Ferton Holding
9Patents
0Active
9Granted
32Portfolio score
Filing activity: Jul 16, 1990 → Feb 22, 2000
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5722980A | Device for removal of calculi | Human Necessities | 225 | Expired |
| US6264660A | Surgical instrument for mechanical removal of bone cement, and process for production of shock waves | Human Necessities | 60 | Expired |
| US5160336A | Device for acting by ultrasonic vibrations on an object | Human Necessities | 58 | Expired |
| US6413230B1 | Medical instrument for treating biological tissue | Human Necessities | 47 | Expired |
| US5840061A | Ejection apparatus for the high pressure ejection of a liquid | Human Necessities | 43 | Expired |
| US5246422A | Device for continuously irrigating and draining human or animal body tissues or cavities | Emerging Cross-Sectional Technologies | 38 | Expired |
| US5857851A | Dental handpiece | Human Necessities | 26 | Expired |
| US5868756A | Handpiece for use in lithotripsy | Human Necessities | 24 | Expired |
| US5121023A | Ultrasonic generator with a piezoelectric converter | Performing Operations; Transporting | 12 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.