Growing community of inventors

Chicago, IL, United States of America

Philip J Daum

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 = 3

Philip J DaumThomas H Dalrymple (1 patent)Philip J DaumWalter T Croson (1 patent)Philip J DaumPhilip J Daum (1 patent)Thomas H DalrympleThomas H Dalrymple (3 patents)Walter T CrosonWalter T Croson (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Union Tank Car Company (1 from 29 patents)


1 patent:

1. 4892042 - Combination bottom outlet saddle and sump

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12/20/2025
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