Sergio Castillo
10Patents
7h-index
10Co-inventors
63Inventor score
Filing activity: Aug 13, 1991 → Oct 19, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6164707A | Step bearing race swivel joint assembly | Mechanical Engineering; Lighting; Heating | 40 | Expired |
| US6554249B2 | Plug valve having seal segments with booster springs | Mechanical Engineering; Lighting; Heating | 30 | Expired |
| US5149148A | Pipe swivel joint with improved bore seal | Mechanical Engineering; Lighting; Heating | 28 | Expired |
| USRE39695E1 | Swivel joint with stepped bearing races | General | 26 | Expired |
| US6371527B1 | Swivel joint with stepped bearing races | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US5624124A | Bore seal assembly with wear ring having curvilinear spring support surface | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US5383694A | Load segment assembly with wire rope | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US5931476A | Seal with extended wear sleeve | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US10023914B2 | Thromboembolic disease markers | Chemistry; Metallurgy | 1 | Active |
| US9518297B2 | Thromboembolic disease markers | Chemistry; Metallurgy | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.