Inventor · disambiguated record
Frederick N. Zimmermann
Also filed as: ZIMMERMANN FREDERICK N · ZIMMERMANN FREDERICK NORMAN
3 granted patents·197 citations·filing 1969–1976
77Inventor score
Technology areasF04D
Files withMARCH MFG CO3
Top patents by PatentIndex Score
3 records- 0191US4080112AMagnetically-coupled pumpMARCH MFG CO·Filed 1976·Granted Mar 21, 1978·97 cites·9 claims
- 0291US3932068AMagnetically-coupled pumpMARCH MFG CO·Filed 1969·Granted Jan 13, 1976·74 cites·13 claims
- 0380US3938914APump impeller and coupling magnet structuresMARCH MFG CO·Filed 1969·Granted Feb 17, 1976·26 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →