Gary D. Goplen
10Patents
8h-index
13Co-inventors
69Inventor score
Filing activity: Jul 18, 1975 → Feb 20, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4011922A | Muffler construction | Mechanical Engineering; Lighting; Heating | 27 | Expired |
| US6250422A | Dual cross-flow muffler | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US5314009A | Exhaust gas recuperator | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6457553B1 | Low cost muffler | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US4872528A | Muffler construction | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US4712643A | Particulate trap exhaust muffler | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US6076632A | Cross flow baffle muffler | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US8181453B2 | Exhaust Venturi apparatus, system, and method | Emerging Cross-Sectional Technologies | 9 | Active |
| US7591345B1 | Angled muffler seam construction and method | Emerging Cross-Sectional Technologies | 2 | Active |
| US7896575B2 | Soil compactor having low profile muffler | Mechanical Engineering; Lighting; Heating | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.