Inventor · disambiguated record
Don Hefner
Also filed as: HEFNER DON
10 granted patents·614 citations·filing 2008–2009
93Inventor score
Files withMARKOWITZ H TOBY10
Top patents by PatentIndex Score
10 records- 0197US8260395B2Method and apparatus for mapping a structureMARKOWITZ H TOBY·Filed 2008·Granted Sep 4, 2012·126 cites·20 claims
- 0296US8340751B2Method and apparatus for determining tracking a virtual point defined relative to a tracked memberMARKOWITZ H TOBY·Filed 2009·Granted Dec 25, 2012·95 cites·23 claims
- 0395US8494608B2Method and apparatus for mapping a structureMARKOWITZ H TOBY·Filed 2009·Granted Jul 23, 2013·100 cites·19 claims
- 0495US8214018B2Determining a flow characteristic of a material in a structureMARKOWITZ H TOBY·Filed 2009·Granted Jul 3, 2012·114 cites·25 claims
- 0594US9179860B2Determining a location of a memberMARKOWITZ H TOBY·Filed 2009·Granted Nov 10, 2015·77 cites·12 claims
- 0693US8831701B2Uni-polar and bi-polar switchable tracking system betweenMARKOWITZ H TOBY·Filed 2009·Granted Sep 9, 2014·55 cites·22 claims
- 0785US8660640B2Determining a size of a representation of a tracked memberMARKOWITZ H TOBY·Filed 2009·Granted Feb 25, 2014·20 cites·24 claims
- 0882US8843189B2Interference blocking and frequency selectionMARKOWITZ H TOBY·Filed 2009·Granted Sep 23, 2014·13 cites·27 claims
- 0980US8768434B2Determining and illustrating a structureMARKOWITZ H TOBY·Filed 2009·Granted Jul 1, 2014·10 cites·23 claims
- 1072US9332928B2Method and apparatus to synchronize a location determination in a structure with a characteristic of the structureMARKOWITZ H TOBY·Filed 2009·Granted May 10, 2016·4 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →