Inventor · Laguna Hills, CA, US

Nicholas van der Walt

40Patents
23h-index
18Co-inventors
82Inventor score

Filing activity: Mar 21, 1994 → Feb 1, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US9339226B2 Systems and methods for joint replacement Human Necessities 1,034 Active
US8118815B2 Systems and methods for joint replacement Human Necessities 124 Active
US7381208B2 Cryosurgical devices for endometrial ablation Human Necessities 112 Expired
US10398514B2 Systems and methods for sensory augmentation in medical procedures Human Necessities 104 Active
US7500973B2 Cryosurgical devices and methods for endometrial ablation Human Necessities 88 Expired
US5525845A Fluid bearing with compliant linkage for centering reciprocating bodies Electricity 83 Expired
US8998910B2 Systems and methods for joint replacement Human Necessities 82 Active
US9271756B2 Systems and methods for joint replacement Human Necessities 77 Active
US9649160B2 Hip replacement navigation system and method Human Necessities 74 Active
US9192392B2 Systems and methods for joint replacement Human Necessities 70 Active
US8911447B2 Systems and methods for joint replacement Human Necessities 65 Active
US9549742B2 Devices and methods for knee arthroplasty Human Necessities 60 Active
US5715693A Refrigeration circuit having series evaporators and modulatable compressor Mechanical Engineering; Lighting; Heating 51 Expired
US9572586B2 Systems and methods for joint replacement Human Necessities 48 Active
US9775725B2 Systems and methods for joint replacement Human Necessities 44 Active
US6536326B2 Control system and method for preventing destructive collisions in free piston machines Mechanical Engineering; Lighting; Heating 36 Expired
US10206714B2 Systems and methods for joint replacement Human Necessities 32 Active
US10363149B2 Hip replacement navigation system and method Human Necessities 32 Active
US10238510B2 Systems and methods for joint replacement Human Necessities 31 Active
US9855075B2 Systems and methods for joint replacement Human Necessities 31 Active
US5537820A Free piston end position limiter Emerging Cross-Sectional Technologies 29 Expired
US10603115B2 Hip replacement navigation system and method Human Necessities 28 Active
US10716580B2 Devices and methods for knee arthroplasty Human Necessities 23 Active
US6038874A Refrigeration circuit having series evaporators and modulatable compressor Mechanical Engineering; Lighting; Heating 20 Expired
US10918499B2 Hip replacement navigation systems and methods Human Necessities 18 Active

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