Growing community of inventors

Houston, TX, United States of America

Donald E Loeffler

Average Co-Inventor Count = 3.00

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 = 38

Donald E Loeffler ↔ Robert B Rhodes (1 patent)Donald E Loeffler ↔ Rudolf J Eckert (1 patent)Donald E LoefflerDonald E Loeffler (1 patent)Robert B RhodesRobert B Rhodes (16 patents)Rudolf J EckertRudolf J Eckert (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Shell Oil Comapny (1 from 7,646 patents)


1 patent:

1. 5070131 - Gear oil viscosity index improvers

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/29/2025
Loading…