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Current content: 156 978 933 patent documents

This week's update (05/07/2024 12:00 CET):

169 914 new documents added

2 331 667 documents amended

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EP 0797738 A1 19971001 - HYDRAULIC PRESSURE BOOSTER

Title (en)

HYDRAULIC PRESSURE BOOSTER

Title (de)

HYDRAULISCHER DRUCKÜBERSETZER

Title (fr)

DISPOSITIF MULTIPLICATEUR DE PRESSION HYDRAULIQUE

Publication

EP 0797738 A1 19971001 (DE)

Application

EP 95941584 A 19951214

Priority

DE 9501795 W 19951214
DE 4445011 A 19941216

Abstract (en)

[origin: DE4445011A1] A hydro-pneumatic pressure booster is proposed in which the reservoir chamber (24) is limited by an elastic partition wall (26, 126) instead of a sliding piston.

IPC 1-7

F15B 11/032; F15B 3/00

IPC 8 full level

F15B 3/00 (2006.01); F15B 11/032 (2006.01)

CPC (source: EP US)

F15B 3/00 (2013.01 - EP US); F15B 11/0325 (2013.01 - EP US); F15B 2211/216 (2013.01 - EP US); F15B 2211/7053 (2013.01 - EP US)

Designated contracting state (EPC)

DE FR IT

DOCDB simple family (publication)

DE 4445011 A1 19960620; CN 1174597 A 19980225; EP 0797738 A1 19971001; JP H11500516 A 19990112; US 5836161 A 19981117; WO 9618825 A1 19960620

DOCDB simple family (application)

DE 4445011 A 19941216; CN 95197479 A 19951214; DE 9501795 W 19951214; EP 95941584 A 19951214; JP 51807396 A 19951214; US 84982897 A 19970919