Inventor · disambiguated record
Axel Grell
Also filed as: GRELL AXEL
18 granted patents·6 pending applications·114 citations·filing 2002–2022
93Inventor score
Files withSENNHEISER ELECTRONIC6SENNHEISER ELECTRONIC GMBH & CO KG6GRELL AXEL3HEAVYS INC2HINKE CLAUS-PETER1
Top patents by PatentIndex Score
24 records- 0188US9918179B2Methods and devices for reproducing surround audio signalsSENNHEISER ELECTRONIC GMBH & CO KG·Filed 2017·Granted Mar 13, 2018·9 cites·31 claims
- 0285US10178465B2Headphone unitSENNHEISER ELECTRONIC GMBH & CO KG·Filed 2016·Granted Jan 8, 2019·7 cites·8 claims
- 0383US9247337B2Headphone and headsetSENNHEISER ELECTRONIC·Filed 2014·Granted Jan 26, 2016·9 cites·6 claims
- 0483US8103015B2Wire-free headset, portable media playerMEYER ROLF·Filed 2007·Granted Jan 24, 2012·6 cites·7 claims
- 0579US9635484B2Methods and devices for reproducing surround audio signalsSENNHEISER ELECTRONIC GMBH & CO KG·Filed 2014·Granted Apr 25, 2017·5 cites·29 claims
- 0678US8885834B2Methods and devices for reproducing surround audio signalsKUHR MARKUS·Filed 2009·Granted Nov 11, 2014·10 cites·11 claims
- 0775US7292703B2HeadphonesSENNHEISER ELECTRONIC·Filed 2003·Granted Nov 6, 2007·21 cites·1 claims
- 0874US7940947B2Headphone setSENNHEISER ELECTRONIC·Filed 2007·Granted May 10, 2011·7 cites·4 claims
- 0970US7639832B2HeadphonesSENNHEISER ELECTRONIC·Filed 2005·Granted Dec 29, 2009·11 cites·2 claims
- 1064US8731231B2Dynamic sound transducer and receiverTESKE-FISCHER TILL·Filed 2008·Granted May 20, 2014·6 cites·10 claims
- 1164US8180092B2Converter system for an active noise compensation apparatusGRELL AXEL·Filed 2006·Granted May 15, 2012·4 cites·2 claims
- 1260US8215445B2Electroacoustic transducerWILDHAGEN JENS·Filed 2007·Granted Jul 10, 2012·3 cites·9 claims
- 1356US8295530B2Headphones and headsetGRELL AXEL·Filed 2010·Granted Oct 23, 2012·1 cites·9 claims
- 1454US7162051B2HeadphoneSENNHEISER ELECTRONIC·Filed 2003·Granted Jan 9, 2007·8 cites·2 claims
- 1554US6934401B2Closed headphones with transducer systemSENNHEISER ELECTRONICS GMBH &·Filed 2002·Granted Aug 23, 2005·6 cites·5 claims
- 1652US8363874B2ReceiverSENNHEISER ELECTRONIC·Filed 2009·Granted Jan 29, 2013·1 cites·5 claims
- 1748US2025008266A1System and method of controlling loudness of an electroacoustic transducerHEAVYS INC·Filed 2022·Application pending·0 cites
- 1848US2025097619A1Headphones comprising a plurality of acoustic elementsHEAVYS INC·Filed 2022·Application pending·0 cites
- 1944US2007258608A1HeadphoneNEIHOFF WOLFGANG·Filed 2005·Application pending·0 cites
- 2043US2009103745A1Headset with Active Noise CompensationGRELL AXEL·Filed 2008·Application pending·0 cites
- 2137US2008008347A1Acoustic TransducerHINKE CLAUS-PETER·Filed 2005·Application pending·0 cites
- 2235US10477293B2HeadphoneSENNHEISER ELECTRONIC GMBH & CO KG·Filed 2018·Granted Nov 12, 2019·0 cites·3 claims
- 2334US10128806B2Method of controlling an audio amplifier unit and audio amplifier unitSENNHEISER ELECTRONIC GMBH & CO KG·Filed 2017·Granted Nov 13, 2018·0 cites·22 claims
- 2431US2017085227A1Hifi audio tube amplifierSENNHEISER ELECTRONIC GMBH & CO KG·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →