BA

Brian D. Andresen

University of California: 9 patents #709 of 18,278Top 4%
SE Sepragen: 5 patents #2 of 19Top 15%
OU Ohio State University: 2 patents #84 of 584Top 15%
UE US Dept of Energy: 2 patents #577 of 5,099Top 15%
PH Pearl Technology Holdings: 1 patents #5 of 14Top 40%
📍 Columbus, OH: #125 of 3,880 inventorsTop 4%
🗺 Ohio: #3,584 of 73,341 inventorsTop 5%
Overall (All Time): #241,802 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
7247273 Thin layer chromatography residue applicator sampler Peter J. Nunes, Fredrick R. Kelly, Jeffrey Haas 2007-07-24
7125580 Method for preparing a solid phase microextraction device using aerogel Fred S. Miller 2006-10-24
6929778 Solid phase microextraction field kit Peter J. Nunes 2005-08-16
6905031 Solid phase microextraction device using aerogel Fred S. Miller 2005-06-14
6871556 Porous protective solid phase micro-extractor sheath Erik Randich 2005-03-29
6749826 Carbon nanotube coatings as chemical absorbers Thomas M. Tillotson, Armando Alcaraz 2004-06-15
6416800 Fiber optic candy Paul J. Weber 2002-07-09
6338824 Method for detection of extremely low concentration Fred S. Miller 2002-01-15
6126804 Integrated polymerase chain reaction/electrophoresis instrument 2000-10-03
5980832 Ultratrace detector for hand-held gas chromatography Fred S. Miller 1999-11-09
5525799 Portable gas chromatograph-mass spectrometer Joel Del Eckels, James F. Kimmons, David W. Myers 1996-06-11
5153433 Portable mass spectrometer with one or more mechanically adjustable electrostatic sectors and a mechanically adjustable magnetic sector all mounted in a vacuum chamber Joel Del Eckels, James F. Kimmons, Walter H. Martin, David W. Myers, Robert F. Keville 1992-10-06
4867947 Interface for liquid chromatograph-mass spectrometer Eric R. Fought 1989-09-19
4865729 Radial thin layer chromatography Vinit Saxena 1989-09-12
4740298 Chromatography column/moving belt interface Vinit Saxena 1988-04-26
4708782 Chromatography column-electrophoresis system Vinit Saxena 1987-11-24
4705616 Electrophoresis-mass spectrometry probe Eric R. Fought 1987-11-10
4501817 Method for the analysis of materials by chromatography and mass spectrometry Kwokei J. Ng 1985-02-26
4391778 Method and apparatus for the analysis of materials by chromatography and mass spectrometry Kwokei J. Ng 1983-07-05