ERGENICS CORPORATION
28Patents
4Active
28Granted
35Portfolio score
Filing activity: Feb 12, 1979 → Feb 13, 2012 · 3 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4884953A | Solar powered pump with electrical generator | Emerging Cross-Sectional Technologies | 47 | Expired |
| US5532074A | Segmented hydride battery | Emerging Cross-Sectional Technologies | 34 | Expired |
| US4839085A | Method of manufacturing tough and porous getters by means of hydrogen pulverization and getters produced thereby | Emerging Cross-Sectional Technologies | 33 | Expired |
| US5673556A | Disproportionation resistant metal hydride alloys for use at high temperatures in catalytic converters | Emerging Cross-Sectional Technologies | 32 | Expired |
| US5485884A | Hydride operated reversible temperature responsive actuator and device | Emerging Cross-Sectional Technologies | 31 | Expired |
| US5688611A | Segmented hydride battery including an improved hydrogen storage means | Emerging Cross-Sectional Technologies | 28 | Expired |
| US4520763A | Fuel injection system | Emerging Cross-Sectional Technologies | 26 | Expired |
| US4668424A | Low temperature reusable hydrogen getter | Emerging Cross-Sectional Technologies | 23 | Expired |
| US5250368A | Extended cycle-life metal hydride battery for electric vehicles | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4566281A | Reaction heat storage method for hydride tanks | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4505120A | Hydrogen compressor | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US6042960A | Automatic water vapor density control of hydrogen gas | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6508866B1 | Passive purification in metal hydride storage apparatus | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4589919A | Metal bound and ballasted hydridable pellets | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5450721A | Exhaust gas preheating system | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4977035A | Getter strip | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4687650A | Methods of extracting hydrogen from a gas | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4996002A | Tough and porus getters manufactured by means of hydrogen pulverization | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5419981A | Hydrogen electrochemical cell housing | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4942019A | Gas purifier | Emerging Cross-Sectional Technologies | 7 | Expired |
| US8114363B1 | Liquid and gaseous fuel production from solar energy | Emerging Cross-Sectional Technologies | 7 | Active |
| US4687049A | Thermally reversible heat exchange unit and method of using same | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5623987A | Modular manifold gas delivery system | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4781246A | Thermally reversible heat exchange unit | Emerging Cross-Sectional Technologies | 5 | Expired |
| US7318520B2 | Flexible and semi-permeable means of hydrogen delivery in storage and recovery systems | Emerging Cross-Sectional Technologies | 5 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.