Inventor · Cincinnati, OH, US

John W. Willis

35Patents
16h-index
66Co-inventors
84Inventor score

Filing activity: May 14, 1990 → Jul 12, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US8801735B2 Surgical circular stapler with tissue retention arrangements Human Necessities 1,546 Active
US8672207B2 Transwall visualization arrangements and methods for surgical circular staplers Human Necessities 1,490 Active
US8801734B2 Circular stapling instruments with secondary cutting arrangements and methods of using same Human Necessities 1,478 Active
US8783543B2 Tissue acquisition arrangements and methods for surgical stapling devices Human Necessities 1,475 Active
US9381058B2 Recharge system for medical devices Emerging Cross-Sectional Technologies 1,415 Active
US9597143B2 Sterile medical instrument charging device Emerging Cross-Sectional Technologies 1,287 Active
US9050100B2 Surgical instrument with feedback at end effector Human Necessities 1,189 Active
US9597075B2 Tissue acquisition arrangements and methods for surgical stapling devices Human Necessities 1,105 Active
US9095346B2 Medical device usage data processing Emerging Cross-Sectional Technologies 1,015 Active
US8882792B2 Ultrasonic surgical apparatus with silicon waveguide Human Necessities 568 Active
US9724120B2 Clamp arm features for ultrasonic surgical instrument Human Necessities 133 Active
US9737735B2 Ultrasonic surgical apparatus with silicon waveguide Emerging Cross-Sectional Technologies 70 Active
US10470770B2 Circular surgical fastening devices with tissue acquisition arrangements Human Necessities 44 Active
US5180050A Pushbutton rotary switch Emerging Cross-Sectional Technologies 43 Expired
US11324527B2 Ultrasonic and electrosurgical devices Emerging Cross-Sectional Technologies 38 Active
US5590567A Snap retainer and retainer system Emerging Cross-Sectional Technologies 16 Expired
US5245886A Rotary temperature mechanism Emerging Cross-Sectional Technologies 13 Expired
US5012054A Closely spaced back-lit push button array Emerging Cross-Sectional Technologies 10 Expired
US5378806A Fusion protein produced by retrovirus-mediated secretion Chemistry; Metallurgy 8 Expired
US11478247B2 Tissue acquisition arrangements and methods for surgical stapling devices Human Necessities 7 Active
US10660695B2 Sterile medical instrument charging device Emerging Cross-Sectional Technologies 5 Active
US9727050B2 Processing machinery protection and fault prediction data natively in a distributed control system Physics 4 Active
US10311703B1 Detection of spikes and faults in vibration trend data Physics 4 Active
US10143513B2 Gear driven coupling between ultrasonic transducer and waveguide in surgical instrument Emerging Cross-Sectional Technologies 3 Active
US10725448B2 Sensor power control and signal conditioning circuit for machinery monitoring system Physics 2 Active

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