Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
PB

Patricia Brown — 4 Patents

Basf Se: 2 patents #5,851 of 13,826Top 45%
HP: 1 patents #8,774 of 16,619Top 55%
Portsmouth, VA: #7 of 90 inventorsTop 8%
Virginia: #7,477 of 34,511 inventorsTop 25%
Overall (All Time): #1,250,249 of 4,157,543Top 35%
4 Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7329701 Superabsorbent polymers and method of manufacturing the same Norbert Herfert, Michael M. Azad, Michael A. Mitchell, Guy Thomas Woodrum, William Chiang +1 more 2008-02-12
6990640 DIMM and method for producing a DIMM Derek Schumacher, Vince Leung 2006-01-24
6694490 DIMM and method for producing a DIMM Derek Schumacher, Vince Leung 2004-02-17
6297335 Crosslinked, hydrophilic, highly swellable hydrogels, production thereof and use thereof Rüdiger Funk, Norbert Herfert, Mariola Wanior, Fritz Engelhardt, Guy Thomas Woodrum 2001-10-02