Mark Berggren
37Patents
11h-index
26Co-inventors
75Inventor score
Filing activity: Jun 21, 1982 → Aug 20, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8047007B2 | Methods for generating electricity from carbonaceous material with substantially no carbon dioxide emissions | Emerging Cross-Sectional Technologies | 128 | Active |
| US7753972B2 | Portable apparatus for extracting low carbon petroleum and for generating low carbon electricity | Emerging Cross-Sectional Technologies | 99 | Active |
| US8616294B2 | Systems and methods for generating in-situ carbon dioxide driver gas for use in enhanced oil recovery | Emerging Cross-Sectional Technologies | 93 | Active |
| US7654330B2 | Apparatus, methods, and systems for extracting petroleum using a portable coal reformer | Emerging Cross-Sectional Technologies | 87 | Active |
| US6786941B2 | Methods of controlling the density and thermal properties of bulk materials | Chemistry; Metallurgy | 36 | Expired |
| US9856197B2 | Systems and methods for manufacture of dimethyl ether (DME) from natural gas and flare gas feedstock | Emerging Cross-Sectional Technologies | 25 | Active |
| US7650939B2 | Portable and modular system for extracting petroleum and generating power | Emerging Cross-Sectional Technologies | 21 | Active |
| US7810565B2 | Systems for extracting fluids from the earth's subsurface and for generating electricity without greenhouse gas emissions | Emerging Cross-Sectional Technologies | 21 | Active |
| US7937948B2 | Systems and methods for generating electricity from carbonaceous material with substantially no carbon dioxide emissions | Emerging Cross-Sectional Technologies | 19 | Active |
| US7624801B2 | Control system and method for controlling a hybrid petroleum extractor/power generator | Emerging Cross-Sectional Technologies | 19 | Active |
| US4415542A | Controlling scale composition during acid pressure leaching of laterite and garnierite ore | Chemistry; Metallurgy | 16 | Expired |
| US7506685B2 | Apparatus and method for extracting petroleum from underground sites using reformed gases | Emerging Cross-Sectional Technologies | 11 | Expired |
| US9643906B2 | Systems and methods for manufacture of dimethyl ether (DME) from natural gas and flare gas feedstock | Emerging Cross-Sectional Technologies | 9 | Active |
| US9637433B2 | Systems and methods for manufacture of methanol from natural gas and flare gas feedstock | Emerging Cross-Sectional Technologies | 9 | Active |
| US6086647A | Molasses/oil coal treatment fluid and method | Chemistry; Metallurgy | 8 | Expired |
| US5725613A | Method to reduce oxidative deterioration of bulk materials | Chemistry; Metallurgy | 7 | Expired |
| US7735777B2 | Apparatus for generation and use of lift gas | Performing Operations; Transporting | 7 | Active |
| US4582512A | Chemical leaching of coal to remove ash, alkali and vanadium | Chemistry; Metallurgy | 6 | Expired |
| US7871036B2 | Apparatus for generation and use of lift gas | Performing Operations; Transporting | 6 | Active |
| US9605523B2 | Systems and methods for generating in-situ carbon dioxide driver gas for use in enhanced oil recovery | Emerging Cross-Sectional Technologies | 5 | Active |
| US5919277A | Method to reduce oxidative deterioration of bulk materials | Chemistry; Metallurgy | 5 | Expired |
| US6231627A | Method to reduce oxidative deterioration of bulk materials | Chemistry; Metallurgy | 4 | Expired |
| US8450536B2 | Methods of higher alcohol synthesis | Emerging Cross-Sectional Technologies | 4 | Active |
| US6422494B1 | Methods of controlling the density and thermal properties of bulk materials | Chemistry; Metallurgy | 3 | Expired |
| US8602095B2 | Apparatus and method for extracting petroleum from underground sites using reformed gases | Emerging Cross-Sectional Technologies | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.