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For the Inventor, By the Inventor

Aarbergen, Germany

Bilfinger Water Technologies Gmbh


USPTO Granted Patents = 12

% Expired Patents = 33.3


Trademarks = 8

Forward Citations = 56

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12 inventors (with patents filed for the assignee):

goldMedal Michael Richard Ekholm (7 out of 35 patents)

silverMedal Thomas L Hennemann (4 out of 12 patents)

bronzeMedal Richard Charles Maxson (3 out of 16 patents)

4.  Garth Hayes Saul (3 out of 13 patents)

5.  Tom Schuler (2 out of 3 patents)

6.  Gerald Allan Berry (1 out of 5 patents)

7.  Timothy Charles Wolf (1 out of 4 patents)

8.  Dean Gerald Brabec (1 out of 7 patents)

9.  Charles Flansburg (1 out of 6 patents)

10.  Klau Heil (1 out of 1 patent)

11.  Chad Mrazek (1 out of 1 patent)

12.  David Mattsen (1 out of 1 patent)

13.  Klaus Heil (1 patent)

14.  Richard C Maxson (0 patent)

15.  Thomas Hennemann (0 patent)


12 patents:

1. 9399858 - Hybrid intake screen assembly (2016-07-26),
2. 9328869 - Screen basket vortex breaker for vessel (2016-05-03),
3. 9243728 - Pipe with reinforced female end (2016-01-26),
4. 9206572 - Traveling screen machine (2015-12-08),
5. 9174403 - Method of manufacture of pipe with reinforced female end (2015-11-03),
6. 9108127 - Directed hydroburst system for cleaning flat screens (2015-08-18),
7. 9023456 - Profiled wire screen for process flow and other applications (2015-05-05),
8. 8876017 - Variable flow screen nozzle (2014-11-04),
9. 8814219 - Push lock pipe connection system and disconnection tool (2014-08-26),
10. 8596261 - Passive solar wire screens for buildings (2013-12-03),
11. 8516678 - Push lock pipe connection system (2013-08-27),
12. 8505154 - Directed hydroburst system for cleaning flat screens (2013-08-13),
Company Overview
Bilfinger Water Technologies GmbH specializes in providing innovative solutions for water treatment and management. The company focuses on developing advanced technologies that enhance the efficiency and sustainability of water resources. With a strong emphasis on research and development, Bilfinger Water Technologies operates within the environmental engineering sector, addressing critical challenges in water purification, wastewater treatment, and resource recovery. Headquartered in Aarbergen, Germany, it serves a diverse range of industries globally.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

12 Patents

#1 in Aarbergen

#3,297 in Germany

#48,129 in the World

Aarbergen, DE
Aarbergen, Germany

Bilfinger Water Technologies Gmbh

Forward Citations = 56

12 inventors:

goldMedal Michael Richard Ekholm (7 out of 35 patents)

silverMedal Thomas L Hennemann (4 out of 12 patents)

bronzeMedal Richard Charles Maxson (3 out of 16 patents)

4.  Garth Hayes Saul (3 out of 13 patents)

5.  Tom Schuler (2 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Bilfinger Water Technologies Gmbh. Retrieved from https://idiyas.com/company/bilfinger-water-technologies

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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