For the Inventor, By the Inventor

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Heidelberg, Germany

Prominent Dosiertechnik Gmbh

USPTO Granted Patents = 16

% Expired Patents = 6.3

CIPO Patents = 2

EPO Patents = 2

Forward Citations = 137

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15 inventors (with patents filed for the assignee):

Alexander Pinkowski (4 out of 4 patents)

Bernd Freissler (2 out of 5 patents)

Alexander Bubb (2 out of 6 patents)

4. Rainer Weisbrodt (2 out of 2 patents)

5. Thomas Freudenberger (1 out of 3 patents)

6. Andreas Hoehler (1 out of 1 patent)

7. Michael Wittkampf (1 out of 1 patent)

8. Hermann Berger (1 out of 3 patents)

9. Johannes Hartfiel (1 out of 2 patents)

10. Viktor Dulger (1 out of 1 patent)

11. Rainer Dulger (1 out of 1 patent)

12. Tiziana Chierchie (1 out of 1 patent)

13. Hans-Jurgen Lannoch (1 out of 9 patents)

14. Frank Gaertner (1 out of 1 patent)

15. Hans-Juurgen Lannoch (1 out of 1 patent)

16 patents: Sort by Forward Citations

1. 8267667 - Magnetic drive metering pump (2012-09-18),

2. D613771 - Pump (2010-04-13),

3. 7621296 - Separation element (2009-11-24),

4. 7033483 - Fluoride-sensitive electrode (2006-04-25),

5. 6935180 - Sensor diaphragm (2005-08-30),

6. 6907816 - Safety diaphragm for a diaphragm pump (2005-06-21),

7. 5762185 - Electrode transport and storage system (1998-06-09),

8. 5736029 - Amperometric dual-electrode sensors (1998-04-07),

9. 5725747 - Electrochemical measurement cell (1998-03-10),

10. 5588339 - Adjustable stroke drive for a displacement piston pump (1996-12-31),

11. 5472320 - Displacement piston pump (1995-12-05),

12. 5395493 - Method for determination of peracids (1995-03-07),

13. 5214964 - Method of and apparatus for measuring fixed amounts of fluid in a (1993-06-01),

14. D315739 - Metering pump (1991-03-26),

15. 4947153 - Apparatus for monitoring the flow of fluid from a metering pump (1990-08-07),

Prominent Dosiertechnik GmbH is a leading manufacturer of dosing pumps and metering technology. With over 60 years of experience in the industry, we offer high-quality products for precise and reliable dosing of liquids in various industries. Our cutting-edge technology and innovative solutions make us a trusted partner for customers worldwide.

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USPTO Data Jan 1 1976 - Sep 29 2026

16 Patents

#27 in Heidelberg

#2,620 in Germany

#37,766 in the World

Heidelberg, Germany

Prominent Dosiertechnik Gmbh

Forward Citations = 137

15 inventors:

Alexander Pinkowski (4 out of 4 patents)

Bernd Freissler (2 out of 5 patents)

Alexander Bubb (2 out of 6 patents)

4. Rainer Weisbrodt (2 out of 2 patents)

5. Thomas Freudenberger (1 out of 3 patents)

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