Inventor · disambiguated record

Nelson R. Gratzer

Also filed as: GRATZER NELSON R

2 granted patents·48 citations·filing 1979–1983

64Inventor score

Technology areasB21D F17C

Files withCARRIER CORP2

Top patents by PatentIndex Score

2 records

0182US4414834AMethod for expanding tubular blanksCARRIER CORP·Filed 1983·Granted Nov 15, 1983·32 cites·4 claims
0259US4231230ARefrigerant accumulator and method of manufacture thereofCARRIER CORP·Filed 1979·Granted Nov 4, 1980·16 cites·6 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →