John S. Cottrell
11Patents
9h-index
8Co-inventors
61Inventor score
Filing activity: Mar 3, 1980 → May 9, 1996
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5807816A | Light duty cleaning composition | Chemistry; Metallurgy | 25 | Expired |
| US5260571A | Method of preparing a sample for analysis | Physics | 22 | Expired |
| US4820648A | Methods for use in the mass analysis of chemical samples | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4524275A | Multiple collector mass spectrometers | Electricity | 18 | Expired |
| US5461235A | Mass spectrometry apparatus and method relating thereto | Physics | 13 | Expired |
| US4299717A | Detergent compositions | Chemistry; Metallurgy | 10 | Expired |
| US4299716A | Detergent compositions | Chemistry; Metallurgy | 10 | Expired |
| US4908512A | Apparatus and methods of use in the mass analysis of chemical samples | Electricity | 10 | Expired |
| US5281538A | Method of preparing a sample for analysis by laser desorption mass spectrometry | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5308978A | Method of preparing a sample for analysis | Physics | 5 | Expired |
| USD344139S | Mass spectometer sample slide | General | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.