Inventor · disambiguated record
Johannes Schumacher
Also filed as: SCHUMACHER JOHANNES · SCHUMACHER JOHANNES A
4 granted patents·2 pending applications·20 citations·filing 1981–2008
74Inventor score
Top patents by PatentIndex Score
6 records- 0164US2008268464A1Process And Device For Determining The Activity Of Enzymes In Liquids, Or The Concentration And/Or Activity Of Inhibitors In LiquidsSCHUMACHER JOHANNES·Filed 2008·Application pending·0 cites
- 0250US2001034057A1Process and device for determining the activity of enzymes in liquids, or the concentration and/or activity of inhibitors in liquidsFiled 2001·Application pending·0 cites
- 0343US5935846ADevice for determining the activity of enzymes in liquidsFiled 1996·Granted Aug 10, 1999·7 cites·33 claims
- 0441US6171851B1Process and device for determining the activity of enzymes in liquids, or the concentration and/or activity of inhibitors in liquidsFiled 1999·Granted Jan 9, 2001·6 cites·52 claims
- 0521US5559288AVolume sensor for liquids using toothed meter wheelsVSE SCHWEISSTECHNIK GMBH·Filed 1995·Granted Sep 24, 1996·4 cites·6 claims
- 0620US4425789AMonitoring system for hydraulic pipelines and/or actuating devicesKRACHT PUMPEN MOTOREN·Filed 1981·Granted Jan 17, 1984·3 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →