Patent assignee · US · COMPANY

Sturtevant, Inc.

4Patents
0Active
4Granted
25Portfolio score

Filing activity: Feb 8, 1984 → Nov 26, 2003

Most-cited patents

PatentTitleAreaCited byStatus
US4551241A Particle classifier Performing Operations; Transporting 31 Expired
US4885832A Method of making a retrofit side draft classifier Emerging Cross-Sectional Technologies 12 Expired
US7422167B2 Fluid-energy mill Performing Operations; Transporting 5 Expired
US6435431B1 Pulverizing system purging Performing Operations; Transporting 1 Expired

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