Inventor · disambiguated record
Josephus Sychbertus Adrianus Langerwerf
Also filed as: LANGERWERF JOSEPHUS SYCHBERTUS
3 granted patents·29 citations·filing 1976–2001
69Inventor score
Top patents by PatentIndex Score
3 records- 0167US6709592B2Removal of sulfur compounds from wastewaterTNO·Filed 2001·Granted Mar 23, 2004·10 cites·12 claims
- 0256US5958238AAnaerobic removal of sulphur compounds from waste waterTNO·Filed 1995·Granted Sep 28, 1999·16 cites·21 claims
- 0326US4110495AImprovements in shoe manufactureSHOE & ALLIED TRADES RES ASS·Filed 1976·Granted Aug 29, 1978·3 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →