Patent · US Active

Orifice insertion devices and methods

US8047207B2 · kind B2 · utility

85Cited by
19References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 22, 2008
Grant dateNov 1, 2011
Priority date
Expiry dateJan 31, 2029

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04R25/656
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

Methods and devices for sealing an orifice are provided. A sealing element is inserted into an orifice. A fluid is transferred into the sealing element. Fluid transfer into the sealing element is restricted when a pressure in the sealing element is greater than a threshold value.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.