Growing community of inventors

Otzberg, Germany

Lothar Spreng

Average Co-Inventor Count = 7.00

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 = 1

Lothar Spreng ↔ Hanns Wurziger (1 patent)Lothar Spreng ↔ Norbert Schwesinger (1 patent)Lothar Spreng ↔ Michael Schmelz (1 patent)Lothar Spreng ↔ Guido Pieper (1 patent)Lothar Spreng ↔ Gerd Quenzer (1 patent)Lothar Spreng ↔ Thomas Greve (1 patent)Lothar SprengLothar Spreng (1 patent)Hanns WurzigerHanns Wurziger (38 patents)Norbert SchwesingerNorbert Schwesinger (18 patents)Michael SchmelzMichael Schmelz (15 patents)Guido PieperGuido Pieper (8 patents)Gerd QuenzerGerd Quenzer (1 patent)Thomas GreveThomas Greve (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Merck Patent Gmbh (1 from 2,946 patents)


1 patent:

1. 7431891 - Device for controlling the temperature of chemical microreactors

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1/8/2026
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