Inventor

CULLEN DONALD E

US14 patents

Patents

14 patents

US4454440AJun 12, 1984

Surface acoustic wave (SAW) pressure sensor structure

UNITED TECHNOLOGIES CORP108 citations95

US4213104AJul 15, 1980

Vacuum encapsulation for surface acoustic wave (SAW) devices

UNITED TECHNOLOGIES CORP56 citations95

US5262659ANov 16, 1993

Nyquist frequency bandwidth hact memory

UNITED TECHNOLOGIES CORP23 citations92

US4990814AFeb 5, 1991

Separated substrate acoustic charge transport device

UNITED TECHNOLOGIES CORP35 citations92

US4676104AJun 30, 1987

Surface skimming bulk acoustic wave accelerometer

UNITED TECHNOLOGIES CORP30 citations92

US4484098ANov 20, 1984

Environmentally stable lithium niobate acoustic wave devices

UNITED TECHNOLOGIES CORP47 citations92

US4100811AJul 18, 1978

Differential surface acoustic wave transducer

UNITED TECHNOLOGIES CORP54 citations92

US4422055ADec 20, 1983

Strain relief technique for surface acoustic wave devices

UNITED TECHNOLOGIES CORP32 citations91

US4346597AAug 31, 1982

Dual range, cantilevered mass accelerometer

UNITED TECHNOLOGIES CORP28 citations81

US4333342AJun 8, 1982

Fluid damped saw accelerometer

UNITED TECHNOLOGIES CORP28 citations81

US5283444AFeb 1, 1994

Increased well depth hact using a strained layer superlattice

UNITED TECHNOLOGIES CORP5 citations62

US5159299AOct 27, 1992

HACT electrode configuration

UNITED TECHNOLOGIES CORP3 citations61

US5128579AJul 7, 1992

Act electrode configuration for linear readout

UNITED TECHNOLOGIES CORP4 citations61

US5128734AJul 7, 1992

Surface channel hact

UNITED TECHNOLOGIES CORP3 citations61