John Burwell
15Patents
7h-index
17Co-inventors
63Inventor score
Filing activity: Jun 22, 1989 → Oct 8, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4948007A | Underground storage tank of corrosion-resistant materials with internal steel rib | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5220823A | Double walled underground storage tank | Performing Operations; Transporting | 15 | Expired |
| US6551024B1 | System and method for detecting leaks in underground storage tank | Physics | 13 | Expired |
| US5720404A | Female-molded underground storage tank and method of making | Performing Operations; Transporting | 9 | Expired |
| US6167608A | Tank upgrading method and tank assembly | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6698610B2 | Triple walled underground storage tank | Performing Operations; Transporting | 7 | Expired |
| US7028967B2 | Tank retaining system | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6398057B1 | Triple walled underground storage tank | Performing Operations; Transporting | 5 | Expired |
| US8091728B2 | Wet well apparatus with base form and installation method regarding same | Emerging Cross-Sectional Technologies | 5 | Active |
| US6517719B1 | Oil and water separator | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6467344B1 | Underground storage tank buoyancy and buoyancy safety factor calculation method and apparatus | Performing Operations; Transporting | 3 | Expired |
| US7150582B2 | Form for street box in underground storage tank installation | Performing Operations; Transporting | 3 | Expired |
| US7229233B2 | Double walled containment sumps | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6889865B1 | Method and apparatus for pressure testing storage tanks | Performing Operations; Transporting | 1 | Expired |
| US7337590B2 | Tank retaining system | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.