Growing community of inventors

Holland Patent, NY, United States of America

Harley Ingersoll

Average Co-Inventor Count = 4.00

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 = 44

Harley Ingersoll ↔ William K Wallace (2 patents)Harley Ingersoll ↔ Jeffrey J Spooner (2 patents)Harley Ingersoll ↔ Yutaka Kazamaki (2 patents)Harley IngersollHarley Ingersoll (2 patents)William K WallaceWilliam K Wallace (30 patents)Jeffrey J SpoonerJeffrey J Spooner (7 patents)Yutaka KazamakiYutaka Kazamaki (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Chicago Pneumatic Tool Company (2 from 101 patents)


2 patents:

1. 5924497 - Power hand tool with rotatable handle

2. 5687802 - Power hand tool with rotatable handle

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1/6/2026
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