Daniel E. Barrer
13Patents
6h-index
17Co-inventors
63Inventor score
Filing activity: Oct 1, 1979 → Dec 19, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4741848A | Boron-containing compositions, and lubricants and fuels containing same | Chemistry; Metallurgy | 42 | Expired |
| US4237022A | Tartarimides and lubricants and fuels containing the same | Chemistry; Metallurgy | 35 | Expired |
| US5354485A | Lubricating compositions, greases, aqueous fluids containing organic ammonium thiosulfates | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US5300242A | Metal overbased and gelled natural oils | Chemistry; Metallurgy | 14 | Expired |
| US7651987B2 | Tartaric acid derivatives as fuel economy improvers and antiwear agents in crankcase oils and preparation thereof | Chemistry; Metallurgy | 12 | Active |
| US7807611B2 | Tartaric acid derivatives as fuel economy improvers and antiwear agents in crankcase oils and preparation thereof | Chemistry; Metallurgy | 12 | Active |
| US5508331A | Metal overbased and gelled natural oils | Chemistry; Metallurgy | 2 | Expired |
| US5108631A | Method of overbasing with a hydroxy sulfonic acid copromoter | Chemistry; Metallurgy | 1 | Expired |
| US8148307B2 | Tartaric acid derivatives as fuel economy improvers and antiwear agents in crankcase oils and preparations thereof | Chemistry; Metallurgy | 0 | Active |
| US9643374B2 | Device and method for processing flat products | Performing Operations; Transporting | 0 | Active |
| US7422999B2 | Overbased vaterite containing salt composition | Chemistry; Metallurgy | 0 | Active |
| US8133290B2 | Tartaric acid derivatives in fuel compositions | Chemistry; Metallurgy | 0 | Active |
| US8198222B2 | Tartaric acid derivatives as fuel economy improvers and antiwear agents in crankcase oils and preparations thereof | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.