HL

Heinrich Lotz

PV Pfeiffer Vacuum: 3 patents #2 of 5Top 40%
Overall (2003): #29,948 of 273,478Top 15%
3
Patents 2003

Issued Patents 2003

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6638010 Gas friction pump Armin Conrad 2003-10-28
6561755 Turbomolecular pump Jörg Stanzel 2003-05-13
6524060 Gas friction pump Armin Conrad 2003-02-25