Sunspool Corporation
2Patents
0Active
2Granted
22Portfolio score
Filing activity: Feb 20, 1981 → Feb 16, 1983
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4395882A | Freeze protection apparatus for solar collectors | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4541412A | Check valve and spring to prevent forward and reverse thermosiphoning in solar collector systems | Emerging Cross-Sectional Technologies | 3 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.