Inventor · Minneapolis, MN, US

Harold D. Kletschka

22Patents
17h-index
4Co-inventors
74Inventor score

Filing activity: Jan 3, 1972 → Jan 13, 2011

Most-cited inventions

PatentTitleAreaCited byStatus
US4794928A Angioplasty device and method of using the same Human Necessities 629 Expired
US5470208A Fluid pump with magnetically levitated impeller Electricity 167 Expired
US5195877A Fluid pump with magnetically levitated impeller Emerging Cross-Sectional Technologies 159 Expired
US6443926B1 Embolic protection device having expandable trap Human Necessities 149 Expired
US5055005A Fluid pump with levitated impeller Emerging Cross-Sectional Technologies 148 Expired
US4049002A Fluid conveying surgical instrument Human Necessities 144 Expired
US6607506B2 Embolic protection device having an expandable trap Human Necessities 112 Expired
US6485456B1 Embolic protection device having expandable trap Human Necessities 100 Expired
US4096864A Fluid carrying surgical instrument of the forceps type Human Necessities 93 Expired
US3957389A Pumping apparatus and process characterized by gentle operation Human Necessities 92 Expired
US3980086A Fluid conveying surgical instrument Human Necessities 78 Expired
US3931821A Suture bridges Emerging Cross-Sectional Technologies 77 Expired
US4037984A Pumping apparatus and process characterized by gentle operation Mechanical Engineering; Lighting; Heating 59 Expired
US3970408A Apparatus for use with delicate fluids Emerging Cross-Sectional Technologies 52 Expired
US7322957B2 Angioplasty device and method of making same Human Necessities 49 Expired
US4844707A Rotary pump Mechanical Engineering; Lighting; Heating 34 Expired
US4895493A Rotary pump Mechanical Engineering; Lighting; Heating 23 Expired
US7922691B2 Angioplasty device and method of making same Human Necessities 16 Active
US4009719A Protective cover for suture bridge Human Necessities 15 Expired
USRE28742E Pumps capable of use as heart pumps General 15 Expired
US8075586B2 Embolic protection device having expandable trap Human Necessities 2 Active
US8657847B2 Embolic protection device having expandable trap Human Necessities 0 Active

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