Inventor · Kotka, FI

Reijo Vesala

28Patents
10h-index
19Co-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
US5791778A Method and apparatus for mixing gaseous chemical to fiber suspension Performing Operations; Transporting 37 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
US5019136A Method and apparatus for separating gas with a pump from a medium being pumped Mechanical Engineering; Lighting; Heating 17 Expired
US4900224A Centrifugal pump structure Mechanical Engineering; Lighting; Heating 13 Expired
US5152663A Centrifugal pump Mechanical Engineering; Lighting; Heating 11 Expired
US5114310A Centrifugal pump with sealing means Mechanical Engineering; Lighting; Heating 11 Expired
US5116198A Centrifugal pumping apparatus Mechanical Engineering; Lighting; Heating 11 Expired
US5151010A Combined centrifugal and vacuum pump Mechanical Engineering; Lighting; Heating 9 Expired
US10247195B2 Impeller for a centrifugal headbox feed pump Mechanical Engineering; Lighting; Heating 9 Active
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
US5842833A Gas separation control in a centrifugal pump vacuum pump Mechanical Engineering; Lighting; Heating 5 Expired
US5538597A Apparatus for the discharge of a mass tower Emerging Cross-Sectional Technologies 4 Expired
US6193406A Method and apparatus for mixing pulp a suspension with a fluid medium with a freely rotatable mixing rotor Performing Operations; Transporting 4 Expired
US6120252A Gas separation control in a centrifugal pump/vacuum pump Mechanical Engineering; Lighting; Heating 3 Expired
US5058615A Method and apparatus for pumping high consistency pulp Emerging Cross-Sectional Technologies 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
US5228829A Method and apparatus for dividing flow of high-consistency fiber suspension Mechanical Engineering; Lighting; Heating 2 Expired
US9339777B2 Method, an apparatus and a rotor for homogenizing a medium Performing Operations; Transporting 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
US9492801B2 Method and apparatus for mixing a first fluid with a second fluid in a mixing chamber connected to a turbine chamber Performing Operations; Transporting 1 Active

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