Growing community of inventors

Savage, MN, United States of America

Shirley A Harold

Average Co-Inventor Count = 5.00

ph-index = 1

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 = 21

Shirley A Harold ↔ John R Hacker (1 patent)Shirley A Harold ↔ Bruce R Crenshaw (1 patent)Shirley A Harold ↔ Donald Francis Engel (1 patent)Shirley A Harold ↔ Dolan D Bartels (1 patent)Shirley A HaroldShirley A Harold (1 patent)John R HackerJohn R Hacker (71 patents)Bruce R CrenshawBruce R Crenshaw (38 patents)Donald Francis EngelDonald Francis Engel (36 patents)Dolan D BartelsDolan D Bartels (14 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Donaldson Comapny, Inc. (1 from 1,404 patents)


1 patent:

1. 7455707 - Reverse flow air filter arrangement and method

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12/20/2025
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