Patent Explorer

Browse, filter, and analyze 11 patents across global jurisdictions.

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Patent Number Title Assignee Status Filing Date Grant Date Expires Remaining Claims Actions
US20010005778A1 Endoscopic tissue collecting instrument Pentax Corp Expired / Lapsed 2000-12-19 — 2020-12-19 0.0 yrs 14
DE3242449A1 FLEXIBLE TUBE FOR AN ENDOSCOPE AND METHOD FOR PRODUCING THIS TUBE Pentax Corp Expired / Lapsed 1982-11-16 — 2002-11-16 0.0 yrs 0
US4617914A End curving device for endoscope Pentax Corp Expired / Lapsed 1985-06-12 1986-10-21 2005-06-12 0.0 yrs 10
US4495134A Method for manufacturing a flexible tube for an endoscope Pentax Corp Expired / Lapsed 1982-11-16 1985-01-22 2002-11-16 0.0 yrs 11
US4483326A Curvature control mechanism in endoscopes Pentax Corp Expired / Lapsed 1982-04-20 1984-11-20 2002-04-20 0.0 yrs 13
US4421382A Fiber retaining device for power laser Pentax Corp Expired / Lapsed 1981-03-06 1983-12-20 2001-03-06 0.0 yrs 2
US4311144A Electrical surgical knife device Pentax Corp Expired / Lapsed 1980-04-02 1982-01-19 2000-04-02 0.0 yrs 4
US4294233A Slack absorbing device for an endoscope Pentax Corp Expired / Lapsed 1979-04-05 1981-10-13 1999-04-05 0.0 yrs 8
US4236509A Curving device in an endoscope Pentax Corp Expired / Lapsed 1977-11-18 1980-12-02 1997-11-18 0.0 yrs 5
US4203430A Device for controlling curvature of an end section in an endoscope Pentax Corp Expired / Lapsed 1977-10-28 1980-05-20 1997-10-28 0.0 yrs 4
US4178810A Apparatus for manipulating a medical instrument Pentax Corp Expired / Lapsed 1977-08-09 1979-12-18 1997-08-09 0.0 yrs 5