RH

Robert O. Hoffland

📍 Conroe, TX: #143 of 788 inventorsTop 20%
🗺 Texas: #21,377 of 125,132 inventorsTop 20%
Overall (All Time): #703,352 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
11634349 Two-stage biogas production system for anaerobic digesters Prince N. Dugba 2023-04-25
7585413 Method and apparatus for treating animal waste and wastewater 2009-09-08
7005068 Method and apparatus for treating animal waste and wastewater 2006-02-28
6630072 Methods and apparatuses for treating waste water 2003-10-07
6054044 Apparatus and methods for wastewater treatment from high volume livestock production Jim Austin 2000-04-25
4952066 Method and apparatus for diluting and activating polymer 1990-08-28
4747691 Method and apparatus for diluting and activating polymer 1988-05-31