David Nelson
7Patents
1Active
7Granted
42Portfolio score
Filing activity: May 13, 1985 → Nov 27, 2023
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5944576A | Formable balloon stick with concealing cup | Human Necessities | 36 | Expired |
| US6185862A | Capturing device for insects | Human Necessities | 25 | Expired |
| US5996738A | Collapsible tree stand with rotating seat | Human Necessities | 22 | Expired |
| US5989093A | Balloon weight and ribbon assembly | Human Necessities | 15 | Expired |
| US4921402A | Balloon inflator valve | Emerging Cross-Sectional Technologies | 10 | Expired |
| USD292428S | Fly swatter blade | General | 3 | Expired |
| US12416146B2 | Ventilated toilet | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.