US Patent No: 6,557,458

Number of patents in Portfolio can not be more than 2000

Device and method for controlling the closing and opening of an extraction chamber of a coffee maker

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Abstract

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A control device for the closing and opening of the extraction chamber (5) of a coffeemaking machine of the espresso type. The extraction chamber (5) comprises two parts (3, 4) movable relative to each other by an electric motor (6) to open or close the extraction chamber (5). The device comprises: elements for measuring the intensity of the supply current of the motor (6) at least during the closing phase of the extraction chamber (5); elements for detecting a drop in the derivative relative to the current supply time below a predetermined threshold, permitting detecting the optimum closed position for the extraction chamber (5), so as to stop the movement of the movable parts (3, 4) when this position is reached.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
COMPAGNIE MEDITERRANEENNE DES CAFES S.A.CARROS14

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Blanc, Jean-Pierre Nice, FR 40 61
Ferrier, Christian Nice, FR 12 70

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (1)
4,484,515 Automatic espresso coffee machine 56 1983

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
NESTEC S.A. (3)
7,216,582 Percolating device 9 2003
7,798,055 System for dispensing short and long coffee beverages 3 2005
8,210,098 Brewing device for capsule with closure mechanism of variable transmission ratio 1 2007
 
COMPAGNIE MEDITERRANEENNE DE CAFES S.A. (1)
7,461,584 Device for the production of a beverage, provided with a means of detection 1 2005
 
KONINKLIJKE PHILIPS ELECTRONICS N.V. (1)
6,994,015 Apparatus for preparing coffee 9 2003
 
SYMATESE (1)
7,569,243 Methods of preparing a food product from a cartridge 4 2006

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