For the Inventor, By the Inventor

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Los Angeles, CA, United States of America

Northrup Grumman Corp.

USPTO Granted Patents = 12

% Expired Patents = 8.3

Forward Citations = 108

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24 inventors (with patents filed for the assignee):

Barnaby S Wainfan (2 out of 17 patents)

Daniel A Tazartes (1 out of 69 patents)

Robert E Stewart (1 out of 71 patents)

4. Silai V Krishnaswamy (1 out of 8 patents)

5. Susan Trolier McKinstry (1 out of 4 patents)

6. Euniki Hong (1 out of 1 patent)

7. Joseph P Wardell (1 out of 1 patent)

8. Tiencheng Wang (1 out of 2 patents)

9. Daniel Kwok-hung Ko (1 out of 1 patent)

10. Douglas Ellwood Shultz (1 out of 12 patents)

11. Anthony Joseph Morronigiello (1 out of 1 patent)

12. Steven Peter Grant (1 out of 1 patent)

13. Timothy Glenn Foland (1 out of 1 patent)

14. Stephen P Grossman (1 out of 7 patents)

15. James G Welker (1 out of 2 patents)

12 patents: Sort by Forward Citations

1. 7378782 - IDT electroded piezoelectric diaphragms (2008-05-27),

2. 7314076 - Multilayer shim peeling device (2008-01-01),

3. 7002225 - Compliant component for supporting electrical interface component (2006-02-21),

4. 6946927 - Suspended substrate low loss coupler (2005-09-20),

5. 6901318 - Method of management of maintenance activities for vehicles (2005-05-31),

6. 6473182 - Automatic gain control of a closed loop fiber optic gyroscope using non-linear control laws (2002-10-29),

7. 6318483 - Disengageable drive arrangement for an all terrain vehicle having both tracks and wheels (2001-11-20),

8. 6299122 - Spherically mounted retroreflector edge adapter (2001-10-09),

9. 5860620 - Ram wing vehicle (1999-01-19),

10. 5707410 - Exhaust stack scrubber (1998-01-13),

11. D381938 - Tactical aircraft decoy, conjugal tandem design (1997-08-05),

12. 5448213 - Electromagnetic shielding concept for superconducting levitating magnets (1995-09-05),

Northrop Grumman Corporation is an American aerospace and defense technology company that produces military aircraft, missile systems, satellites, sensors, and other defense products. The company operates in four main sectors: Aeronautics Systems, Defense Systems, Mission Systems, and Space Systems. With a long history of innovation and expertise in advanced technologies, Northrop Grumman is a leading provider of defense and aerospace solutions worldwide.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

12 Patents

#166 in Los Angeles, CA

#6,055 in California

#25,526 in US

#48,090 in the World

Los Angeles, CA, United States of America

Northrup Grumman Corp.

Forward Citations = 108

24 inventors:

Barnaby S Wainfan (2 out of 17 patents)

Daniel A Tazartes (1 out of 69 patents)

Robert E Stewart (1 out of 71 patents)

4. Silai V Krishnaswamy (1 out of 8 patents)

5. Susan Trolier McKinstry (1 out of 4 patents)

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