patents by Inventor Mario Bertini

Mario Bertini 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).

  • Seal and corresponding manufacturing method
    Patent number: 10746302
    Abstract: A seal comprises an annular portion having a static seal surface in contact with a first element and made of an elastomeric material. An annular lip exerts a dynamic seal in relation to a second element. A garter spring and a leaf spring cooperate to maintain the annular lip in an operating configuration abutting on a sliding surface of the second element, whilst an annular locking element holds in position the leaf spring.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: August 18, 2020
    Assignee: Tenute S.R.L.
    Inventors: Mario Bertini, Raffaello Ravanelli
  • SEAL AND CORRESPONDING MANUFACTURING METHOD
    Publication number: 20180100585
    Abstract: A seal comprises an annular portion having a static seal surface in contact with a first element and made of an elastomeric material. An annular lip exerts a dynamic seal in relation to a second element.
    Type: Application
    Filed: December 13, 2017
    Publication date: April 12, 2018
    Applicant: Tenute S.R.L.
    Inventors: Mario Bertini, Raffaello Ravanelli
  • Seal and corresponding manufacturing method
    Patent number: 9879782
    Abstract: A seal comprises an annular portion having a static seal surface in contact with a first element and made of an elastomeric material. An annular lip exerts a dynamic seal in relation to a second element. A garter spring and a leaf spring cooperate to maintain the annular lip in an operating configuration abutting on a sliding surface of the second element, whilst an annular locking element holds in position the leaf spring.
    Type: Grant
    Filed: July 20, 2009
    Date of Patent: January 30, 2018
    Assignee: TENUTE S.R.L.
    Inventors: Mario Bertini, Raffaello Ravanelli
  • SEAL AND CORRESPONDING MANUFACTURING METHOD
    Publication number: 20120104701
    Abstract: A seal comprises an annular portion (14) having a static seal surface (15) in contact with a first element (100) and made of an elastomeric material. An annular lip (11) exerts a dynamic seal in relation to a second element (101). A garter spring (12) and a leaf spring (13) cooperate to maintain the annular lip (11) in an operating configuration abutting on a sliding surface (101a) of the second element (101), whilst an annular locking element (16) holds in position the leaf spring (13).
    Type: Application
    Filed: July 20, 2009
    Publication date: May 3, 2012
    Applicant: TENUTE S.R.L.
    Inventors: Mario Bertini, Raffaello Ravanelli