Roy E. Shaffer
16Patents
9h-index
15Co-inventors
69Inventor score
Filing activity: Jun 10, 1960 → Feb 5, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5987833A | Vacuum packaged batt | Emerging Cross-Sectional Technologies | 55 | Expired |
| US5855353A | Vibration damping system | Emerging Cross-Sectional Technologies | 30 | Expired |
| US5421133A | Insulation batt with extended flange | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5916393A | Method for applying adhesive on a porous substrate | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4484195A | Method of screening infra-red radiation | Emerging Cross-Sectional Technologies | 14 | Expired |
| US3975292A | Method of screening infra-red radiation | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4559377A | Ceiling board edge coating | Chemistry; Metallurgy | 9 | Expired |
| US4100102A | Composition for screening infra-red radiation | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5849131A | Method for applying adhesive to an insulation assembly | Emerging Cross-Sectional Technologies | 9 | Expired |
| US7140397B2 | Duct insulation having condensate wicking | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5517729A | Reusable closure device | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4142859A | Chemiluminescent process and detector for monitoring atmospheric contaminants | Chemistry; Metallurgy | 6 | Expired |
| US7427575B2 | Faced fibrous insulation | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4889018A | Lid remover | Performing Operations; Transporting | 4 | Expired |
| US7222645B2 | Duct insulation having condensate wicking | Emerging Cross-Sectional Technologies | 2 | Expired |
| US9682534B1 | Chemical resistant waterproofing membranes | Performing Operations; Transporting | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.