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For the Inventor, By the Inventor

Linthicum, MD, United States of America

Noise Cancellation Technologies, Inc.


USPTO Granted Patents = 73


Forward Citations = 2,353

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62 inventors (with patents filed for the assignee):

goldMedal Graham P Eatwell (17 out of 24 patents)

silverMedal Owen Jones (8 out of 26 patents)

bronzeMedal William E Gossman (7 out of 9 patents)

4.  Jeffrey N Denenberg (7 out of 13 patents)

5.  Andrew J Langley (7 out of 7 patents)

6.  Michael J Parrella (6 out of 25 patents)

7.  Eldon W Ziegler (5 out of 7 patents)

8.  Michael C Trinder (5 out of 6 patents)

9.  Dexter G Smith (4 out of 10 patents)

10.  Steven L Machacek (4 out of 4 patents)

11.  Colin F Ross (4 out of 11 patents)

12.  Michael J Burke (4 out of 4 patents)

13.  Stephen F Hildebrand (4 out of 4 patents)

14.  Michael P McLoughlin (3 out of 14 patents)

15.  Eldon W Ziegler, Jr (3 out of 4 patents)


Core Competencies:
Active Noise Control
Piezoelectric Transducers
Audio Reproduction System
Active Headset
Noise Reduction System
Vibration Control System
Acoustic Echo Canceller
Adaptive Speech Filter
Electronic Muffler
Hybrid Analog/Digital Control
Variable Gain System
Muffler

73 patents:

1. 6259224 - Electronic cancellation of DC motor noise (2001-07-10),
2. 6218766 - Loudspeaker assembly (2001-04-17),
3. 6215884 - Piezo speaker for improved passenger cabin audio system (2001-04-10),
4. 6195440 - Piezoelectric transducers (2001-02-27),
5. 6181797 - Piezo speaker for improved passenger cabin audio systems (2001-01-30),
6. 6147594 - Method and apparatus for conveying audiovisual information (2000-11-14),
7. 6142254 - Decorative speaker cover (2000-11-07),
8. 6118878 - Variable gain active noise canceling system with improved residual noise (2000-09-12),
9. 6108610 - Method and system for updating noise estimates during pauses in an (2000-08-22),
10. 6091813 - Acoustic echo canceller (2000-07-18),
11. 6069959 - Active headset (2000-05-30),
12. 5901231 - Piezo speaker for improved passenger cabin audio systems (1999-05-04),
13. 5841876 - Hybrid analog/digital vibration control system (1998-11-24),
14. 5838805 - Piezoelectric transducers (1998-11-17),
15. 5828768 - Multimedia personal computer with active noise reduction and piezo (1998-10-27),
Noise Cancellation Technologies, Inc., based in Linthicum, MD, specializes in advanced noise cancellation solutions. The company focuses on developing innovative technologies such as Active Noise Control and Acoustic Echo Cancellation, enhancing audio experiences across various applications. Their expertise extends to piezoelectric transducers and adaptive speech filters, contributing to effective noise reduction systems and vibration control. By leveraging cutting-edge research, they aim to improve audio reproduction and headset performance, catering to diverse consumer and industrial needs.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

73 Patents

#1 in Linthicum, MD

#43 in Maryland

#5,036 in US

#10,256 in the World

Linthicum, MD (US)
Linthicum, MD, United States of America

Noise Cancellation Technologies, Inc.

Forward Citations = 2,353

62 inventors:

goldMedal Graham P Eatwell (17 out of 24 patents)

silverMedal Owen Jones (8 out of 26 patents)

bronzeMedal William E Gossman (7 out of 9 patents)

4.  Jeffrey N Denenberg (7 out of 13 patents)

5.  Andrew J Langley (7 out of 7 patents)

Please report any incorrect information to [email protected]
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