Growing community of inventors

Naperville, IL, United States of America

David Thomas Mack

Average Co-Inventor Count = 3.60

ph-index = 2

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 20

David Thomas MackJames Joseph Fitzgibbon (2 patents)David Thomas MackRobert Roy Keller, Jr (2 patents)David Thomas MackRobert John Olmsted (1 patent)David Thomas MackKeith Johnson (1 patent)David Thomas MackRobert Keller (1 patent)David Thomas MackMark L Karasek (1 patent)David Thomas MackLarry Strait (1 patent)David Thomas MackKeith Johnson (1 patent)David Thomas MackDavid Thomas Mack (3 patents)James Joseph FitzgibbonJames Joseph Fitzgibbon (202 patents)Robert Roy Keller, JrRobert Roy Keller, Jr (32 patents)Robert John OlmstedRobert John Olmsted (26 patents)Keith JohnsonKeith Johnson (5 patents)Robert KellerRobert Keller (2 patents)Mark L KarasekMark L Karasek (5 patents)Larry StraitLarry Strait (4 patents)Keith JohnsonKeith Johnson (12 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. The Chamberlain Group, Inc. (3 from 513 patents)


3 patents:

1. 9177430 - Moveable barrier operator translation system and method

2. 7862209 - Permanently installed light emitting elements for a barrier operator

3. 7265508 - Movable light for use with a movable barrier operator

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as of
12/8/2025
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