LW

Ludwig Wilhelm

GF Georg Fischer: 6 patents #6 of 149Top 5%
📍 Engen, DE: #10 of 42 inventorsTop 25%
Overall (All Time): #892,415 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5163562 Process for reclaiming bentonite and carbon particles from used foundry sand Peter Rossmanith 1992-11-17
5115985 Method for the regenerative treatment of mainly clay-bound foundry old sand Franz Satmer 1992-05-26
5114474 Arrangement and method for introducing waste material into a molten slag Hans Schmidt 1992-05-19
5103894 Process for the treatment of clay-bonded used casting sand Franz Satmer 1992-04-14
5091624 Method of flash butt welding high-carbon material, in particular nodular cast iron Anton Alt, Peter Toelke, Urban Zimmermann 1992-02-25
4900375 Magnesium-treated, decarburizingly-annealed cast iron material Anton Alt, Guenter Schulte, Peter Toelke 1990-02-13