Inventor · disambiguated record
Joseph R. Waitlevertch
Also filed as: WAITLEVERTCH JOSEPH R
5 granted patents·15 citations·filing 1998–2013
72Inventor score
Top patents by PatentIndex Score
5 records- 0172US7939012B2Skimmer apparatus and methodESM GROUP INC·Filed 2008·Granted May 10, 2011·3 cites·19 claims
- 0268US9259780B2Rotational lance drive and rotational lance injection methodESM GROUP INC·Filed 2013·Granted Feb 16, 2016·5 cites·2 claims
- 0348US8623270B2Dual outlet injection systemWAITLEVERTCH JOSEPH R·Filed 2009·Granted Jan 7, 2014·0 cites·32 claims
- 0438US6010658AApparatus for desulfurization of iron utilizing two spaced apart lancesESM III·Filed 1998·Granted Jan 4, 2000·7 cites·7 claims
- 0535US7584876B2Wire injector apparatusESM GROUP INC·Filed 2006·Granted Sep 8, 2009·0 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →