Oak Brook, IL, United States of America

The Chamberlain Group, Inc.


USPTO Granted Patents = 536

% Expired Patents = 10.6



Trademarks = 32

Forward Citations = 8,306

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304 inventors (with patents filed for the assignee):

goldMedal James Joseph Fitzgibbon (198 out of 206 patents)

silverMedal Robert Roy Keller, Jr (33 out of 33 patents)

bronzeMedal Colin Barns Willmott (33 out of 37 patents)

4 David R Morris (28 out of 30 patents)

5 Robert John Olmsted (28 out of 28 patents)

6 Edward Thomas Laird (25 out of 25 patents)

7 Cory Jon Sorice (23 out of 23 patents)

8 Casparus Cate (23 out of 23 patents)

9 James S Murray (22 out of 49 patents)

10 Eric M Gregori (22 out of 22 patents)

11 Eric J Robb (20 out of 20 patents)

12 William George Gioia (18 out of 18 patents)

13 Brian Roy Skotty (17 out of 20 patents)

14 Paul E Wanis (17 out of 18 patents)

15 Jeremy Abel (17 out of 17 patents)


Core Competencies:
Movable Barrier Operator
Remote Operating Device
Security System
Package Delivery
Network Control
Access Control
Ultra-Wideband
Vehicle Autostart
Obstacle Detection
Camera Module
Electronic Device
Power Supply

536 patents:

The Chamberlain Group, Inc. is a global leader in access solutions and products. Through its brands Chamberlain and LiftMaster, the company designs and engineers residential and commercial garage door openers, gate entry systems, and related accessories. With a mission to enhance people's daily lives by providing secure access and peace of mind, The Chamberlain Group is committed to delivering innovative and reliable solutions.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Sep 22 2026

The Chamberlain Group, Inc.
536 Patents

#1 in Oak Brook, IL

#47 in Illinois

#913 in US

#1,814 in the World

Oak Brook, IL (US)
Oak Brook, IL, United States of America
Forward Citations = 8,306

304 inventors:

Please report any incorrect information to [email protected]
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