David Wallace
12Patents
8h-index
11Co-inventors
69Inventor score
Filing activity: Mar 28, 1990 → Oct 13, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6473885B1 | Digital circuit layout techniques using circuit decomposition and pin swapping | Physics | 25 | Expired |
| US6477688B1 | Logic equivalence leveraged placement and routing of an IC design | Physics | 22 | Expired |
| US6360352B2 | Digital circuit layout techniques | Physics | 21 | Expired |
| US5059407A | Liquid carbon dioxide injection in exothermic chemical reactions | Emerging Cross-Sectional Technologies | 19 | Expired |
| US9495700B2 | Portfolio-level decision support | Physics | 17 | Active |
| US5410886A | Method and apparatus for supplementing mechanical refrigeration by the controlled introduction of a cryogen | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US5720884A | Method for automatic control of corrosion in a water distribution system | Chemistry; Metallurgy | 9 | Expired |
| US6782305B2 | Method of geometric information sharing and parametric consistency maintenance in a collaborative design environment | Emerging Cross-Sectional Technologies | 9 | Expired |
| US7020855B2 | Digital circuit layout techniques using identification of input equivalence | Physics | 7 | Expired |
| US8448403B1 | Water catchment building block | Fixed Constructions | 6 | Active |
| US7398490B2 | Digital circuit layout techniques using binary decision diagram for identification of input equivalence | Physics | 2 | Expired |
| US9798845B2 | User grey cell | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.