Patent assignee · JP · COMPANY

Prometron Technics Corp.

6Patents
1Active
6Granted
31Portfolio score

Filing activity: Jan 19, 1990 → Aug 3, 2007 · 1 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US5008002A Process for producing mold used for obtaining press molded glass article Chemistry; Metallurgy 34 Expired
US5857888A Method of manufacturing a plasma torch eletrode Electricity 8 Expired
US5771818A Cooling system for waste disposal device Mechanical Engineering; Lighting; Heating 4 Expired
US5992446A Stopper system for vessel orifice Emerging Cross-Sectional Technologies 1 Expired
US6520098B1 Apparatus and method for disposing of dam dirt Mechanical Engineering; Lighting; Heating 0 Expired
US8652437B2 Method of manufacturing artificial zeolite Chemistry; Metallurgy 0 Active

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