AF

Alfred Frey

DA Didier-Werke Ag: 3 patents #38 of 217Top 20%
IBM: 2 patents #32,839 of 70,183Top 50%
Overall (All Time): #882,643 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6487980 Refractory ceramic plate and accompanying wall structure for an incinerator Bruno Wilhelmi, Klaus Eichler, Herbert Kinne, Markus Horn, Max Köpf 2002-12-03
5855959 Process for providing catalytically active platinum metal layers Juergen Boecker, Michael Butz, Petra Hofmeister, Hans-Dieter Schmidt 1999-01-05
5624479 Solution for providing catalytically active platinum metal layers Juergen Boecker, Michael Butz, Petra Hofmeister, Hans-Dieter Schmidt 1997-04-29
4762689 Combination of retaining module and catalyst plates Daniel Grimm, Hartmut Kainer 1988-08-09
4728128 Connection assembly for joining two parts Robert Burger 1988-03-01
4448776 Method of using certain substituted aliphatic secondary amines or their salts for easing breathing Karl Bucher, Max Matter, Bernhard Brunner 1984-05-15