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For the Inventor, By the Inventor

Milan, Italy

Uhdenora S.p.a.

Calculating rank
USPTO Granted Patents = 15

% Expired Patents = 40.0



Forward Citations = 18

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27 inventors (with patents filed for the assignee):

goldMedal Peter Woltering (11 out of 23 patents)

silverMedal Randolf Kiefer (9 out of 15 patents)

bronzeMedal Karl Heinz Dulle (6 out of 8 patents)

4.  Roland Beckmann (4 out of 7 patents)

5.  Frank Funck (4 out of 10 patents)

6.  Andreas Bulan (3 out of 58 patents)

7.  Rainer Weber (3 out of 53 patents)

8.  Dario Oldani (3 out of 11 patents)

9.  Stefan Oelmann (3 out of 5 patents)

10.  Dirk Hoormann (2 out of 7 patents)

11.  Philipp Hofmann (2 out of 5 patents)

12.  Michele Perego (2 out of 5 patents)

13.  Fulvio Federico (2 out of 11 patents)

14.  Angelo Ottaviani (2 out of 3 patents)

15.  Leonello Carrettin (2 out of 4 patents)


15 patents:

1. 11162178 - Electrode for electrolysis cells (2021-11-02),
2. 10227701 - Insulating frame with corner expansion joints for electrolysis cells (2019-03-12),
3. 9790604 - Replacement component for electrolyser flanges (2017-10-17),
4. 9562294 - Alternative installation of a gas diffusion electrode in an electrochemical cell having percolator technology (2017-02-07),
5. 9476131 - Electrochemical cell having a frame seal for alternative sealing against marginal leakages of the electrolyte (2016-10-25),
6. 9062383 - Elementary cell and relevant modular electrolyser for electrolytic processes (2015-06-23),
7. 9045837 - Electrolyser with coiled inlet hose (2015-06-02),
8. 8945358 - Electrolysis cell (2015-02-03),
9. 8372255 - Elastic current collector for electrochemical cells (2013-02-12),
10. 7938938 - Electrolysis cell (2011-05-10),
11. 7918974 - Micro-structured insulating frame for electrolysis cell (2011-04-05),
12. 7901548 - Electrolysis cell with enlarged active membrane surface (2011-03-08),
13. 7842172 - Bipolar plate for electrolyser comprising a single wall (2010-11-30),
14. 7785453 - Electrode for electrolytic cell (2010-08-31),
15. 7780822 - Electrolytic cell with segmented and monolithic electrode design (2010-08-24),
Company Overview
Uhdenora S.p.a., headquartered in Milan, Italy, specializes in advanced technologies for water treatment and electrochemical processes. The company is recognized for its innovative solutions in the fields of water purification, disinfection, and industrial applications. With a strong emphasis on sustainability, Uhdenora develops products that enhance efficiency and reduce environmental impact. Its expertise spans various sectors, including municipal water systems and industrial processes, contributing to improved water management globally.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

15 Patents

#118 in Milan

#616 in Italy

#39,991 in the World

Milan, IT
Milan, Italy

Uhdenora S.p.a.

Forward Citations = 18

27 inventors:

goldMedal Peter Woltering (11 out of 23 patents)

silverMedal Randolf Kiefer (9 out of 15 patents)

bronzeMedal Karl Heinz Dulle (6 out of 8 patents)

4.  Roland Beckmann (4 out of 7 patents)

5.  Frank Funck (4 out of 10 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Uhdenora S.p.a.. Retrieved from https://idiyas.com/company/uhdenora

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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