Inventor · Kotka, FI

Vesa Vikman

23Patents
8h-index
17Co-inventors
72Inventor score

Filing activity: Jul 1, 1988 → Sep 28, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US4981413A Pump for and method of separating gas from a fluid to be pumped Mechanical Engineering; Lighting; Heating 48 Expired
US5078573A Liquid ring pump having tapered blades and housing Mechanical Engineering; Lighting; Heating 28 Expired
US4877368A Fluidizing centrifugal pump Mechanical Engineering; Lighting; Heating 24 Expired
US5167678A Apparatus for separating gas with a pump from a medium being pumped Mechanical Engineering; Lighting; Heating 18 Expired
US5114310A Centrifugal pump with sealing means Mechanical Engineering; Lighting; Heating 11 Expired
US5116198A Centrifugal pumping apparatus Mechanical Engineering; Lighting; Heating 11 Expired
US5152663A Centrifugal pump Mechanical Engineering; Lighting; Heating 11 Expired
US5151010A Combined centrifugal and vacuum pump Mechanical Engineering; Lighting; Heating 9 Expired
US6551054B1 Method and apparatus for pumping a material and a rotor for use in connection therewith Mechanical Engineering; Lighting; Heating 8 Expired
US4971519A Method and apparatus for pumping high consistency medium Mechanical Engineering; Lighting; Heating 7 Expired
US4975204A Method and apparatus for thickening fiber suspension Textiles; Paper 5 Expired
US5156750A Method and apparatus for thickening a fiber suspension and removing fine particles therefrom Textiles; Paper 5 Expired
US5842833A Gas separation control in a centrifugal pump vacuum pump Mechanical Engineering; Lighting; Heating 5 Expired
US6120252A Gas separation control in a centrifugal pump/vacuum pump Mechanical Engineering; Lighting; Heating 3 Expired
US5228829A Method and apparatus for dividing flow of high-consistency fiber suspension Mechanical Engineering; Lighting; Heating 2 Expired
US5058615A Method and apparatus for pumping high consistency pulp Emerging Cross-Sectional Technologies 2 Expired
US5034120A Method for keeping a screen or filter surface clear Textiles; Paper 2 Expired
US9416491B2 Method of and an arrangement for transferring a process liquid, an industrial facility and a method of simplifying the layout of such Emerging Cross-Sectional Technologies 2 Active
US9752916B2 Probe for monitoring the surface level of a fluid in a vessel and a method of installing the probe in the vessel Physics 1 Active
US6491787B2 Method for heating pulps Textiles; Paper 1 Expired
US9708762B2 Method of and an arrangement for transferring a process liquid, an industrial facility and a method of simplifying the layout of such Emerging Cross-Sectional Technologies 0 Active
US9663897B2 Method of and an arrangement for introducing process liquid from a treatment step to a washing and/or filtering apparatus Textiles; Paper 0 Active
US10968471B2 Method of and arrangement for treating biomass Emerging Cross-Sectional Technologies 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.