Inventor
HEYMAN JOSEPH S
US32 patents
⚠️ This page may combine multiple inventors who share the name “HEYMAN JOSEPH S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NASA
20 patentsUS4331422AMay 25, 1982
Acoustic tooth cleaner
NASA200 citations99
US4852578AAug 1, 1989
Rapidly quantifying the relative distention of a human bladder
NASA330 citations96
US4062227ADec 13, 1977
CW ultrasonic bolt tensioning monitor
NASA75 citations96
US5058591AOct 22, 1991
Rapidly quantifying the relative distention of a human bladder
NASA58 citations94
US4513750AApr 30, 1985
Method for thermal monitoring subcutaneous tissue
NASA140 citations94
US5237516AAug 17, 1993
Method of recertifying a loaded bearing member using a phase point
NASA26 citations92
US5192450AMar 9, 1993
Acoustophoresis separation method
NASA22 citations92
US5147562ASep 15, 1992
Acoustophoresis method and apparatus
NASA28 citations92
US4363242ADec 14, 1982
Pulsed phase locked loop strain monitor
NASA52 citations92
US5131758AJul 21, 1992
Method of remotely characterizing thermal properties of a sample
NASA23 citations90
US5493511AFeb 20, 1996
High speed thin plate fatigue crack monitor
NASA38 citations89
US5637799AJun 10, 1997
Method and apparatus for evaluating multilayer objects for imperfections
NASA21 citations86
US4624142ANov 25, 1986
Double reference pulsed phase locked loop
NASA25 citations82
US4117731AOct 3, 1978
Pseudo continuous wave instrument
NASA21 citations82
US4843346AJun 27, 1989
Radio frequency strain monitor
NASA19 citations77
US4911062AMar 27, 1990
Impact tolerant material
NASA17 citations74
US4391142AJul 5, 1983
Frequency tracked gated pulse technique for ultrasonic frequency
NASA13 citations73
US4310906AJan 12, 1982
Liquid-immersible electrostatic ultrasonic transducer
NASA19 citations69
US4195244AMar 25, 1980
CdS Solid state phase insensitive ultrasonic transducer
NASA5 citations63
US5969253AOct 19, 1999
Method and apparatus for evaluating multilayer objects for imperfections
NASA1 citations43
LUNA INNOVATIONS INC
5 patentsUS7454972B2Nov 25, 2008
Method and apparatus for acoustically weighing moving loads
LUNA INNOVATIONS INC52 citations92
US7319639B2Jan 15, 2008
Acoustic concealed item detector
LUNA INNOVATIONS INC28 citations92
US7017422B2Mar 28, 2006
Bond testing system, method, and apparatus
LUNA INNOVATIONS INC31 citations92
US7404671B2Jul 29, 2008
Dynamic acoustic thermometer
LUNA INNOVATIONS INC11 citations80
US7934424B2May 3, 2011
Ultrasonic material monitor for determining a characteristic of the material
LUNA INNOVATIONS INC0 citations46