Growing community of inventors

Dunedin, FL, United States of America

John D Crutcher

Average Co-Inventor Count = 2.00

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 = 9

John D CrutcherDavid A Smith (1 patent)John D CrutcherJohn D Crutcher (1 patent)David A SmithDavid A Smith (20 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (1 from 832,812 patents)


1 patent:

1. 6014790 - Ductwork cleaning system

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/20/2025
Loading…