Assignee
NIESSNER WERNER
5 granted patents·1 pending application·6 citations·filing 2007–2012
Top patents by PatentIndex Score
6 records- 0170US7980908B2Spark plug and method for production of a spark plugNIESSNER WERNER·Filed 2008·Granted Jul 19, 2011·4 cites·4 claims
- 0264US8742652B2HF ignition deviceNIESSNER WERNER·Filed 2011·Granted Jun 3, 2014·1 cites·8 claims
- 0353US8471449B2Attaching a precious metal component to spark plug electrode and spark plug having the sameNIESSNER WERNER·Filed 2011·Granted Jun 25, 2013·1 cites·15 claims
- 0445US8680757B2Spark plug and method for the production thereofNIESSNER WERNER·Filed 2012·Granted Mar 25, 2014·0 cites·19 claims
- 0543US8476816B2Spark plug and method for manufacturing a spark plugNIESSNER WERNER·Filed 2011·Granted Jul 2, 2013·0 cites·19 claims
- 0638US2010007260A1Spark plug having an insulator composed of high-purity aluminium oxide ceramicNIESSNER WERNER·Filed 2007·Application pending·0 cites
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