DH

David Hadfield

CG Cyclotech Gmbh: 5 patents #1 of 8Top 15%
CP Conoco Specialty Products: 3 patents #4 of 23Top 20%
Overall (All Time): #576,665 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8728327 Methods and apparatus for conditioning and degassing liquids and gases in suspension Alastair Sinker, Ian Charles Smyth 2014-05-20
7766121 Methods and apparatus for conditioning and degassing liquids and gases in suspension Alastair Sinker, Ian Charles Smyth 2010-08-03
7401704 Conveyor apparatus Michael Hess, Alastair Sinker, Ian Charles Smyth, Pete Thompson 2008-07-22
6767459 Fluid processing for separating emulsions Alastair Sinker, Michael Hess 2004-07-27
6619889 Conveyor apparatus Alastair Sinker, Michael Hess 2003-09-16
6197095 Subsea multiphase fluid separating system and method John C. Ditria 2001-03-06
5498346 Hydrocyclones for oil spill cleanup having a controlled split ratio Mark F. Schubert 1996-03-12
5366641 Hydrocyclones for oil spill cleanup with oil slug monitor Mark F. Schubert 1994-11-22
5302294 Separation system employing degassing separators and hydroglyclones Mark F. Schubert 1994-04-12