Growing community of inventors

Riegelsberg, Germany

Norbert Friedrich Karl Sann

Average Co-Inventor Count = 6.00

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

Norbert Friedrich Karl SannMichael Otto Sakraschinsky (1 patent)Norbert Friedrich Karl SannSteven R Evanovich (1 patent)Norbert Friedrich Karl SannChristopher B Bortnik (1 patent)Norbert Friedrich Karl SannAugustus O Schroeder (1 patent)Norbert Friedrich Karl SannJoseph Francis Ickes (1 patent)Norbert Friedrich Karl SannNorbert Friedrich Karl Sann (1 patent)Michael Otto SakraschinskyMichael Otto Sakraschinsky (25 patents)Steven R EvanovichSteven R Evanovich (21 patents)Christopher B BortnikChristopher B Bortnik (13 patents)Augustus O SchroederAugustus O Schroeder (5 patents)Joseph Francis IckesJoseph Francis Ickes (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Schroeder Industries, LLC (1 from 68 patents)


1 patent:

1. 7252759 - In-tank return line filter element and hydraulic reservoir with same

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12/16/2025
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