Bertin & Cie

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
B05B SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES 163
 
 
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 161
 
 
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205
 
 
 
H03B GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS 162

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6332027 Noise-absorption structures and walls constituted therebyJan 07, 98Dec 18, 01[H03B]
5628460 Device for linear spraying of a liquid particularly a cooling liquidMar 14, 95May 13, 97[B05B]
5334004 Compressor or turbine type rotary machine for compressing or expanding a dangerous gasFeb 11, 92Aug 02, 94[F04B]
5306913 Method and apparatus for remote optical detection of a gas present in an observed volumeDec 03, 92Apr 26, 94[G01N]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5800475 Hearing aid including a cochlear implantExpiredMay 29, 96Sep 01, 98[A61N]
5789243 Cartridge for preparing purified nucleic acidsExpiredMay 01, 96Aug 04, 98[C12M]
5784282 Method and apparatus for identifying the position in three dimensions of a movable object such as a sensor or a tool carried by a robotExpiredJun 08, 95Jul 21, 98[G05B, G06F, G06G]
5612905 Three-dimensional measurement of large objectsExpiredMay 16, 95Mar 18, 97[G01B]
5593561 Multiple electrophoresis method and apparatus for migration and transfer of macromoleculesExpiredJul 18, 95Jan 14, 97[G01N]
5568847 Device for providing a rigid mechanical link with frequency cut-offExpiredOct 05, 94Oct 29, 96[F16F]
5482613 Method and apparatus for making a gel plate with a porous membrane for separating and transferring macromolecules by electrophoresisExpiredMay 31, 94Jan 09, 96[C25B]
5462268 Device for temporary storage of flat objectsExpiredJan 13, 94Oct 31, 95[B65H]
5429347 Device for unit distribution of thin stacked objectsExpiredNov 03, 93Jul 04, 95[B65H]
5428450 Method and apparatus for determining the color of an object that is transparent, diffusing, and absorbent, such as a tooth, in particularExpiredDec 20, 93Jun 27, 95[G01J, G01N]
5415752 Process and device for the manufacture of a microporous membrane gel plate and gel cassetteExpiredFeb 23, 93May 16, 95[G01N]
5411862 Method for the rapid sequencing of linear and ordered biological sequencesExpiredApr 23, 93May 02, 95[C12Q]
5383020 Method and apparatus for determining the color of a translucent object such as a toothExpiredDec 15, 92Jan 17, 95[G01J]
5362040 Device for transferring flat objects using a conveyor belt and drum arrangementExpiredFeb 11, 93Nov 08, 94[B65H]
5352609 Cartridge, apparatus, and method for preparing purified nucleic acids from a cell sampleExpiredFeb 23, 93Oct 04, 94[C12Q, C12N, B01D]
5344543 Method of manufacturing a plate of gell for separating and transferring macromolecules by electrophoresis, and plates of gel obtained in this wayExpiredOct 13, 92Sep 06, 94[C25B]
5335065 Sequential demultiplexing receiver for a network of optical sensors using spectrum modulation encodingExpiredOct 12, 92Aug 02, 94[G01B]
5313538 Method of making an index grating in an optical fiber, and a quasi-distributed array of sensors formed in said fiberExpiredOct 03, 91May 17, 94[G02B]
5304488 Installation for obtaining plasmids and cosmidsExpiredNov 13, 92Apr 19, 94[C12M]
5305243 Method and device for comparing two variable analogue signalsExpiredSep 10, 91Apr 19, 94[G06J]

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