Patent assignee · US · COMPANY

Pneumatic Processing Technologies, LLC

7Patents
5Active
7Granted
42Portfolio score

Filing activity: Nov 2, 2001 → Nov 23, 2015 · 1 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US8309052B2 Carbon heat-treatment process Chemistry; Metallurgy 44 Active
US7264781B2 Calcining plant and method Emerging Cross-Sectional Technologies 5 Expired
USRE40208E1 Pneumatic flash calciner thermally insulated in feed storage silo General 2 Expired
US9828249B2 Operational conditions and method for production of high quality activated carbon Chemistry; Metallurgy 1 Active
US9205406B2 Operational conditions and method for production of high quality activated carbon Chemistry; Metallurgy 1 Active
US9108884B2 Metakaolin production and enhancement of industrial minerals Emerging Cross-Sectional Technologies 0 Active
US9109801B2 Coal heat-treatment process and system Mechanical Engineering; Lighting; Heating 0 Active

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