Parkell Products, Inc.
8Patents
0Active
8Granted
28Portfolio score
Filing activity: Aug 16, 1976 → Feb 3, 1998
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5451161A | Oscillating circuit for ultrasonic dental scaler | Performing Operations; Transporting | 137 | Expired |
| US5382162A | Autoclavable dental scaler handpiece sheath | Human Necessities | 41 | Expired |
| US5911580A | Method for preparing dental models | Human Necessities | 31 | Expired |
| US5730594A | Ultrasonic dental scaler selectively tunable either manually or automatically | Human Necessities | 23 | Expired |
| US6086369A | Ultrasonic dental scaler insert | Human Necessities | 23 | Expired |
| US5941702A | Air-abrading tool | Human Necessities | 13 | Expired |
| US5718586A | Polymeric composition | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4118866A | Dental handpiece control apparatus | Emerging Cross-Sectional Technologies | 6 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.