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For the Inventor, By the Inventor

Knoxville, TN, United States of America

Alfred A Frankenberg

This inventor holds 11 USPTO granted patents. Top assignee: Robertshaw Controls Company. Active years: 1979-2001.

USPTO Granted Patents = 11

% Patents Active = 100.0

Average Co-Inventor Count = 1.2

ph-index = 6

Forward Citations = 145(Granted Patents)


Location History:

  • Knoxville, TN (US) (1979 - 1988)
  • Seymour, TN (US) (1995 - 1996)
  • Blount County, TN (US) (2001)

Company Filing History:

goldMedal11 out of 878 
 
Robertshaw Controls Company
 patents

Years Active: 1979-2001

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11 patents (USPTO):Explore Patents
1. 6182684 - Bellows balanced valve (2001-02-06),
2. 5494255 - Solenoid activated exhaust gas recirculation valve (1996-02-27),
3. 5460146 - Solenoid activated exhaust gas recirculation valve (1995-10-24),
4. 4753537 - Digital clock construction, pinion gear therefor and methods of making (1988-06-28),
5. 4653932 - Digital clock construction, pinion gear therefor and methods of making (1987-03-31),
6. 4505106 - Exhaust system for an internal combustion engine, burn-off unit and (1985-03-19),
7. 4449362 - Exhaust system for an internal combustion engine, burn-off unit and (1984-05-22),
8. 4241872 - Pneumatically operated thermostat construction and method of making the (1980-12-30),
9. 4237771 - Pneumatically operated actuator and method of making the same (1980-12-09),
10. 4192453 - Thermostat construction and method of making the same (1980-03-11),
11. 4178837 - Pneumatically operated actuator and method of making the same (1979-12-18),

Title: Alfred A. Frankenberg: Innovator in Valve Technology

Introduction

Alfred A. Frankenberg is a notable inventor based in Knoxville, TN (US), recognized for his contributions to valve technology. With a total of 11 patents to his name, Frankenberg has made significant advancements in fluid control systems.

Latest Patents

Frankenberg's latest innovations include the Bellows Balanced Valve and the Solenoid Activated Exhaust Gas Recirculation Valve. The Bellows Balanced Valve features a unique assembly that includes a valve body, a bellows housing, and a valve actuator. This design allows for precise control of fluid flow through a valve bore, utilizing a valve closure element that engages with a valve seat. The actuator moves the sealing surface relative to the valve seat, ensuring efficient operation.

The Solenoid Activated Exhaust Gas Recirculation Valve is designed to combine exhaust gas from an engine combustion chamber with engine intake gases. This valve includes a flow control member that regulates the flow through a valve body, supported by a magnetic drive that is electronically actuated. The innovative design allows for effective monitoring and control of gas flow, enhancing engine performance.

Career Highlights

Frankenberg is currently employed at Robertshaw Controls Company, where he continues to develop cutting-edge technologies in valve systems. His work has significantly impacted the industry, leading to more efficient and reliable fluid control solutions.

Collaborations

Throughout his career, Frankenberg has collaborated with notable colleagues, including Douglas R. Scott and Earl C. Pearson. These partnerships have fostered innovation and contributed to the success of various projects.

Conclusion

Alfred A. Frankenberg's contributions to valve technology exemplify his dedication to innovation and engineering excellence. His patents reflect a commitment to improving fluid control systems, making a lasting impact in the field.

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