Patent assignee · GB · COMPANY

Keyguard Limited

4Patents
1Active
4Granted
32Portfolio score

Filing activity: Dec 15, 2000 → Jul 31, 2006 · 1 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6918464B2 Energy absorber Mechanical Engineering; Lighting; Heating 25 Expired
US7188704B2 Energy absorber Mechanical Engineering; Lighting; Heating 21 Expired
US7104371B2 Energy absorber Fixed Constructions 9 Expired
US7461727B2 Energy absorber Fixed Constructions 6 Active

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