DF

David D. Friese

The Dow Chemical: 3 patents #1,092 of 4,115Top 30%
DO Dowelanco: 1 patents #98 of 212Top 50%
ZL Zeneca Limited: 1 patents #430 of 867Top 50%
📍 Orinda, CA: #111 of 531 inventorsTop 25%
🗺 California: #66,801 of 386,348 inventorsTop 20%
Overall (All Time): #564,674 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
10843950 Piping manifold for pulsating flow 2020-11-24
9902634 Modules for use in and operation of a membrane biofilm reactor with reduced biofouling Ryan S. Overstreet 2018-02-27
8323497 Removal of selenium in contaminated wastewater streams Charles J. Borg, Tyze-Kuan Tim Yin 2012-12-04
7815801 Removal of selenium in contaminated wastewater streams Charles J. Borg, Tyze-Kuan Tim Yin 2010-10-19
6143899 Chemical process Alexander P. Fung, Erwin Michael Seidel, Alan John Whitton, Alastair lain Currie Stewart, Jennifer Ann White +2 more 2000-11-07
4999432 Fluorination with hydrogen fluoride Jerry M. Elledge 1991-03-12
4950464 Purification of sulfuryl fluroide by selective adsorption George S. Fujioka, Brian G. Tobey 1990-08-21
4649201 Removal of ferric chloride from halopyridines 1987-03-10
4629610 Hydrogen fluoride recovery process Mark A. Van Dort 1986-12-16