Inventor · disambiguated record
Earl H. Sigman
Also filed as: SIGMAN EARL H
5 granted patents·77 citations·filing 1979–1999
80Inventor score
Files withAMCA INT CORP2
Top patents by PatentIndex Score
5 records- 0186US4360110APositive grip lifting mechanismAMCA INT CORP·Filed 1980·Granted Nov 23, 1982·52 cites·30 claims
- 0239US6176188B1Waste materials processing apparatus and methodFiled 1999·Granted Jan 23, 2001·8 cites·1 claims
- 0338US6050204AWaste material processing apparatusFiled 1998·Granted Apr 18, 2000·9 cites·19 claims
- 0438US4291746AApparatus for stripping ingots from moldsAMCA INT CORP·Filed 1979·Granted Sep 29, 1981·3 cites·5 claims
- 0533US6055916AWaste material processing apparatus and methodFiled 1998·Granted May 2, 2000·5 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →