Growing community of inventors

Stockelsdorf, Germany

Siegfried Preininger

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 = 17

Siegfried PreiningerHolmer Rohling (1 patent)Siegfried PreiningerFrank Schulz (1 patent)Siegfried PreiningerSiegfried Preininger (1 patent)Holmer RohlingHolmer Rohling (9 patents)Frank SchulzFrank Schulz (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Dragerwerk Aktiengesellschaft (1 from 552 patents)


1 patent:

1. 4840171 - Oxygen supply unit having an oxygen generator

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