For the Inventor, By the Inventor

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Amesbury, MA, United States of America

Amesbury Group, Inc.

USPTO Granted Patents = 100

% Expired Patents = 24.0

CIPO Patents = 6

Trademarks = 4

Forward Citations = 1,115

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56 inventors (with patents filed for the assignee):

Gary E Tagtow (26 out of 28 patents)

Gary R Newman (23 out of 24 patents)

Tracy Lammers (20 out of 22 patents)

4. Wilbur James Kellum, Iii (17 out of 17 patents)

5. Bruce A Hagemeyer (17 out of 31 patents)

6. Lawrence John VerSteeg (13 out of 14 patents)

7. Dan Raap (12 out of 12 patents)

8. Douglas John Criddle (11 out of 12 patents)

9. Peter E Mertinooke (11 out of 15 patents)

10. Stuart J Uken (10 out of 10 patents)

11. Allen Rickenbaugh (10 out of 10 patents)

12. Michael Lee Anderson (9 out of 10 patents)

13. Tyler Welbig (7 out of 7 patents)

14. Travis Steen (6 out of 6 patents)

15. John E Huntress (6 out of 6 patents)

Core Competencies:

Window Balance

Electronic Deadbolts

Weatherstripping

Sliding Door Lock

Sash Guide

Locking Mechanisms

Constant Force

Modular Systems

Access Handles

Tilt Mechanism

High Security Locks

Manufacturing Methods

100 patents: Sort by Forward Citations

1. 12410648 - Window balance shoes for a pivotable window (2025-09-09),

2. 12091895 - Window balance shoes for a pivotable window (2024-09-17),

3. 12091894 - Window balance systems (2024-09-17),

4. 12044061 - Sash guide (2024-07-23),

5. 11993967 - Sliding door rollers (2024-05-28),

6. 11879281 - Automatic window sash interlock (2024-01-23),

7. 11834866 - Flexible coupling for electronic deadbolt systems (2023-12-05),

8. 11692380 - Window sash lock and tilt mechanism (2023-07-04),

9. 11661771 - Electronic drive for door locks (2023-05-30),

10. 11634931 - Modular electronic deadbolt systems (2023-04-25),

11. 11560743 - Window balance systems (2023-01-24),

12. 11441333 - Electronic deadbolt systems (2022-09-13),

13. 11352821 - Inverted constant force window balance having slidable coil housing (2022-06-07),

14. 11248396 - Sealed keeper sensors (2022-02-15),

15. 11193318 - Window balance shoes for a pivotable window (2021-12-07),

Amesbury Group, Inc. is a global leader in the development and manufacturing of engineered components and solutions for the residential and commercial construction industries. With a diverse portfolio of brands and products, they specialize in creating innovative solutions for windows, doors, and architectural hardware. Visit their website for more information on their cutting-edge solutions and global capabilities.

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

Company Badge

USPTO Data Jan 1 1976 - Sep 22 2026

Amesbury Group, Inc.

100 Patents

#1 in Amesbury, MA

#207 in Massachusetts

#3,788 in US

#7,765 in the World

Amesbury, MA, United States of America

Amesbury Group, Inc.

Forward Citations = 1,115

56 inventors:

Gary E Tagtow (26 out of 28 patents)

Gary R Newman (23 out of 24 patents)

Tracy Lammers (20 out of 22 patents)

4. Wilbur James Kellum, Iii (17 out of 17 patents)

5. Bruce A Hagemeyer (17 out of 31 patents)

Please report any incorrect information to [email protected]

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