Patent assignee · COMPANY

IFP

79Patents
78Active
79Granted
58Portfolio score

Filing activity: Sep 9, 2002 → Sep 13, 2012 · 59 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US8307814B2 Method of controlling in-cylinder trapped gas masses in a variable timing gasoline engine Emerging Cross-Sectional Technologies 39 Active
US7970593B2 Method for gradually modifying lithologic facies proportions of a geological model Physics 29 Active
US8677975B2 Method for detection of abnormal combustion for internal combustion engines Mechanical Engineering; Lighting; Heating 27 Active
US8419813B2 Integrated energy and/or synthesis gas production method by in-situ oxygen production, chemical looping combustion and gasification Emerging Cross-Sectional Technologies 27 Active
US7747380B2 Method for real-time estimation of engine combustion parameters from vibratory signals Physics 25 Active
US8357344B2 Gas deacidizing method using an absorbent solution with vaporization and/or purification of a fraction of the regenerated absorbent solution Emerging Cross-Sectional Technologies 18 Active
US8068972B2 Abnormal combustion detection method for internal-combustion engines Mechanical Engineering; Lighting; Heating 18 Active
US8150669B2 Method of seeking hydrocarbons in a geologically complex basin, by means of basin modeling Physics 16 Active
US7461633B2 Method of controlling the combustion phase of an internal-combustion engine, notably a gasoline type direct-injection supercharged engine Emerging Cross-Sectional Technologies 16 Active
US8935141B2 Method of generating a hex-dominant mesh of a faulted underground medium Physics 16 Active
US8676557B2 Method of developing a petroleum reservoir from optimized history matching Physics 15 Active
US8688424B2 Method of modelling a porous geologic medium traversed by a network of fractures Physics 12 Active
US8712746B2 Method of modified facies proportions upon history matching of a geological model Physics 12 Active
US8423338B2 Petroleum reservoir history matching method using local parametrizations Physics 11 Active
US8078405B2 Method of estimating the permeability of a fracture network from a connectivity analysis Fixed Constructions 10 Active
US8646758B2 High performance structured packing for fluid exchange column and fabrication method Performing Operations; Transporting 8 Active
US7467040B2 Method of real time-estimation of indicators of the combustion state of an internal-combustion engine Mechanical Engineering; Lighting; Heating 8 Active
US8531914B2 Method of imaging a target area of the subsoil from walkaway type data Physics 8 Active
US8214187B2 Method for constructing a hybrid grid from a CPG type grid Physics 8 Active
US8032345B2 Method for updating a geological model using dynamic data and well tests Physics 7 Active
US8301397B2 Method of determining physico-chemical properties of a petroleum sample from two-dimensional gas chromatography Physics 6 Active
US8386225B2 Method of optimizing the development of a fluid reservoir by taking into account a geologic and transient exchange term between matrix blocks and fractures Physics 6 Active
US8616286B2 Riser pipe with adjustable auxiliary lines Fixed Constructions 5 Active
US8255166B2 Method of joint inversion of seismic data represented on different time scales Physics 5 Active
US8037873B2 Residual burnt gas scavenging method with double intake valve lift in a direct-injection supercharged internal-combusion engine, notably of diesel type Emerging Cross-Sectional Technologies 3 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.