Sioux Falls, SD, United States of America

Douglas John Criddle

This inventor holds 12 USPTO granted patents and 5 published patent applications, plus 1 CIPO patent. Top assignees: Amesbury Group, Inc., Amesbury Industries, Inc.. Active years: 2020-2026.

USPTO Granted Patents = 12 (Patent Applications = 5)

% Patents Active = 100.0

CIPO Patents = 1 (Patent Applications = 9)

Average Co-Inventor Count = 3.0

ph-index = 4

Forward Citations = 33(Granted Patents)

Company Filing History:

Amesbury Industries, Inc.

patents

Years Active: 2020-2026

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12 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12709926 - MULTI-POINT SLIDING DOOR LOCK (2026-08-18),

2. 11993967 - Sliding door rollers (2024-05-28),

3. 11879281 - Automatic window sash interlock (2024-01-23),

4. 11834866 - Flexible coupling for electronic deadbolt systems (2023-12-05),

5. 11661771 - Electronic drive for door locks (2023-05-30),

6. 11634931 - Modular electronic deadbolt systems (2023-04-25),

7. 11441333 - Electronic deadbolt systems (2022-09-13),

8. 11021892 - Locking system having an electronic keeper (2021-06-01),

9. 10968661 - Locking system having an electronic deadbolt (2021-04-06),

10. 10808424 - Modular multi-point lock (2020-10-20),

11. 10662675 - Modular electronic deadbolt systems (2020-05-26),

12. 10557300 - Garage door access remote (2020-02-11),

Title: **The Innovative Mind of Douglas John Criddle**

Introduction

Douglas John Criddle, an accomplished inventor based in Sioux Falls, SD, has made significant contributions to the field of engineering with a remarkable portfolio of 11 patents. His innovative designs demonstrate practicality and ingenuity, addressing common issues encountered in everyday products.

Latest Patents

Among his latest inventions, Criddle has developed a sliding door roller that enhances the functionality and reliability of sliding doors. This design features a slide that encompasses a truck assembly, allowing for retraction within the slide, thus preventing any accidental drops or rotations. The adjustment fastener allows the truck assembly to be disengaged and moved to an extended position effectively.

Another notable invention is the automatic window sash interlock. This device includes a housing that mounts to the side rail of a window sash, facilitating a secure locking mechanism. The locking member is pivotably coupled to the housing and can transition between locked and unlocked positions, ensuring ease of use while maintaining safety. This design automatically returns to the unlocked position for user convenience.

Career Highlights

Douglas currently works at Amesbury Group, Inc., where he continues to innovate and refine products that enhance customer satisfaction and usability. His experience within this company has allowed him to extend his creative vision and bring his engineering concepts to life.

Collaborations

Throughout his career, Criddle has collaborated with notable colleagues such as Tracy Lammers and Gary E. Tagtow. These partnerships have fostered a creative exchange of ideas, further enhancing the development of innovative solutions in their respective fields.

Conclusion

Douglas John Criddle exemplifies the spirit of innovation with a strong dedication to improving everyday products through his inventive designs. His patents reflect a deep understanding of user needs and a commitment to functional excellence, marking him as a significant figure in his industry.