Inventor · disambiguated record
Ludolf Gerdau
Also filed as: GERDAU LUDOLF
6 granted patents·5 pending applications·14 citations·filing 2004–2020
75Inventor score
Top patents by PatentIndex Score
11 records- 0165US7795876B2Cold cathode pressure sensorINFICON GMBH·Filed 2006·Granted Sep 14, 2010·7 cites·20 claims
- 0265US2020264066A1Pressure Measurement at a Test Gas InletINFICON GMBH·Filed 2020·Application pending·0 cites
- 0362US8528386B2Sniffing leak detector according to the reference measurement principleGROSSE-BLEY WERNER·Filed 2009·Granted Sep 10, 2013·4 cites·12 claims
- 0460US9632001B2Testing device having a test gas containerINFICON GMBH·Filed 2013·Granted Apr 25, 2017·1 cites·9 claims
- 0554US2018328809A1Pressure Measurement at a Test Gas InletINFICON GMBH·Filed 2016·Application pending·0 cites
- 0653US10732067B2Detecting test gas fluctuations during sniffer leak searchingINFICON GMBH·Filed 2016·Granted Aug 4, 2020·0 cites·10 claims
- 0747US8302454B2Method for calibrating a mass spectrometric sniffing leak detectorROLFF NORBERT·Filed 2006·Granted Nov 6, 2012·1 cites·6 claims
- 0841US2016091386A1Sniffing Leak Detector Having a Nanoporous MembraneINFICON GMBH·Filed 2014·Application pending·0 cites
- 0939US7331216B2Leak rate measuring deviceINFICON GMBH·Filed 2004·Granted Feb 19, 2008·1 cites·6 claims
- 1038US2011100097A1Leakage SeekerGERDAU LUDOLF·Filed 2007·Application pending·0 cites
- 1132US2018252613A1Leak Detection Upon Evacuation of a Test Chamber or a SpecimenINFICON GMBH·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →