Title (en)

VACUUM ACTUATED SHEATH VALVE

Title (de)

UNTERDRUCKBETÄTIGTES EINWEGEVENTIL

Title (fr)

VANNE ANTI-REFLUX LINEAIRE

Publication

EP 0890146 A4 20001129 (EN)

Application

EP 96945455 A 19961227

Priority

• CA 2247840 A 19961227
• CN 96180129 A 19961227
• US 9620913 W 19961227

IPC 1-7

G05D 11/03; G05D 7/01; F16K 15/14

IPC 8 full level

F16K 15/14 (2006.01); G05D 7/01 (2006.01); G05D 11/03 (2006.01)

Citation (search report)

• [AD] WO 9612904 A1 19960502 - HANDLER MICHAEL D [US]
• [A] US 5520661 A 19960528 - LAL BIRENDRA K [US], et al
• [A] US 3465786 A 19690909 - SPISAK EDWARD G
• See references of WO 9829786A1

Designated contracting state (EPC)

AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

DOCDB simple family (publication)

EP 0890146 A1 19990113; EP 0890146 A4 20001129

DOCDB simple family (application)

EP 96945455 A 19961227