P

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 patents
US4331422AMay 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 patents

MEASUREMENT RESOURCES INC

2 patents

UNIV WASHINGTON

1 patent

LUNA INNOVATIONS

1 patent

US ARMY

1 patent

DAVIDSON JOHN R

1 patent

US ADMINISTATOR OF THE UNITED

1 patent