Patent assignee · FR · COMPANY

E & M Lamort

20Patents
0Active
20Granted
31Portfolio score

Filing activity: Sep 15, 1987 → Jun 5, 2000

Most-cited patents

PatentTitleAreaCited byStatus
US4842777A Pressurized mixing injector Emerging Cross-Sectional Technologies 54 Expired
US4846971A Sieves for scrubbers and their method of manufacture Emerging Cross-Sectional Technologies 27 Expired
US4915821A Apparatus for treatment of old printed papers with short and long fiber separation Emerging Cross-Sectional Technologies 26 Expired
US6338412B1 Cylindrical screen, particularly for paper pulp Textiles; Paper 17 Expired
US5182031A Process and device for deaeration of liquids Performing Operations; Transporting 11 Expired
US5735472A Rotating drum comprising screening and mashing chambers for separating paper fibers and contaminants Emerging Cross-Sectional Technologies 10 Expired
US5650044A Paper-pulp deinking method and equipment to implement this method Emerging Cross-Sectional Technologies 10 Expired
US5128028A Sieve for paper pulp strainer and classifier Emerging Cross-Sectional Technologies 8 Expired
US5624609A Enhancements to the air injection devices in a paper pulp flow for de-inking thereof Emerging Cross-Sectional Technologies 7 Expired
US5476178A Rotor for pressurized hydrodynamic purification of paper pulp and equipment fitted with this rotor Textiles; Paper 7 Expired
US5697503A Screening sieves, notably for paper pulp Textiles; Paper 5 Expired
US4898665A Screens for paper pulp purifiers Textiles; Paper 5 Expired
US5645724A Rotor-equipped cylindrical screens Textiles; Paper 4 Expired
US5407538A Device for separating a mixture of paper pulp and contaminants Emerging Cross-Sectional Technologies 4 Expired
US6197153A Method for de-inking paper pulp from recycled paper Emerging Cross-Sectional Technologies 4 Expired
US4838301A Draining valve for waste paper processing appliances Emerging Cross-Sectional Technologies 3 Expired
US5255791A End rim of cylindrical sieve for paper pulp strainer and classifier and process, of making it Emerging Cross-Sectional Technologies 2 Expired
US5979665A Paper-pulp deinking method and equipment to implement this method Emerging Cross-Sectional Technologies 2 Expired
US4938423A Paper pulp beater Textiles; Paper 1 Expired
US5293677A Process of making a cylindrical slotted sieve for paper pulp strainer Emerging Cross-Sectional Technologies 0 Expired

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