Inventor · disambiguated record
John William Langhans, Jr.
Also filed as: LANGHANS JR JOHN WILLIAM
3 granted patents·1 pending application·21 citations·filing 2011–2024
68Inventor score
Top patents by PatentIndex Score
4 records- 0190US9051625B2Method for recovering precious metals and copper from leach solutionsCHOI YEONUK·Filed 2012·Granted Jun 9, 2015·12 cites·22 claims
- 0278US8623115B2Alkaline and acid pressure oxidation of precious metal-containing materialsLANGHANS JR JOHN WILLIAM·Filed 2011·Granted Jan 7, 2014·7 cites·21 claims
- 0371US9534273B2Alkaline and acid pressure oxidation of precious metal-containing materialsBARRICK GOLD CORP·Filed 2013·Granted Jan 3, 2017·2 cites·18 claims
- 0463US2025137092A1Blanking agent for precious metal recovery in refractory materialsNevada Gold Mines LLC·Filed 2024·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →