(19)
(11) EP 1 556 610 A2

(12)

(88) Date of publication A3:
01.07.2004

(43) Date of publication:
27.07.2005 Bulletin 2005/30

(21) Application number: 03779360.1

(22) Date of filing: 28.10.2003
(51) International Patent Classification (IPC)7F03C 2/00
(86) International application number:
PCT/US2003/034158
(87) International publication number:
WO 2004/040133 (13.05.2004 Gazette 2004/20)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
Designated Extension States:
AL LT LV MK

(30) Priority: 29.10.2002 US 283422
29.10.2002 US 283421

(71) Applicants:
  • Imperial Research Llc
    Pevely, MO 63070-1919 (US)
  • Heizer, Charles K.
    St. Louis, MO 63131 (US)

(72) Inventor:
  • HEIZER, Charles, K.
    St. Louis, MO 63131 (US)

(74) Representative: Banzer, Hans-Jörg, Dipl.-Ing. 
Kraus & WeisertPatent- und RechtsanwälteThomas-Wimmer-Ring 15
80539 München
80539 München (DE)

   


(54) IMPROVED SCREW ROTOR DEVICE