DB

David Bullen

UI University Of Illinois: 8 patents #100 of 3,009Top 4%
CL Canadian Fram Limited: 2 patents #5 of 26Top 20%
UE U.S. Department Of Energy: 1 patents #118 of 559Top 25%
🗺 Pennsylvania: #7,358 of 74,527 inventorsTop 10%
Overall (All Time): #457,586 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
10281343 Method and apparatus for measuring a peak load Brian A. McGraw 2019-05-07
7737045 Microfabricated micro fluid channels Chang Liu, Kee Suk Ryu 2010-06-15
7402849 Parallel, individually addressable probes for nanolithography Chang Liu, Ming Zhang 2008-07-22
7351303 Microfluidic systems and components Chang Liu, Kashan Ali Shaikh, Kee Suk Ryu, Edgar D. GOLUCH, Zhifang Fan 2008-04-01
7247895 Electrostatic nanolithography probe actuation device and method Chang Liu 2007-07-24
7217396 Microfabricated micro fluid channels Chang Liu, Kee Suk Ryu 2007-05-15
7081624 Scanning probe microscopy probes and methods Chang Liu, Jun Zou, Xuefeng Wang 2006-07-25
6867443 Parallel, individually addressable probes for nanolithography Chang Liu, Ming Zhang 2005-03-15
6642129 Parallel, individually addressable probes for nanolithography Chang Liu, Ming Zhang 2003-11-04
4677877 Accessory drive with band brake Andrew G. Anderson, Robert G. Ferguson 1987-07-07
4662861 Two speed accessory drive Michael B. Seung, Ramalingam Sivalingham, Andrew G. Anderson, Donald A. McCharles 1987-05-05