Growing community of inventors

North Park, IL, United States of America

Darrel E Zimmer

Average Co-Inventor Count = 1.50

ph-index = 3

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 = 53

Darrel E ZimmerPaul H Brace (2 patents)Darrel E ZimmerDarrel E Zimmer (3 patents)Paul H BracePaul H Brace (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Barber Colman Company (3 from 115 patents)


3 patents:

1. 4146836 - Power monitor

2. 4013118 - Control of heating and cooling available from central sources to a

3. 3933197 - Control of heating and cooling available from central sources to a

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/15/2025
Loading…