HG

Hans-Dieter Grasshoff

Chevron: 2 patents #1,772 of 4,788Top 40%
Overall (All Time): #883,736 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6245253 Liquid composition and its use as magneto-rheological liquid Dietrich Pirck 2001-06-12
5830833 Synthetic ester lubricants for refrigerator systems Vladislav Synek, Harald Kohnz 1998-11-03
5800731 Homogeneous electroviscous fluids using aluminum compounds Dietrich Pirck, Harald Kohnz, Peter Finmans, Tobias Carstensen, Dieter Jakubik +2 more 1998-09-01
5474714 Non-polluting shock absorber and level controller fluids Dietrich Pirck 1995-12-12
5049292 Lubricant composition for refrigerator systems Vladislav Synek 1991-09-17
4737299 Lubricating greases for high operating temperatures Herbert Maak 1988-04-12