ZL

Zhixin Li

F( Ferrotec (Usa): 2 patents #1 of 4Top 25%
Overall (2005): #27,268 of 245,428Top 15%
2
Patents 2005

Issued Patents 2005

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6899338 Ferrofluid seal incorporating multiple types of ferrofluid Kuldip Raj 2005-05-31
6857635 Ultra high vacuum ferrofluidic seals and method of manufacture Andrew Schreiber, Jurgen Zinsstag 2005-02-22