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West Hartford, CT, United States of America

Chandler Evans Inc.

USPTO Granted Patents = 52

Forward Citations = 700

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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 Pump

Fuel Metering

Gas Turbine

Rotary Pump

Actuator

Shaft Seal

Throttle Control

Flow Control

Emergency Valve

Adaptive Control

Torque Compensator

Lubrication System

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),

Company Overview

Chandler Evans Inc., based in West Hartford, CT, specializes in advanced fuel pump technology, focusing on the development and manufacturing of high-performance centrifugal and rotary pumps. The company is recognized for its expertise in fuel metering systems, gas turbine applications, and precision flow control mechanisms. With a commitment to innovation, Chandler Evans integrates actuator technologies and shaft seals to enhance the efficiency and reliability of fuel delivery systems across various industries.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

52 Patents

#4 in West Hartford, CT

#178 in Connecticut

#6,764 in US

#13,555 in the World

West Hartford, CT, United States of America

Chandler Evans Inc.

Forward Citations = 700

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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Chandler Evans Inc.. Retrieved from https://idiyas.com/company/chandler-evans

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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