Patent assignee · FR · COMPANY

D & D

8Patents
4Active
8Granted
35Portfolio score

Filing activity: Jul 30, 1979 → Apr 9, 2019

Most-cited patents

PatentTitleAreaCited byStatus
US6126444A Plaque remover injected with water or with water and compressed air Human Necessities 30 Expired
US4375834A Casing perforation method and apparatus Fixed Constructions 20 Expired
US6500002B2 Oral cavity spreading apparatus Human Necessities 19 Expired
US12029624B2 Dental device Human Necessities 0 Active
US11484391B2 Orthodontic shape memory band Human Necessities 0 Active
USRE30829E Casing perforation method and apparatus General 0 Expired
US11129695B2 Orthodontic appliance Human Necessities 0 Active
US9947424B2 Coating type radiation-shielding material and radiation-shielding elastomer material Chemistry; Metallurgy 0 Active

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