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For the Inventor, By the Inventor

Cologne, Germany

Penox Gmbh


USPTO Granted Patents = 2


Forward Citations = 4

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2 inventors (with patents filed for the assignee):

goldMedal Ian Klein (2 out of 4 patents)

silverMedal Werner Nitsche (1 out of 9 patents)

bronzeMedal Rainer Bussar (1 patent)

4.  Micha Kirchgessner (1 patent)


2 patents:

1. 8889258 - Additive for producing positive active compositions for lead accumulators (2014-11-18),
2. 7091250 - Additive for producing a positive active material for lead-acid storage batteries, a method for its production and a method for its use (2006-08-15),
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USPTO Data Jan 1 1976 - Oct 13 2026

2 Patents

#123 in Cologne

#10,692 in Germany

Cologne, DE
Cologne, Germany

Penox Gmbh

Forward Citations = 4

2 inventors:

goldMedal Ian Klein (2 out of 4 patents)

silverMedal Werner Nitsche (1 out of 9 patents)

bronzeMedal Rainer Bussar (1 patent)

4.  Micha Kirchgessner (1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Penox Gmbh. Retrieved from https://idiyas.com/company/penox

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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