Inventor · Boulder, CO, US

Waldean A. Schulz

17Patents
16h-index
12Co-inventors
71Inventor score

Filing activity: Oct 15, 1990 → Jun 27, 2008

Most-cited inventions

PatentTitleAreaCited byStatus
US5622170A Apparatus for determining the position and orientation of an invasive portion of a probe inside a three-dimensional body Human Necessities 618 Expired
US5617857A Imaging system having interactive medical instruments and methods Emerging Cross-Sectional Technologies 465 Expired
US5198877A Method and apparatus for three-dimensional non-contact shape sensing Physics 399 Expired
US5920395A System for locating relative positions of objects in three dimensional space Human Necessities 358 Expired
US6611141B1 Hybrid 3-D probe tracked by multiple sensors Physics 345 Expired
US5987349A Method for determining the position and orientation of two moveable objects in three-dimensional space Human Necessities 278 Expired
USRE35816E Method and apparatus for three-dimensional non-contact shape sensing General 278 Expired
US7865236B2 Active electrode, bio-impedance based, tissue discrimination system and methods of use Human Necessities 275 Active
US5907395A Optical fiber probe for position measurement Physics 218 Expired
US7256899B1 Wireless methods and systems for three-dimensional non-contact shape sensing Electricity 136 Active
US6141104A System for determination of a location in three dimensional space Physics 104 Expired
US6608688B1 Wireless optical instrument for position measurement and method of use therefor Human Necessities 48 Expired
US7336375B1 Wireless methods and systems for three-dimensional non-contact shape sensing Electricity 47 Active
US8086026B2 Method and system for the determination of object positions in a volume Physics 26 Active
US7623250B2 Enhanced shape characterization device and method Physics 25 Active
USRE39102E1 Optical fiber probe for position measurement General 17 Expired
US7049594B2 Position sensing sensor, method and system Physics 14 Expired

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