Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
CS

Christopher Sievers

MAMannesmann Vdo Ag: 1 patents #175 of 414Top 45%
Siemens Aktiengesellschaft: 1 patents #10,653 of 22,248Top 50%
Overall (All Time): #2,220,568 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6490171 Apparatus for shielding Reinhold Berberich 2002-12-03
6317035 Apparatus and method for enabling a security device, in particular an access device for a motor vehicle Reinhold Berberich, Thorsten Burger, Gregor Hassler 2001-11-13