Chellappa Balan
38Patents
13h-index
56Co-inventors
84Inventor score
Filing activity: Feb 15, 1991 → Jan 6, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7752848B2 | System and method for co-production of hydrogen and electrical energy | Emerging Cross-Sectional Technologies | 98 | Active |
| US7124584B1 | System and method for heat recovery from geothermal source of heat | Emerging Cross-Sectional Technologies | 95 | Expired |
| US7802434B2 | Systems and processes for reducing NOx emissions | Performing Operations; Transporting | 81 | Active |
| US7650744B2 | Systems and methods of reducing NOx emissions in gas turbine systems and internal combustion engines | Emerging Cross-Sectional Technologies | 79 | Active |
| US7347049B2 | Method and system for thermochemical heat energy storage and recovery | Emerging Cross-Sectional Technologies | 54 | Expired |
| US7266940B2 | Systems and methods for power generation with carbon dioxide isolation | Emerging Cross-Sectional Technologies | 39 | Expired |
| US5201850A | Rotor tip shroud damper including damper wires | Emerging Cross-Sectional Technologies | 38 | Expired |
| US7315769B2 | Multi-tier benefit optimization for operating the power systems including renewable and traditional generation, energy storage, and controllable loads | Emerging Cross-Sectional Technologies | 32 | Expired |
| US10644331B2 | Rapid start hybrid solid oxide fuel cell power system | Emerging Cross-Sectional Technologies | 31 | Active |
| US10069150B2 | Alternative path cooling of a high temperature fuel cell | Emerging Cross-Sectional Technologies | 29 | Active |
| US7345873B2 | System and method for cooling electronic systems | Physics | 21 | Expired |
| US7410713B2 | Integrated fuel cell hybrid power plant with re-circulated air and fuel flow | Emerging Cross-Sectional Technologies | 14 | Expired |
| US8337154B2 | High efficiency cooling fan | Mechanical Engineering; Lighting; Heating | 14 | Active |
| US7595124B2 | Integrated fuel cell hybrid power plant with controlled oxidant flow for combustion of spent fuel | Emerging Cross-Sectional Technologies | 13 | Active |
| US7384620B2 | Method and system for producing hydrogen by reforming hydrogen-containing gas | Emerging Cross-Sectional Technologies | 12 | Expired |
| US7848101B2 | System and method for cooling electronic systems | Physics | 11 | Active |
| US8157518B2 | Low camber microfan | Emerging Cross-Sectional Technologies | 10 | Active |
| US7819641B2 | Reverse flow cooling for fan motor | Mechanical Engineering; Lighting; Heating | 9 | Active |
| US7153599B2 | Cooled turbine integrated fuel cell hybrid power plant | Emerging Cross-Sectional Technologies | 9 | Expired |
| US7168918B2 | High performance cooling fan | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US7721554B2 | Aircraft auxiliary gas turbine engine and method for operating | Mechanical Engineering; Lighting; Heating | 7 | Active |
| US6846208B1 | Wave rotor based power and propulsion generation for a marine vessel | Emerging Cross-Sectional Technologies | 7 | Expired |
| US7331179B2 | System and method for production of hydrogen | Emerging Cross-Sectional Technologies | 7 | Expired |
| US8622695B2 | Flow trim for vane-axial fans | Mechanical Engineering; Lighting; Heating | 7 | Active |
| US7969734B2 | Unique cooling scheme for advanced thermal management of high flux electronics | Emerging Cross-Sectional Technologies | 6 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.