For the Inventor, By the Inventor

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Paragould, AR, United States of America

Allen Engineering Corporation

USPTO Granted Patents = 83

Trademarks = 7

Forward Citations = 1,358

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16 inventors (with patents filed for the assignee):

J Dewayne Allen (72 out of 75 patents)

Timmy D Guinn (16 out of 16 patents)

Michael W McKean (8 out of 8 patents)

4. Hugh L Adams (7 out of 7 patents)

5. Edward Andrew Waldon (5 out of 5 patents)

6. Richard P Bishop (4 out of 35 patents)

7. Jeffrey Lynn Fielder (3 out of 3 patents)

8. Ralph C Luebke (3 out of 5 patents)

9. Lee T Gibson (1 out of 1 patent)

10. Brian M Adamchuk (1 out of 1 patent)

11. Scott R Sugg (1 out of 1 patent)

12. Mike Woodside (1 out of 1 patent)

13. Jack C Wilson (1 out of 1 patent)

14. Thomas J Leyes (1 out of 1 patent)

15. Edward F Randolph (1 out of 1 patent)

Core Competencies:

Hydraulic Riding Trowels

Concrete Surface Polishing

Electric Concrete Transportation

Riding Trowel Safety Guards

Acoustic Impedance Matching

Transformable Floating Screed

Dual Rotor Trowel Steering

Concrete Finishing Machines

Compartmentalized Access Shroud

High Performance Trowels

Rotatable Guard Systems

Concrete Saw Stabilization

83 patents: Sort by Forward Citations

1. 12378733 - Bridge deck paver with enhanced hydraulic shifting (2025-08-05),

2. 11820381 - Electric concrete transportation cart (2023-11-21),

3. 11767643 - Versatile light rail bed paver (2023-09-26),

4. 11619010 - Roller tube concrete paver with retractable vibrator assembly (2023-04-04),

5. 11326359 - Concrete surface polishing trowel and conversion adaptor (2022-05-10),

6. D918520 - Electric concrete transportation cart (2021-05-04),

7. D918519 - Electric concrete transportation cart (2021-05-04),

8. 10384704 - Steering responsive speed-controlled buggy (2019-08-20),

9. 10100537 - Ventilated high capacity hydraulic riding trowel (2018-10-16),

10. 9068301 - Single to dual stick trowel and steering conversion (2015-06-30),

11. 9068300 - Riding trowel with CVT clutch module (2015-06-30),

12. 8360680 - Hydraulic riding trowels with automatic load sensing (2013-01-29),

13. 7690864 - Hydraulic riding trowel with automatic load sensing system (2010-04-06),

14. 7316523 - Acoustically matched method and apparatus for screeding concrete (2008-01-08),

15. 7114876 - Acoustically matched concrete finishing pans (2006-10-03),

Allen Engineering Corporation is a leading manufacturer of concrete equipment, specializing in concrete pavers, curb and gutter machines, and concrete placers/spreaders. With a reputation for quality and innovation, Allen Engineering has been providing reliable solutions for the construction industry since its inception in 1964.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

83 Patents

#1 in Paragould, AR

#6 in Arkansas

#4,306 in US

#8,826 in the World

Paragould, AR, United States of America

Allen Engineering Corporation

Forward Citations = 1,358

16 inventors:

J Dewayne Allen (72 out of 75 patents)

Timmy D Guinn (16 out of 16 patents)

Michael W McKean (8 out of 8 patents)

4. Hugh L Adams (7 out of 7 patents)

5. Edward Andrew Waldon (5 out of 5 patents)

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