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For the Inventor, By the Inventor

Mesa, AZ, United States of America

Mcdonnell Douglas Helicopter Company


USPTO Granted Patents = 62


Trademarks = 3

Forward Citations = 1,118

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78 inventors (with patents filed for the assignee):

goldMedal Ahmed A Hassan (8 out of 25 patents)

silverMedal Stephen S Osder (5 out of 12 patents)

bronzeMedal David B Domzalski (5 out of 9 patents)

4.  Daniel A Nyhus (5 out of 5 patents)

5.  Friedrich K Straub (4 out of 7 patents)

6.  James L Melquist (4 out of 15 patents)

7.  Gregory F Heath (4 out of 6 patents)

8.  Vijay J Sheth (4 out of 4 patents)

9.  Robert E Head (4 out of 5 patents)

10.  Dennis K Kennedy (3 out of 18 patents)

11.  Hormoz Tadghighi (3 out of 4 patents)

12.  Walter A Phillips (3 out of 4 patents)

13.  Ram D Janakiram (3 out of 3 patents)

14.  Yih-Jen D Chen (3 out of 3 patents)

15.  Paul C Kuhl (2 out of 3 patents)


Core Competencies:
Gust Alleviation
Flutter Suppression
Blade Variable Twist
Radar Absorbing Structures
Active Brake Control
Rotor Blade Lock
Helicopter Flap Lock
Aerodynamic Control
Vortex Interaction Noise Reduction
Flight Control Systems
Composite Structures
Mechanical Coupler

62 patents:

1. 6821090 - Gust alleviation/flutter suppression device (2004-11-23),
2. 6543719 - Oscillating air jets for implementing blade variable twist, enhancing engine and blade efficiency, and reducing drag, vibration, download and ir signature (2003-04-08),
3. 6484214 - Method for distributed object communications based on dynamically acquired and assembled software components (2002-11-19),
4. 6406783 - Bulk absorber and process for manufacturing same (2002-06-18),
5. 6375779 - Method for making structures having low radar reflectivity (2002-04-23),
6. 6350513 - Low density structures having radar absorbing characteristics (2002-02-26),
7. 6291071 - Bonded composite structure and its fabrication (2001-09-18),
8. 6234751 - Oscillating air jets for reducing HSI noise (2001-05-22),
9. 6217983 - R-foam and method of manufacturing same (2001-04-17),
10. 6193464 - Active brake control for rotor/wing aircraft (2001-02-27),
11. 6170779 - Rotor pitch lock for rotary/wing aircraft (2001-01-09),
12. 6168142 - Hydraulic damper with elastomeric spring assembly (2001-01-02),
13. 6161799 - Rotor blade lock for rotary/wing aircraft (2000-12-19),
14. 6146253 - Apparatus and method for precision grinding face gear (2000-11-14),
15. 6135713 - Helicopter rotor blade flap actuator government interest (2000-10-24),
McDonnell Douglas Helicopter Company is a renowned aerospace manufacturer with a focus on designing and producing helicopters. As a subsidiary of McDonnell Douglas Corporation, the company has a long history of delivering innovative and reliable rotary-wing aircraft for military, commercial, and private use. With a commitment to advanced engineering and cutting-edge technology, McDonnell Douglas Helicopter Company continues to provide high-quality helicopters that set industry standards.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

62 Patents

#2 in Mesa, AZ

#68 in Arizona

#5,664 in US

#11,475 in the World

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Mesa, AZ, United States of America

Mcdonnell Douglas Helicopter Company

Forward Citations = 1,118

78 inventors:

goldMedal Ahmed A Hassan (8 out of 25 patents)

silverMedal Stephen S Osder (5 out of 12 patents)

bronzeMedal David B Domzalski (5 out of 9 patents)

4.  Daniel A Nyhus (5 out of 5 patents)

5.  Friedrich K Straub (4 out of 7 patents)

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