Ulf Sjöstrand
4Patents
4h-index
1Co-inventors
44Inventor score
Filing activity: Nov 13, 1974 → Sep 27, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3993059A | Device for ventilating a patient | Human Necessities | 58 | Expired |
| USD681357S1 | Shower stool | General | 12 | Active |
| USD681358S1 | Shower stool | General | 8 | Active |
| US4788331A | Method of preparing 5-amino salicylic acid | Chemistry; Metallurgy | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.