(19)

(11)

EP 2 016 286 A2

(12)

(88) Date of publication A3: 31.07.2008 (43) Date of publication: 21.01.2009 Bulletin 2009/04 (21) Application number: 07794396.7 (22) Date of filing: 27.04.2007

(51) International Patent Classification (IPC):  F04B 49/06(2006.01) (86) International application number: PCT/US2007/010277 (87) International publication number: WO 2007/127389 (08.11.2007 Gazette 2007/45)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 27.04.2006 US 413143 (71) Applicant: Drummond Scientific Company Broomall, PA 19008 (US)	(72) Inventor: KENNEY, James, W. Broomall, PA 19008 (US) (74) Representative: Dunleavy, Kevin James  Knoble & Yoshida LLC p/o De Vries & Metman Overschiestraat 180 1062 XK Amsterdam 1062 XK Amsterdam (NL)