Inventor · disambiguated record
David Schwingshackl
Also filed as: SCHWINGSHACKL DAVID
6 granted patents·1 pending application·35 citations·filing 2000–2009
80Inventor score
Top patents by PatentIndex Score
7 records- 0171US7813496B2Method for reducing a computational complexity in non-linear filter arrangements as well as corresponding filter arrangementsLANTIQ DEUTSCHLAND GMBH·Filed 2005·Granted Oct 12, 2010·8 cites·27 claims
- 0269US6587544B2Method for measuring a load impedanceINFINEON TECHNOLOGIES AG·Filed 2001·Granted Jul 1, 2003·10 cites·13 claims
- 0368US8339145B2Line testingNOESSING GERHARD·Filed 2009·Granted Dec 25, 2012·3 cites·21 claims
- 0460US7164708B1Line termination device for a telephone subscriber lineINFINEON TECHNOLOGIES AG·Filed 2000·Granted Jan 16, 2007·8 cites·13 claims
- 0554US8411871B2Echo cancellationSCHWINGSHACKL DAVID·Filed 2007·Granted Apr 2, 2013·2 cites·19 claims
- 0654US7496150B2Transmission apparatus with variable impedance matchingINFINEON TECHNOLOGIES AG·Filed 2004·Granted Feb 24, 2009·4 cites·9 claims
- 0747US2007184808A1Method and device for transmitting speech signals via a data telecommunications networkINFINEON TECHNOLOGIES AG·Filed 2004·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when David Schwingshackl files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →