Inventor · Nogent-le-Rotrou, FR

Jacques Legrand

25Patents
7h-index
16Co-inventors
66Inventor score

Filing activity: Jan 6, 1981 → May 6, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US4582391A Optical switch, and a matrix of such switches Physics 104 Expired
US5395508A Apparatus for the electrolytic deposition of a metal on a weakly conductive flexible substrate electrolytic deposition process and product obtained by this process Electricity 52 Expired
US4666226A Miniature small pitch connection element and a process for manufacturing such a connection element Emerging Cross-Sectional Technologies 30 Expired
US6582688B1 Method for extracting compounds of furan lipids and polyhydroxylated fatty alcohols of avocado, composition based on said compounds, and therapeutic, cosmetical or food use of said compounds Chemistry; Metallurgy 26 Expired
US6994875B2 Process for obtaining a furan lipid-rich unsaponifiable material from avocado Chemistry; Metallurgy 10 Expired
US4383907A Gas-analysis probe Physics 10 Expired
US7816547B2 Process for producing refined avocado oil rich in triglycerides, and oil obtainable by said process Human Necessities 8 Active
US6733795B2 Method for producing an avocado leaf extract rich in furanic lipids Chemistry; Metallurgy 7 Expired
US9422504B2 Use of whole soft avocados for preparing avocado oil rich in unsaponifiables Chemistry; Metallurgy 6 Active
US4400671A Magnetically controlled mercury wetted switch and electrical relay incorporating such a switch Electricity 6 Expired
US5140846A Pneumatic measurement apparatus Physics 4 Expired
US6759543B2 Process for extracting unsaponifiable components of vegetable oils by means of 1-chlorobutane Human Necessities 4 Expired
US8318186B2 Use of at least a fatty ester for preparing a composition designed to inhibit 5-α-reductase activity, in pharmacology, in particular dermatology, in cosmetics and as food additive Human Necessities 3 Expired
US4375055A Device for articulating a moving blade pivoting on its base and a switch which comprises such a device Electricity 2 Expired
US7371420B2 Method for producing an avocado unsaponifiable rich in furan lipids Chemistry; Metallurgy 1 Expired
US7863472B2 Process for producing refined avocado oil rich in triglycerides, and oil obtainable by said process Human Necessities 1 Active
US9133415B2 Solid/liquid extraction with a solvent comprising between 5 and 8 carbon atoms and 1 or 2 oxygen atoms Human Necessities 0 Active
US8957232B2 Liquid/liquid extraction Chemistry; Metallurgy 0 Active
US9439938B2 Use of avocado skin for obtaining an avocado unsaponifiable material enriched with saturated aliphatic hydrocarbons and with sterols Chemistry; Metallurgy 0 Active
US9447361B2 Use of at least one coproduct from the vegetable oil refining industry for obtaining a purified total unsaponifiable vegetable oil product Chemistry; Metallurgy 0 Active
US12264205B2 Method for preparing a heat-modified starch Chemistry; Metallurgy 0 Active
US9909084B2 Liquid/liquid extraction with a solvent comprising at least 5 carbon atoms and 1 or 2 oxygen atoms Chemistry; Metallurgy 0 Active
US10493303B2 Solid/liquid extraction Chemistry; Metallurgy 0 Active
US12325762B2 Method for preparing a heat-modified starch Chemistry; Metallurgy 0 Active
US9416333B2 Use of avocado pit for obtaining an avocado oil enriched with alkyl polyols and/or acetylated derivatives thereof Chemistry; Metallurgy 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.