Enron Corp.
🏢 View company profile →9Patents
0Active
9Granted
29Portfolio score
Filing activity: Aug 25, 1983 → Mar 9, 1998
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4637219A | Peak shaving system for air conditioning | Mechanical Engineering; Lighting; Heating | 57 | Expired |
| US4653321A | Method of automatically measuring fluid flow rates | Physics | 32 | Expired |
| US4769897A | Method for forming a press-fitted pipe joint | Emerging Cross-Sectional Technologies | 29 | Expired |
| US4638286A | Reactive gas sensor | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4643110A | Direct fuel-fired furnace arrangement for the recovery of gallium and germanium from coal fly ash | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4678647A | Process for the recovery of gallium and germanium from coal fly ash | Chemistry; Metallurgy | 7 | Expired |
| US4757770A | Condensate sand collection system | Chemistry; Metallurgy | 6 | Expired |
| US5934138A | Tool and method for bending angle stock | Performing Operations; Transporting | 5 | Expired |
| US4757772A | Sand collection system | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.