For the Inventor, By the Inventor

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West Hartford, CT, United States of America

Chandler Evans Inc.

USPTO Granted Patents = 52

Forward Citations = 692

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40 inventors (with patents filed for the assignee):

Raymond D Zagranski (9 out of 29 patents)

Jack G Sundberg (8 out of 18 patents)

James J Howlett (6 out of 12 patents)

4. Albert H White (4 out of 7 patents)

5. Robert E Peck (4 out of 5 patents)

6. Terry Morrison (4 out of 5 patents)

7. Frank A Leachman, Jr (3 out of 4 patents)

8. Robert F Kampe (3 out of 3 patents)

9. Robert Edward Fitzgerald (3 out of 3 patents)

10. Godwin L Noell (3 out of 4 patents)

11. Karl H Pech (2 out of 2 patents)

12. Dennis G Burnell (2 out of 2 patents)

13. Charles W Grennan (2 out of 2 patents)

14. Paul L Haynes, Jr (2 out of 2 patents)

15. George W Jahrstorfer (2 out of 2 patents)

Core Competencies:

Centrifugal Pumps

Fuel Control Systems

Gas Turbine Engines

Vane Pumps

Stepper Motor Actuators

Torque Compensators

Emergency Metering Valves

Fluidic Amplifiers

Thrust Vector Control

Engine Failure Detection

High Efficiency Pumps

Adaptive Control Mechanisms

52 patents: Sort by Forward Citations

1. 4643635 - Vapor core centrifugal pump having main and low flow impellers (1987-02-17),

2. 4629394 - Centrifugal pump having low flow diffuser (1986-12-16),

3. 4608880 - Push pull multiplier linkage (1986-09-02),

4. 4608820 - Dual stepper motor actuator for fuel metering valve (1986-09-02),

5. 4605235 - High thrust capacity shaft seal assembly for fuel pumps (1986-08-12),

6. 4578945 - Overspeed limiter for gas turbine fuel control (1986-04-01),

7. 4553914 - Method and apparatus for main fuel pumping system having backup pump (1985-11-19),

8. 4537025 - Electronic fuel control with manual training mode (1985-08-27),

9. 4531361 - Torsional mode suppressor (1985-07-30),

10. 4529361 - Vane pump having spokes with channel-shaped vanes (1985-07-16),

11. 4512101 - Rifle buttstock assembly (1985-04-23),

12. 4500966 - Super contingency aircraft engine control (1985-02-19),

13. 4500268 - Rotary pump having brake means with thermal fuse (1985-02-19),

14. 4493623 - Oil lubricated main drive shaft for fuel pump (1985-01-15),

15. 4493465 - Helicopter engine torque compensator (1985-01-15),

Chandler Evans Inc. is a renowned manufacturing company that specializes in the production of high-quality industrial products. With over 50 years of experience, we have established ourselves as a trusted provider in various industries, including aerospace, automotive, and defense. Our commitment to innovation and precision has earned us a strong reputation for delivering cutting-edge solutions to our clients. Visit our website to learn more about our extensive range of products and services.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

52 Patents

#2 in West Hartford, CT

#159 in Connecticut

#6,537 in US

#13,143 in the World

West Hartford, CT, United States of America

Chandler Evans Inc.

Forward Citations = 692

40 inventors:

Raymond D Zagranski (9 out of 29 patents)

Jack G Sundberg (8 out of 18 patents)

James J Howlett (6 out of 12 patents)

4. Albert H White (4 out of 7 patents)

5. Robert E Peck (4 out of 5 patents)

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