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Johannes Gerardus Ludovicus Maria Van Spijk

VB Van Doorne'S Transmissie B.V.: 5 patents #1 of 18Top 6%
📍 Drunen, NL: #1 of 6 inventorsTop 20%
Overall (2002): #5,949 of 266,432Top 3%
6
Patents 2002

Issued Patents 2002

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6464482 Mechanically driven roller vane pump Francis Maria Antonius Van Der Sluis 2002-10-15
6447277 Mechanically driven roller vane pump with channels between corresponding cam and carrier chambers Francis Maria Antonius Van Der Sluis 2002-09-10
6416303 Mechanically driven roller vane pump with aperture end parts providing for gradual pressure changes in the pump chambers Francis Maria Antonius Van Der Sluis 2002-07-09
6413066 Mechanically driven roller vane pump with aperture end parts providing for gradual pressure changes in the pump chambers Francis Maria Antonius Van Der Sluis 2002-07-02
6382924 Mechanically driven roller vane pump with enlarged surface area of the apertures Francis Maria Antonius Van Der Sluis 2002-05-07
6375445 Roller vane pump having a partly curved vane slot Elias Van Wijk 2002-04-23