Inventor · Cadiz, OH, US

Douglas B. Hoffman

60Patents
44h-index
71Co-inventors
91Inventor score

Filing activity: Mar 22, 1990 → May 10, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US7111769B2 Surgical instrument incorporating an articulation mechanism having rotation about the longitudinal axis Human Necessities 2,747 Expired
US6786382B1 Surgical stapling instrument incorporating an articulation joint for a firing bar track Human Necessities 2,740 Expired
US7819298B2 Surgical stapling apparatus with control features operable with one hand Human Necessities 2,533 Active
US7980443B2 End effectors for a surgical cutting and stapling instrument Human Necessities 2,458 Active
US7059508B2 Surgical stapling instrument incorporating an uneven multistroke firing mechanism having a rotary transmission Human Necessities 2,458 Expired
US7083075B2 Multi-stroke mechanism with automatic end of stroke retraction Human Necessities 2,394 Expired
US7143926B2 Surgical stapling instrument incorporating a multi-stroke firing mechanism with return spring rotary manual retraction system Human Necessities 2,380 Expired
US7434715B2 Surgical stapling instrument having multistroke firing with opening lockout Human Necessities 2,343 Active
US7913891B2 Disposable loading unit with user feedback features and surgical instrument for use therewith Human Necessities 2,199 Active
US7128254B2 Surgical stapling instrument incorporating a multistroke firing mechanism having a rotary slip-clutch transmission Human Necessities 2,178 Expired
US7819296B2 Surgical stapling apparatus with retractable firing systems Human Necessities 1,982 Active
US8113410B2 Surgical stapling apparatus with control features Human Necessities 1,885 Active
US8608044B2 Feedback and lockout mechanism for surgical instrument Human Necessities 1,882 Active
US8875972B2 End effector coupling arrangements for a surgical cutting and stapling instrument Human Necessities 1,856 Active
US8584919B2 Surgical stapling apparatus with load-sensitive firing mechanism Human Necessities 1,761 Active
US8657178B2 Surgical stapling apparatus Human Necessities 1,732 Active
US8973803B2 Surgical stapling apparatus with control features operable with one hand Human Necessities 1,616 Active
US9072515B2 Surgical stapling apparatus Human Necessities 1,571 Active
US7367485B2 Surgical stapling instrument incorporating a multistroke firing mechanism having a rotary transmission Human Necessities 1,384 Expired
US9211121B2 Surgical stapling apparatus Human Necessities 1,293 Active
US9839421B2 Jaw closure feature for end effector of surgical instrument Human Necessities 1,267 Active
US9808248B2 Installation features for surgical instrument end effector cartridge Human Necessities 1,178 Active
US10092292B2 Staple forming features for surgical stapling instrument Human Necessities 1,165 Active
US9717497B2 Lockout feature for movable cutting member of surgical instrument Human Necessities 1,109 Active
US9867618B2 Surgical stapling apparatus including firing force regulation Human Necessities 1,091 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.