ENERGY TECHNOLOGY GROUP
11Patents
4Active
11Granted
42Portfolio score
Filing activity: Mar 26, 1974 → Sep 15, 2017
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7304587B2 | Automated meter reading system, communication and control network for automated meter reading, meter data collector program product, and associated methods | Electricity | 165 | Expired |
| US3950949A | Method of converting low-grade heat energy to useful mechanical power | Mechanical Engineering; Lighting; Heating | 52 | Expired |
| US7400264B2 | Automated meter reading system, communication and control network for automated meter reading, meter data collector, and associated methods | Emerging Cross-Sectional Technologies | 51 | Expired |
| US4965492A | Lighting control system and module | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5809913A | Corrosion protection for utility boiler side walls | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US8742612B1 | Turbine having counter-rotating armature and field | Emerging Cross-Sectional Technologies | 11 | Active |
| US5883577A | Multi station smoke detectors | Physics | 4 | Expired |
| US4693233A | Air preheater system | Emerging Cross-Sectional Technologies | 3 | Expired |
| US10138720B2 | Method and system for perforating and fragmenting sediments using blasting material | Fixed Constructions | 2 | Active |
| US9353868B2 | Seal for energy recovery wheels having spaced apart lateral walls | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US9128840B2 | Methods for providing for correcting data and associated apparatus | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.