Inventor · Whitemarsh, PA, US

Keith Marshall

93Patents
16h-index
33Co-inventors
84Inventor score

Filing activity: Sep 27, 1977 → Dec 8, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US10813705B2 Symmetrically arranged surgical instrument articulation Human Necessities 508 Active
US10161816B2 Torque sensors Performing Operations; Transporting 450 Active
US10206752B2 Torque sensing in a surgical robotic wrist Human Necessities 257 Active
US10080618B2 Gear packaging for robotic arms Emerging Cross-Sectional Technologies 244 Active
US10499891B2 Pulley arrangement for articulating a surgical instrument Human Necessities 243 Active
US10463436B2 Drive mechanisms for robot arms Emerging Cross-Sectional Technologies 240 Active
US10398516B2 Drive mechanisms for robot arms Emerging Cross-Sectional Technologies 32 Active
USD411876S Wash basins General 28 Expired
USD430274S Lavatory General 27 Expired
US10821046B2 Robot mounting arrangement Performing Operations; Transporting 26 Active
USD560784S1 Wall hung basin General 26 Expired
US10722312B2 Surgical robot driving mechanism Human Necessities 26 Active
US10299873B2 Surgical instrument driving mechanism Human Necessities 24 Active
US4475919A Colored medicinal tablet, natural color pigment and method for using the pigment in coloring food, drug and cosmetic products Human Necessities 22 Expired
USD451986S Lay down tub General 21 Expired
USD560783S1 Wall hung basin General 19 Expired
USD455200S1 Sink General 16 Expired
USD560782S1 Wall hung basin General 16 Expired
US5067181A Blow out toilet with low water volume usage Fixed Constructions 15 Expired
US4274830A Colored medicinal tablet, natural color pigment and method for using the pigment in coloring food, drug and cosmetic products Human Necessities 15 Expired
US4336244A Colored medicinal tablet, natural color pigment and method for using the pigment in coloring food, drug and cosmetic products Human Necessities 15 Expired
USD559835S1 In-wall speaker enclosure General 14 Expired
USD462113S1 Soaking tub General 14 Expired
US10792113B2 Interfacing a surgical robot and instrument Human Necessities 11 Active
US10813706B2 Supporting body of a surgical instrument articulation Human Necessities 10 Active

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