Inventor · Livermore, CA, US

Richard L. Keenan

47Patents
18h-index
34Co-inventors
81Inventor score

Filing activity: Jun 28, 1995 → Jan 13, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US8597170B2 Catheter pump Mechanical Engineering; Lighting; Heating 156 Active
US6174337A Method of construction of electrochemical cell device using capillary tubing and optional permselective polymers Emerging Cross-Sectional Technologies 119 Expired
US9358329B2 Catheter pump Human Necessities 96 Active
US10029037B2 Sensors for catheter pumps Human Necessities 91 Active
US9421311B2 Motor assembly for catheter pump Emerging Cross-Sectional Technologies 88 Active
US6855131B2 Microprotrusion member retainer for impact applicator Human Necessities 79 Expired
US9446179B2 Distal bearing support Mechanical Engineering; Lighting; Heating 76 Active
US9381288B2 Fluid handling system Human Necessities 56 Active
US7131960B2 Apparatus and method for piercing skin with microprotrusions Human Necessities 51 Expired
US9827356B2 Catheter pump with access ports Human Necessities 51 Active
US9872947B2 Sheath system for catheter pump Emerging Cross-Sectional Technologies 45 Active
US10117980B2 Distal bearing support Mechanical Engineering; Lighting; Heating 42 Active
US10086121B2 Catheter pump Human Necessities 42 Active
US7798987B2 Apparatus and method for piercing skin with microprotrusions Human Necessities 31 Active
US11058865B2 Catheter pump Human Necessities 30 Active
US7419481B2 Apparatus and method for piercing skin with microprotrusions Human Necessities 28 Expired
US11045638B2 Sheath system for catheter pump Emerging Cross-Sectional Technologies 23 Active
US10632241B2 Fluid handling system Human Necessities 23 Active
US10864308B2 Sensors for catheter pumps Human Necessities 18 Active
US11660441B2 Catheter pump Human Necessities 15 Active
US11077294B2 Sheath assembly for catheter pump Human Necessities 15 Active
US11654276B2 Catheter pump Human Necessities 15 Active
US11219756B2 Motor assembly for catheter pump Emerging Cross-Sectional Technologies 13 Active
US11241568B2 Distal bearing support Mechanical Engineering; Lighting; Heating 13 Active
US11331470B2 Catheter pump with access ports Human Necessities 13 Active

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