Inventor · Paris, FR

Leon Hay

12Patents
10h-index
11Co-inventors
65Inventor score

Filing activity: Oct 12, 1983 → Oct 10, 1996

Most-cited inventions

PatentTitleAreaCited byStatus
US4541851A Reactor and apparatus for purifying by adsorption Emerging Cross-Sectional Technologies 62 Expired
US4969935A Process for treating a gaseous mixture by adsorption Performing Operations; Transporting 56 Expired
US5223004A Method for producing oxygen by adsorption separation from air Performing Operations; Transporting 45 Expired
US5246676A Method of producing oxygen by adsorption Performing Operations; Transporting 38 Expired
US5176721A Adsorber and process for the separation by adsorption Emerging Cross-Sectional Technologies 35 Expired
US4981499A Process and plant for separating a gaseous mixture by adsorption Emerging Cross-Sectional Technologies 30 Expired
US5078757A Process for the production of gaseous oxygen under pressure Performing Operations; Transporting 25 Expired
US4840647A Process for treating a gaseous mixture by adsorption Emerging Cross-Sectional Technologies 25 Expired
US4512779A Method and installation for separating a composite gas by adsorption Performing Operations; Transporting 22 Expired
US4512778A Adsorption processes Performing Operations; Transporting 14 Expired
USRE35913E Adsorber and process for the separation by adsorption General 4 Expired
US5261947A Process for the production of a gas having a substantial oxygen content Chemistry; Metallurgy 4 Expired

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