Jouan

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
B04B CENTRIFUGES 522
 
 
 
B01D SEPARATION 2132
 
 
 
G01P MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT 156

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6986731 Rotor with irregularly positioned seatsJan 09, 03Jan 17, 06[B04B]
6446716 Working enclosure provided with means for recycling the atmosphereJul 05, 00Sep 10, 02[E28B]
6438505 Device for monitoring the speed of rotation of an electric motor and centrifuging apparatus equipped with such a deviceAug 23, 99Aug 20, 02[G01P]
6334841 Centrifuge with Ranque vortex tube coolingFeb 29, 00Jan 01, 02[B04B]
6063018 Centrifuge having force responsive locking device for securing a rotor to a drive headOct 06, 98May 16, 00[B04B]
5681257 Centrifuge with removable rotor and device for axial immobilization of the rotor on the drive shaftNov 20, 95Oct 28, 97[B04B]
5626749 Apparatus for centrifuging of a liquid packaged in flexible-walled bags connected to at least one filterNov 21, 94May 06, 97[B01D]
5342282 Centrifuge including a rotor driveshaft with an elastic damping seal and corresponding shaftJul 23, 93Aug 30, 94[B04B]
5217572 Centrifugal evaporator-concentrator for concentrating specimens by evaporation of the solventNov 12, 91Jun 08, 93[B01D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7031803 Installation for treating products and corresponding data acquisition componentExpiredAug 26, 03Apr 18, 06[G08B]
2005/0124,848 Method and apparatus for electromagnetic modification of brain activityAbandonedOct 05, 04Jun 09, 05[A61B, A61N]
2005/0079,602 Enclosure for processing biological samples having a removable framework elementAbandonedOct 06, 04Apr 14, 05[C12M]
6725117 Installation for treating substances, and a corresponding workstation and support for substance receptaclesExpiredNov 27, 01Apr 20, 04[G06F]
6694767 Work enclosure having article supports that obstruct access openingsExpiredJun 19, 02Feb 24, 04[F25D]
6512459 Assembly comprising a work cabinet, an implement for receiving products, and a system for communicating information by radiofrequency waves, corresponding cabinet and implementExpiredNov 27, 01Jan 28, 03[G08B]
2002/0065,039 Assembly comprising a cabinet and a system for communicating by radiofrequency waves with objects placed in the cabinetAbandonedNov 27, 01May 30, 02[H04B]
6383126 Rotor-type centrifuge with a lid presence checking arrangementExpiredOct 05, 00May 07, 02[B04B]
2002/0025,775 Working enclosure with propeller for making its atmosphere move and corresponding propellerAbandonedJul 27, 01Feb 28, 02[H05K]
6241650 Centifuge with pneumatic drive and filtration of the atmosphere of its chamberExpiredFeb 16, 00Jun 05, 01[B04B]
6205405 Device for determining the resistive torque of a rotating item of equipment, system for monitoring the operation of an electric motor and system for regulating the operating parameters of a centrifuge incorporating such a deviceExpiredSep 26, 97Mar 20, 01[B04B]
5114533 Closing covers of apparatuses with centrifugal rotorsExpiredMar 05, 90May 19, 92[B65D, B01D]
5084133 Process for concentrating specimens by evaporation of the solvent with a centrifugal evaporator-concentratorExpiredMar 12, 90Jan 28, 92[B01D]
4771269 System for detecting the incomplete closure of the doors of a chamber having at least two superposed doorsExpiredApr 14, 87Sep 13, 88[G08B, H01H]

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