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USPTO Patent Rankings Data through Dec 31, 2025
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Alfred Riggers — 2 Patents

DADaimler Ag: 1 patents #789 of 2,089Top 40%
BOBorgwarner: 1 patents #1,697 of 1,733Top 100%
Sittensen, DE: #4 of 15 inventorsTop 30%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Alfred Riggers has been granted 2 US patents while listed as an inventor at Borgwarner. The first was granted in 2008 and the most recent in May 2012. Alfred Riggers ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Alfred Riggers in Sittensen, DE.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8183494 Method for connecting a sheet metal component, such as a pipe, to a cast metal component, such as a housing port, in particular for an exhaust system Wilfried Bien, Jan Elfeldt, Michael Halves, Thomas Huelsberg, Uwe Klussmann +6 more 2012-05-22 $19,873,000
7343678 Method and device for production of a hollow section Wilfried Bien, Michael Halves, Thomas Hulsberg, Uwe Klussmann, Bernhard Muller +5 more 2008-03-18 $118,144,000