Inventor · Mentone, IN, US

Mark A. Heldreth

50Patents
21h-index
66Co-inventors
91Inventor score

Filing activity: Dec 10, 1990 → Jan 9, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US5290313A Offset prosthetic stem extension Human Necessities 231 Expired
US7632283B2 Modified system and method for intraoperative tension assessment during joint arthroplasty Human Necessities 149 Expired
US6123729A Four compartment knee Human Necessities 141 Expired
US6942670B2 Prosthesis evaluation assembly and associated method Human Necessities 130 Expired
US5405396A Tibial prosthesis Human Necessities 128 Expired
US6033410A Orthopaedic instrumentation Human Necessities 125 Expired
US5989261A Evaluating the fit of an orthopaedic implant Human Necessities 116 Expired
US5198308A Titanium porous surface bonded to a cobalt-based alloy substrate in an orthopaedic implant device Emerging Cross-Sectional Technologies 107 Expired
US7628818B2 Fixed-bearing knee prosthesis having interchangeable components Human Necessities 106 Active
US8236061B2 Orthopaedic knee prosthesis having controlled condylar curvature Human Necessities 98 Active
US5129907A Patellar clamp and reamer with adjustable stop Human Necessities 80 Expired
US5323954A Method of bonding titanium to a cobalt-based alloy substrate in an orthophedic implant device Emerging Cross-Sectional Technologies 79 Expired
US6402786B1 Four compartment knee Human Necessities 72 Expired
USD372309S Orthopaedic broach impactor General 60 Expired
US8128703B2 Fixed-bearing knee prosthesis having interchangeable components Human Necessities 37 Active
US5221096A Stator and multiple piece seal Emerging Cross-Sectional Technologies 33 Expired
US6962607B2 Joint replacement prosthesis component with non linear insert Performing Operations; Transporting 33 Expired
US7022123B2 Method and apparatus for controlling a surgical burr in the performance of an orthopaedic procedure Human Necessities 31 Expired
US8795380B2 Orthopaedic knee prosthesis having controlled condylar curvature Human Necessities 23 Active
US6821470B2 Joint prosthesis molding method Emerging Cross-Sectional Technologies 23 Expired
US8857440B2 Devices and methods for protecting tissue at a surgical site Human Necessities 22 Active
US9539099B2 Orthopaedic knee prosthesis having controlled condylar curvature Human Necessities 17 Active
US10729551B2 Orthopaedic knee prosthesis having controlled condylar curvature Human Necessities 13 Active
US10179051B2 Orthopaedic knee prosthesis having controlled condylar curvature Human Necessities 13 Active
US10179052B2 Total knee implant prosthesis assembly and method Human Necessities 12 Active

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