DW

Douglas P. Wittmer

WT Waters Technologies: 3 patents #141 of 422Top 35%
MI Millipore: 2 patents #123 of 440Top 30%
WL Waters Investments Limited: 1 patents #59 of 112Top 55%
📍 Shrewsbury, MA: #235 of 938 inventorsTop 30%
🗺 Massachusetts: #20,307 of 88,656 inventorsTop 25%
Overall (All Time): #833,473 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
10183238 Flow splitting in supercritical fluid chromatography systems Michael R. Jackson, James E. Usowicz, Lucas O. Tiziani, Joseph A. Jarrell 2019-01-22
9764251 Introducing samples into supercritical fluid chromatography systems Emily J. Berg, Joshua A. Shreve, James E. Usowicz, Aaron Lebeau 2017-09-19
9027635 Heat exchange surface including a hydrophobic coating layer Joseph Kareh, Theodore D. Ciolkosz, Joseph A. Jarrell 2015-05-12
6140640 Electrospray device Joseph A. Jarrell 2000-10-31
5306910 Time modulated electrified spray apparatus and process Joseph A. Jarrell, Michael J. Tomany 1994-04-26
5223226 Insulated needle for forming an electrospray Michael J. Tomany, Joseph A. Jarell 1993-06-29