Geophysical Engineering Company
26Patents
0Active
26Granted
32Portfolio score
Filing activity: May 14, 1980 → May 6, 1994
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4707995A | Apparatus and method for controlling temperature and humidity within an enclosure | Emerging Cross-Sectional Technologies | 29 | Expired |
| US4801811A | Method of and means for generating electricity in an arid environment using elongated open or enclosed ducts | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4704189A | Method of evaporating liquid from a solution | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4470544A | Method of and means for weather modification | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5392611A | Method of and apparatus for reducing the heat load on a greenhouse | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4742682A | Energy-saving, direct-contact, parallel-flow heat exchanger | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5492274A | Method of and means for weather modification | Human Necessities | 14 | Expired |
| US4617800A | Apparatus for producing power using concentrated brine | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US4819447A | Method and means for controlling the condition of air in an enclosure | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4981021A | Heat exchanger, system, and method for using the same | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US5509996A | Method of evaporating and cooling liquid | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5097895A | Heat exchanger, system and method for using the same | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4685617A | Method of and apparatus for conditioning air in enclosures | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4803846A | Method of and means for controlling the condition of air in an enclosure | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4841740A | Method of and means for controlling the condition of air in an enclosure | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5017043A | Method of an means for controlling precipitation in evaporation ponds | Performing Operations; Transporting | 7 | Expired |
| US4869070A | Method of and means for controlling the condition of air in an enclosure | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4745963A | Heat exchanger and systems and methods for using the same | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5010735A | Centrifugal heat engine and method for using the same | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US5249430A | Method of and means for controlling the condition of air in an enclosure | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5020333A | Method of and means for controlling the condition of air in an enclosure | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5228303A | Method of and means for controlling the condition of air in an enclosure | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4872315A | Heat exchanger and systems and methods for using the same | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US4583370A | Heat exchanger and systems and methods for using the same | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US4704993A | Apparatus for producing power using concentrated brine | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.