(19)
(11) EP 0 388 439 A1

(12)

(43) Date of publication:
26.09.1990 Bulletin 1990/39

(21) Application number: 89901815.0

(22) Date of filing: 13.09.1988
(51) International Patent Classification (IPC): 
B01D 29/ 09( . )
B01D 29/ 21( . )
B01D 29/ 62( . )
B01D 29/ 13( . )
B01D 29/ 46( . )
B01D 29/ 66( . )
(86) International application number:
PCT/US1988/003139
(87) International publication number:
WO 1990/002594 (22.03.1990 Gazette 1990/07)
(84) Designated Contracting States:
DE FR GB IT

(71) Applicant: AUTOTROL CORPORATION
Milwaukee Wisconsin 53209 (US)

(72) Inventor:
  • SHELSTAD, Richard
    Bayside, WI 53217 (US)

(74) Representative: Lippert, Hans, Dipl.-Ing. 
Reichel und Reichel Parkstrasse 13
D-60322 Frankfurt
D-60322 Frankfurt (DE)

   


(54) FILTER ASSEMBLY