Hermann Jacob

GF Georg Fischer: 2 patents #30 of 149Top 25%

📍 Seevetal, DE: #66 of 356 inventorsTop 20%

Overall (All Time): #1,658,098 of 4,157,543Top 40%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
5219123	Process for the selective reclamation treatment of used foundry sand	—	1993-06-15
5163496	Process for treating old foundry sand for reuse in place of core sand	—	1992-11-17
4203777	Method for purifying particulate mould material	—	1980-05-20