John Ma
10Patents
5h-index
15Co-inventors
52Inventor score
Filing activity: Mar 16, 2001 → Oct 20, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6619673B2 | Mechanism for fixing the height of the trailer floor at a plurality of levels by fixing the angular position of a pivoting suspension component | Performing Operations; Transporting | 50 | Expired |
| US7072763B2 | Intelligent load distribution system | Physics | 36 | Expired |
| US6793233B2 | Trailer slider pin control system | Performing Operations; Transporting | 10 | Expired |
| US6471227B2 | Method for securing slider to trailer | Performing Operations; Transporting | 5 | Expired |
| US6641157B2 | Method for securing slider to trailer | Performing Operations; Transporting | 5 | Expired |
| US6793035B2 | Semi-independent swing arm suspension system for a low floor vehicle | Performing Operations; Transporting | 4 | Expired |
| US6755093B2 | Planetary drive assembly with idlers for low floor vehicle | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7204339B2 | Vehicle wheel end assembly with wheel adapter | Performing Operations; Transporting | 3 | Expired |
| US6659217B2 | Drive assembly for low floor vehicle | Performing Operations; Transporting | 1 | Expired |
| US6719315B2 | Trailer suspension slider energy absorbing device | Performing Operations; Transporting | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.