Patents

CURRENT PATENT APPLICATIONS

"End Driven Bender Transduction Apparatus," filling date 05/04/2017

PATENTED INVENTIONS (many available for licensing)

*8,836,792 “Active Cloaking with Transducers” 9/16/14

*8,659,211 “Quad and Dual Cantilever Transduction Apparatus” 2/25/14

*8,599,648 “Doubly Steered Acoustics Array” 12/3/13

*8,552,625 “Cantilever type acoustic Transduction Apparatus,” 10/8/13

*8,072,843 “Stepped Multiply Resonant Wideband Transducer Apparatus,” 12/06/11

*7,692,363 “Mass Loaded Dipole Transduction Apparatus,” 04/06/10

*7,453,186 “Cantilever Driven Transduction Apparatus,” 11/18/08

*7,372,776 “Modal Acoustic Array Transduction Apparatus,” 05/13/08

*7,292,503 “Multi Piston Electro-Mechanical Transduction Apparatus,” 11/6/07

**6,950,373 “Multiply Resonant Wideband Transducer Apparatus,” 9/27/05

*6,734,604 “Multimode Synthesized Beam Transduction Apparatus,” 5/11/04

*6,654,316 “Single-Sided Electro-Mechanical Transduction Apparatus,” 11/25/03

5,184,332 "Multiport Underwater Sound Transducer," 2/2/93

5,047,683 "Hybrid Transducer," 9/10/91

4,864,548 "Flextensional Transducer," 9/5/89

4,845,688 "Electro-Mechanical Transduction Apparatus," 7/4/89

4,754,441 "Directional Flextensional Transducer," 6/28/88

4,742,499 "Flextensional Transducer," 5/3/88

4,642,802 "Elimination of Magnetic Biasing," 2/20/87

4,443,731 "Hybrid Piezoelectric Magnetostrictive Transducer," 4/17/84

4,438,509 "Transducer with Tensioned Wire Precompression," 3/20/84

4,332,986 "Speaker System Employing Passive Radiator," 6/1/82

4,326,275 "Directional Transducer," 4/20/82

3,933,219 "Speaker System," 1/20/76

3,924,259 "Array of Multicellular Transducer," 12/2/75

3,378,814 "Directional Transducer," 4/16/68

*Active patents less than 20 years old

**Currently under exclusive license