FAFCO INCORPORATED
20Patents
2Active
20Granted
47Portfolio score
Filing activity: Oct 29, 1973 → Oct 28, 2021
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6158499A | Method and apparatus for thermal energy storage | Emerging Cross-Sectional Technologies | 89 | Expired |
| US3934323A | Solar heat exchange panel and method of fabrication | Emerging Cross-Sectional Technologies | 40 | Expired |
| US5979548A | Heat exchanger having heat exchange tubes with angled heat-exchange performance-improving indentations | Emerging Cross-Sectional Technologies | 32 | Expired |
| US4098331A | Solar heat exchange panel and method of fabrication | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4205662A | Solar panel assembly | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4119334A | Spinwelded plastic pipe coupling joint | Performing Operations; Transporting | 17 | Expired |
| US6038768A | Method and apparatus for coupling panel boards and tubing to a header pipe | Emerging Cross-Sectional Technologies | 13 | Expired |
| US3982723A | Pinch valve and method for fabrication | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4407477A | Tiedown fastening device | Emerging Cross-Sectional Technologies | 11 | Expired |
| US7398779B2 | Thermosiphoning system with side mounted storage tanks | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6487768B2 | Heat exchanger manufacturing system | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6722358B2 | Integral collector storage system with heat exchange apparatus | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4598450A | Method for fabricating a solar energy collector assembly utilizing a specifically designed fluid storage arrangement | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4020828A | Pressure relief valve apparatus and method | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US6581273B1 | Heat exchanger tube weaving apparatus and method | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4243454A | Solar heating panel forming apparatus and method | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6709616B2 | Method and apparatus for continuous injection molding | Performing Operations; Transporting | 3 | Expired |
| US10381500B2 | Fluid cooled integrated photovoltaic module | Emerging Cross-Sectional Technologies | 2 | Active |
| US7328509B2 | Method of operating a weaving mechanism to insert a spacer between the tubes of a heat exchanger | Emerging Cross-Sectional Technologies | 1 | Expired |
| US11885509B2 | Thermal solar assisted water heating system | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.