Patent assignee · LU · COMPANY

Arbed S.A.

84Patents
0Active
84Granted
38Portfolio score

Filing activity: Jul 11, 1978 → Jun 30, 1994

Most-cited patents

PatentTitleAreaCited byStatus
US5148642A Antiseismic steel structural work Fixed Constructions 49 Expired
US4708562A Apparatus for lining the inner wall of a vessel with bricks Mechanical Engineering; Lighting; Heating 29 Expired
US4307973A Road barrier Fixed Constructions 29 Expired
US4196558A Fire-resistant concrete and steel structural element Fixed Constructions 27 Expired
US4765789A Apparatus for lining the inner wall of a vessel with bricks Mechanical Engineering; Lighting; Heating 26 Expired
US4290585A Vehicle-stopping device for safety barriers Fixed Constructions 25 Expired
US4571913A Prefabricated fireproof steel and concrete beam Fixed Constructions 24 Expired
US4397962A Energy storage element and method of making same Mechanical Engineering; Lighting; Heating 20 Expired
US4457002A Electrode seal assembly for metallurgical furnace Electricity 18 Expired
US4358090A Sound barrier for highway and other traffic Fixed Constructions 18 Expired
US4603810A Method and apparatus for the acceleration of solid particles entrained in a carrier gas Chemistry; Metallurgy 16 Expired
US4519587A Apparatus for regulating the delivery of solid materials by a blowing lance Chemistry; Metallurgy 15 Expired
US4616464A Composite fire-resistant concrete/steel column or post Fixed Constructions 14 Expired
US4529029A Process for monitoring a continuous casting mold in operation Physics 14 Expired
US4779395A Composite concrete/steel fireproof column Fixed Constructions 13 Expired
US4347019A Composite complex profile and the process for its manufacturing Fixed Constructions 13 Expired
US5520487A Waterproof clutches for sheet piles Fixed Constructions 12 Expired
US4922681A Hot-rolled concrete reinforcing bar, in particular reinforcing ribbed bar Fixed Constructions 12 Expired
US5064295A Device for continuously measuring the temperature of a molten metal Physics 11 Expired
US4730784A Oxygen blast nozzle Chemistry; Metallurgy 11 Expired
US4696137A Beam-column junction Fixed Constructions 10 Expired
US4441541A Method of and apparatus for determining the melt level in a continuous-casting mold Performing Operations; Transporting 9 Expired
US4428769A Process for injecting a reducing agent including ash-bearing bituminous coal into the hearth of a blast furnace Chemistry; Metallurgy 9 Expired
US4548503A Method of and apparatus for monitoring a dynamic condition of rolling-mill rolls Performing Operations; Transporting 9 Expired
US4345746A Apparatus for refining ferrous melt with slag conditioning Chemistry; Metallurgy 8 Expired

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