Alwin Perras — 3 Patents at Siemens Aktiengesellschaft

Alwin Perras has been granted 3 US patents while listed as an inventor at Siemens Aktiengesellschaft. The first was granted in 2004 and the most recent in September 2005. Alwin Perras ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Alwin Perras in Johanngeorgenstadt, DE.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
6938880	Injection valve comprising an optimized surface geometry between a nozzle body and a retaining nut	Olaf Enke, Gunter Lewentz, Andreas Voigt, Hakan Yalcin	2005-09-06	$223,000
6886539	Device for fixing injectors on a cylinder head	—	2005-05-03	$246,000
6799748	Injection valve comprising an optimized surface geometry between a nozzle body and a retaining nut	Olaf Enke, Gunter Lewentz, Andreas Voigt, Hakan Yalcin	2004-10-05	$381,000

Alwin Perras — 3 Patents

Issued Patents All Time

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