HH

Hellmut A. Herrmann

SG Schmidt'Sche Heissdampf Gmbh: 3 patents #1 of 6Top 20%
AG Abb Lummus Global: 1 patents #55 of 152Top 40%
Overall (All Time): #1,053,125 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5816322 Quench cooler John V. Albano, Kandasamy Sundaram 1998-10-06
5536390 Thermal decoking of cracking ovens and coolers 1996-07-16
5464057 Quench cooler John V. Albano, Kandasamy Sundaram 1995-11-07
5007970 Process for the cleaning of steam generator heating surfaces Wolfgang Hubeler 1991-04-16
4867234 Heat exchanger 1989-09-19