JH

James Ferguson Holtz

OI Oldcastle Infrastructure: 3 patents #2 of 16Top 15%
AR American Regent: 1 patents #130 of 274Top 50%
OP Oldcastle Precast: 1 patents #30 of 53Top 60%
📍 Portland, OR: #2,786 of 9,213 inventorsTop 35%
🗺 Oregon: #7,313 of 28,073 inventorsTop 30%
Overall (All Time): #957,468 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
11479487 Stormwater management system with internal bypass Christopher Ryan Demarest 2022-10-25
11420880 Stormwater filtration system with internal bypass pipe Christopher Ryan Demarest 2022-08-23
10696573 Tree box filter with hydromodification panels Chris Ryan Demarest 2020-06-30
10118846 Tree box filter with hydromodification panels Chris Ryan Demarest 2018-11-06
7833412 Stormwater treatment system with flow distribution overflow/bypass tray 2010-11-16