Heikki Manninen
12Patents
7h-index
12Co-inventors
63Inventor score
Filing activity: Nov 17, 1987 → Dec 29, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6103128A | Method and apparatus for mixing gas with liquid | Performing Operations; Transporting | 20 | Expired |
| US4863353A | Attaching arrangement | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5711789A | Apparatus for pumping gas-containing fiber suspensions | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US7326029B2 | Centrifugal pump and an impeller thereof | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US10247195B2 | Impeller for a centrifugal headbox feed pump | Mechanical Engineering; Lighting; Heating | 9 | Active |
| US5240621A | Method and apparatus for improving flotation separation | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5324166A | Apparatus and method for pumping a liquid | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US8240673B2 | Flow machine, slide ring seal thereof, body part for said slide ring seal and method of fastening said slide ring seal to said flow machine | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US9829110B2 | Slide ring, a shaft, a mechanical seal, a housing and a rotor for a flow machine and a flow machine | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US8337152B2 | Centrifugal pump, a shaft sleeve and a stationary seal member | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9631633B2 | Rotor for a centrifugal flow machine and a centrifugal flow machine | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9353763B2 | Centrifugal pump, a shaft sleeve and a stationary seal member | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.