Subbu Thenappan
6Patents
4h-index
7Co-inventors
50Inventor score
Filing activity: Apr 11, 2000 → Sep 1, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7298968B1 | Pumpless combination instantaneous/storage water heater system | Mechanical Engineering; Lighting; Heating | 43 | Active |
| US7013841B1 | Differently configured fuel-fired water heaters constructed from identical production platforms | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US7337752B2 | Instantaneous fuel-fired water heater with low temperature plastic vent structure | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US6282372A | Multi-position point of use electric water heater | Electricity | 4 | Expired |
| US9004018B2 | High efficiency gas-fired water heater | Emerging Cross-Sectional Technologies | 2 | Active |
| US12352439B2 | Systems for water heater baffles on recreational vehicles | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.