Growing community of inventors

Frankfurt-am-Main, Germany

Norbert Graeser

Average Co-Inventor Count = 3.00

ph-index = 2

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 = 10

Norbert GraeserAlbert Baldauf (2 patents)Norbert GraeserRonald Schwarzbach (2 patents)Norbert GraeserAlexander Von Gaisberg (1 patent)Norbert GraeserAlfred Merkel (1 patent)Norbert GraeserNorbert Graeser (3 patents)Albert BaldaufAlbert Baldauf (2 patents)Ronald SchwarzbachRonald Schwarzbach (2 patents)Alexander Von GaisbergAlexander Von Gaisberg (18 patents)Alfred MerkelAlfred Merkel (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Casco Schoeller Gmbh (2 from 3 patents)

2. Schoeller & Co., Elektrotechnische Fabrik Gmbh & Co. (1 from 7 patents)


3 patents:

1. 8022340 - Attaching unit and knob for a heating unit of a cigar lighter

2. 7461959 - Cigarette lighter

3. 5132517 - Electric glow element

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idiyas.com
as of
12/19/2025
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