David M. Simmons
2Patents
1Active
2Granted
35Portfolio score
Filing activity: Sep 5, 2000 → Sep 9, 2011
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6687720B1 | Percentage and average calculator with expanded display | Physics | 6 | Expired |
| US8622720B2 | Reciprocating fluid pumps including magnets and related methods | Emerging Cross-Sectional Technologies | 4 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.