Inventor · Villepreux, FR

Xavier Longaygue

8Patents
3h-index
12Co-inventors
46Inventor score

Filing activity: Jun 24, 1998 → Feb 27, 2004

Most-cited inventions

PatentTitleAreaCited byStatus
US6408891B1 Flexible pipe for static use in a corrosive ambience Mechanical Engineering; Lighting; Heating 30 Expired
US6824672B2 Use of austenitic stainless steels in applications requiring anti-coking properties Emerging Cross-Sectional Technologies 14 Expired
US6684617B2 Process allowing to increase the cracking corrosion resistance of a wire under stress Performing Operations; Transporting 4 Expired
US6235238A Apparatus comprising furnaces, reactors or conduits having internal walls comprising at least partly of a steel alloy Chemistry; Metallurgy 3 Expired
US7129471B2 Corrosion detecting device Physics 2 Expired
US6444168B1 Apparatus comprising furnaces, reactors or conduits used in applications requiring anti-coking properties and novel steel compositions Chemistry; Metallurgy 2 Expired
US6197131A Method for controlling the behavior of a steel in an H2S medium Physics 0 Expired
US7442264B2 Method of using low alloy anticoking steels with an increased silicon and manganese content in refining and petrochemicals applications Chemistry; Metallurgy 0 Expired

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