Inventor · disambiguated record
Wilfried Lehmann
Also filed as: LEHMANN WILFRIED · LEHMANN WILFRIED DR ING
5 granted patents·68 citations·filing 1977–1993
80Inventor score
Files withSIHI GMBH & CO KG5
Top patents by PatentIndex Score
5 records- 0158US4230438ARotary pump assemblySIHI GMBH & CO KG·Filed 1979·Granted Oct 28, 1980·19 cites·4 claims
- 0252US4979875ACentrifugal pump for the delivery of hot liquidsSIHI GMBH & CO KG·Filed 1987·Granted Dec 25, 1990·17 cites·34 claims
- 0352US4149574AApparatus for filling a hollow and closed system provided with only one filling apertureSIHI GMBH & CO KG·Filed 1977·Granted Apr 17, 1979·18 cites·8 claims
- 0444US4390317ASelf-priming centrifugal pump, in particular for conveying liquids in the vicinity of their boiling pointSIHI GMBH & CO KG·Filed 1981·Granted Jun 28, 1983·12 cites·8 claims
- 0526US5549450ACentrifugal pump of the sectional-casing designSIHI GMBH & CO KG·Filed 1993·Granted Aug 27, 1996·2 cites·7 claims
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