For the Inventor, By the Inventor

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Indianapolis, IN, United States of America

Allison Engine Company, Inc.

USPTO Granted Patents = 38

Trademarks = 1

Forward Citations = 961

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52 inventors (with patents filed for the assignee):

Donald J Frasier (9 out of 25 patents)

Kurt F O'Connor (4 out of 16 patents)

James Paul Hoff (4 out of 5 patents)

4. James Rodney Whetstone (4 out of 5 patents)

5. Floyd Freeman Trees (4 out of 5 patents)

6. Heidi Mueller-Largent (4 out of 6 patents)

7. John Henry Lane (4 out of 6 patents)

8. Ralph Edward Jeffries (4 out of 5 patents)

9. Ralph E Peeler (4 out of 6 patents)

10. Richard Patrick Chesnes (3 out of 5 patents)

11. Duane A Smith (3 out of 3 patents)

12. Mohan K Razdan (3 out of 4 patents)

13. Tab M Heffernan (3 out of 3 patents)

14. Douglas D Dierksmeier (3 out of 3 patents)

15. James Christopher Muskat (2 out of 14 patents)

Core Competencies:

Gas Turbine Engine

High Temperature Structures

Thrust Vectoring System

Brazing Techniques

Single-Cast Components

Rotor Blade Attachment

Cobalt-Base Composition

Noise Reduction Methods

Directional Solidification

Composite Materials

Magnetic Bearings

Combustion Technology

38 patents: Sort by Forward Citations

1. 6338189 - Method and apparatus for expansion forming a workpiece using an external deformable supporting fixture (2002-01-15),

2. 6255000 - Single-cast, high-temperature, thin wall structures (2001-07-03),

3. 6244327 - Method of making single-cast, high-temperature thin wall structures having a high thermal conductivity member connecting the walls (2001-06-12),

4. 6195864 - Cobalt-base composition and method for diffusion braze repair of superalloy articles (2001-03-06),

5. 6183388 - Epicyclic face gear reduction gearbox particularly for a gas turbine engine (2001-02-06),

6. 6164917 - Multiproperty rotor disk and method of manufacture (2000-12-26),

7. 6129257 - High temperature brazing fixture (2000-10-10),

8. 6105901 - Thrust vectoring system (2000-08-22),

9. 6094916 - Dry low oxides of nitrogen lean premix module for industrial gas turbine (2000-08-01),

10. 6071363 - Single-cast, high-temperature, thin wall structures and methods of (2000-06-06),

11. 5977677 - Combination bearing for gas turbine engine (1999-11-02),

12. 5976337 - Method for electrophoretic deposition of brazing material (1999-11-02),

13. 5961067 - Method for reducing turboprop noise (1999-10-05),

14. 5924483 - Single-cast, high-temperature thin wall structures having a high (1999-07-20),

15. 5916518 - Cobalt-base composition (1999-06-29),

Allison Engine Company, Inc., based in Indianapolis, Indiana, specializes in the design and manufacturing of advanced propulsion systems and transmissions for commercial and military applications. The company is renowned for its innovative engineering solutions that enhance vehicle performance and efficiency. With a strong focus on automotive engineering and powertrain technology, Allison Engine plays a pivotal role in various sectors, including transportation and defense, contributing to the development of reliable and high-performance systems.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

38 Patents

#30 in Indianapolis, IN

#134 in Indiana

#9,014 in US

#17,815 in the World

Indianapolis, IN, United States of America

Allison Engine Company, Inc.

Forward Citations = 961

52 inventors:

Donald J Frasier (9 out of 25 patents)

Kurt F O'Connor (4 out of 16 patents)

James Paul Hoff (4 out of 5 patents)

4. James Rodney Whetstone (4 out of 5 patents)

5. Floyd Freeman Trees (4 out of 5 patents)

Please report any incorrect information to [email protected]

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