Rajen Puri
22Patents
20h-index
11Co-inventors
78Inventor score
Filing activity: Jan 20, 1984 → Oct 21, 1996
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5388645A | Method for producing methane-containing gaseous mixtures | Mechanical Engineering; Lighting; Heating | 305 | Expired |
| US5439054A | Method for treating a mixture of gaseous fluids within a solid carbonaceous subterranean formation | Emerging Cross-Sectional Technologies | 299 | Expired |
| US5388640A | Method for producing methane-containing gaseous mixtures | Fixed Constructions | 291 | Expired |
| US5388643A | Coalbed methane recovery using pressure swing adsorption separation | Fixed Constructions | 288 | Expired |
| US5566756A | Method for recovering methane from a solid carbonaceous subterranean formation | Emerging Cross-Sectional Technologies | 288 | Expired |
| US5388642A | Coalbed methane recovery using membrane separation of oxygen from air | Fixed Constructions | 288 | Expired |
| US5388641A | Method for reducing the inert gas fraction in methane-containing gaseous mixtures obtained from underground formations | Fixed Constructions | 287 | Expired |
| US4662443A | Combination air-blown and oxygen-blown underground coal gasification process | Fixed Constructions | 286 | Expired |
| US4537252A | Method of underground conversion of coal | Fixed Constructions | 286 | Expired |
| US4662439A | Method of underground conversion of coal | Fixed Constructions | 284 | Expired |
| US4756367A | Method for producing natural gas from a coal seam | Fixed Constructions | 280 | Expired |
| US5566755A | Method for recovering methane from a solid carbonaceous subterranean formation | Mechanical Engineering; Lighting; Heating | 224 | Expired |
| US5014788A | Method of increasing the permeability of a coal seam | Fixed Constructions | 182 | Expired |
| US5133406A | Generating oxygen-depleted air useful for increasing methane production | Emerging Cross-Sectional Technologies | 141 | Expired |
| US5085274A | Recovery of methane from solid carbonaceous subterranean of formations | Fixed Constructions | 120 | Expired |
| US5014785A | Methane production from carbonaceous subterranean formations | Fixed Constructions | 111 | Expired |
| US5501273A | Method for determining the reservoir properties of a solid carbonaceous subterranean formation | Fixed Constructions | 94 | Expired |
| US4883122A | Method of coalbed methane production | Fixed Constructions | 88 | Expired |
| US6119778A | Method for recovering methane from a solid carbonaceous subterranean formation | Mechanical Engineering; Lighting; Heating | 26 | Expired |
| US5099921A | Recovery of methane from solid carbonaceous subterranean formations | Fixed Constructions | 25 | Expired |
| US5048328A | Method of determining the porosity and irreducible water saturation of a coal cleat system | Physics | 9 | Expired |
| US4614234A | Method of recovering coal values by combining underground coal gasification with surface coal liquefaction | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.