John A. Cleverley
10Patents
4h-index
21Co-inventors
56Inventor score
Filing activity: Oct 11, 1983 → Jan 3, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6153564A | Lubricating oil compositions | Chemistry; Metallurgy | 13 | Expired |
| US5534168A | Preparation of overbased magnesium sulphonates | Chemistry; Metallurgy | 6 | Expired |
| US6211123A | Lubricating oil compositions | Chemistry; Metallurgy | 6 | Expired |
| US4557872A | Basic alkaline earth metal sulphonates | Chemistry; Metallurgy | 4 | Expired |
| US6569821B1 | Overbased metal detergents | Chemistry; Metallurgy | 4 | Expired |
| US5922655A | Magnesium low rate number sulphonates | Chemistry; Metallurgy | 3 | Expired |
| US5883056A | Magnesium low base number sulphonates | Chemistry; Metallurgy | 3 | Expired |
| US4957642A | Magnesium phenate detergents | Chemistry; Metallurgy | 3 | Expired |
| US4797217A | Overbased additives | Chemistry; Metallurgy | 3 | Expired |
| US4839094A | Overbased alkali metal additives | Chemistry; Metallurgy | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.