US Patent 8011643 Diffuser assembly with buoyancy vessel

Patent 8011643 was granted and assigned to Environmental Dynamics International on September, 2011 by the United States Patent and Trademark Office.

Overview Structured Data Issues Contributors Activity

Is a

Patent

Patent attributes

Current Assignee

Environmental Dynamics International

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

8011643

Date of Patent

September 6, 2011

Patent Application Number

11685608

Date Filed

March 13, 2007

Patent Primary Examiner

‌

Charles Bushey

Patent abstract

A diffuser assembly with a buoyancy vessel and a chamber for buoyantly raising the diffuser assembly for maintenance work. The diffuser assembly has a support structure, diffusers connected to the frame, and a buoyancy vessel positioned on the frame, capable of alternating between a state of buoyancy or ballast.