05343799 is referenced by 108 patents and cites 16 patents.

Devices for extraction of a beverage material contained in a cartridge include an extraction head and a water distributing grill, a cartridge holder and a cartridge holder support which engages tightening ramps of a tightening ring of the extraction head to support the holder. Projecting elements extend from the grill in a direction away from a base of the extraction head. The cartridge holder has a frustoconical inner shape and has a seal incorporated in a rim extension.

Title
Devices for use with espresso machines
Application Number
899333
Publication Number
5343799
Application Date
December 22, 1993
Publication Date
September 6, 1994
Inventor
Olivier Fond
Yverdon
CH
Agent
Vogt & O Donnell
Assignee
Nestec
CH
IPC
A47J 31/24
View Original Source