DR

David E. Ripple

TL The Lubrizol: 11 patents #78 of 659Top 15%
Overall (All Time): #411,969 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11019898 Picnic food transportation assembly 2021-06-01
6596672 Low ash lubricant compositions containing multiple overbased materials and multiple antioxidants Virginia A. Carrick, Ewa A. Bardasz 2003-07-22
5674819 Carboxylic compositions, derivatives,lubricants, fuels and concentrates Matthew R. Sivik 1997-10-07
5328620 Oil additive package useful in diesel engine and transmission lubricants 1994-07-12
5259967 Low ash lubricant composition 1993-11-09
5202036 Diesel lubricants and methods Jack L. Karn, Daniel M. Vargo 1993-04-13
4981602 Lubricating oil compositions and concentrates Calvin W. Schroeck 1991-01-01
4957649 Lubricating oil compositions and concentrates William B. Chamberlin, III 1990-09-18
4938881 Lubricating oil compositions and concentrates William B. Chamberlin, III 1990-07-03
4904401 Lubricating oil compositions Calvin W. Schroeck 1990-02-27
4194886 Haloalkyl hydroxy-aromatic condensation products as fuel additives 1980-03-25
4186157 Phosphorus-containing reaction mixture 1980-01-29