Enter assignee name

% Expired Patents = 12.5

EPO Patents = 14

Trademarks = 1

Forward Citations = 2

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13 inventors (with patents filed for the assignee):

René Nölle (2 out of 2 patents)

Martin Oberscheidt (1 out of 1 patent)

Gerald Schubring (1 out of 1 patent)

4. Ralf Pape (1 out of 2 patents)

5. Egbert Helmig (1 out of 4 patents)

6. Burkhard Helmig (1 out of 3 patents)

7. Stephan Lückemeier (1 out of 1 patent)

8. Dennis Lynn Mesarvey, Jr (1 out of 1 patent)

9. Christopher Phillip Harris (1 out of 1 patent)

10. Felix Hartmann (1 out of 1 patent)

11. Fabian Stoffers (1 out of 1 patent)

12. Malte Willems (1 out of 1 patent)

13. Marc Grüter (1 out of 1 patent)

14. Christian Stoffers (1 out of 1 patent)

15. Michael Jarchau (10 patents)

8 patents: Sort by Forward Citations

1. 12692941 - Sealing device for a rod (2026-07-28),

2. 12571385 - High-pressure plunger pump, and use of a high-pressure plunger pump (2026-03-10),

3. 12196326 - Pressure-regulating valve (2025-01-14),

4. 12000490 - Gap seal device (2024-06-04),

5. 11484917 - Device and method for cleaning the surface of a tool (2022-11-01),

6. 11077453 - High-pressure rotor nozzle (2021-08-03),

7. 10480652 - Sealing device (2019-11-19),

8. 6789553 - Coatings removal head assembly and method of use (2004-09-14),

Hammelmann Corporation is a leading provider of high-pressure water jetting solutions for industrial cleaning and surface preparation. With over 70 years of experience, Hammelmann offers a wide range of products and services, including pumps, accessories, and custom-engineered systems. Their advanced technology and commitment to quality make them a trusted partner for customers worldwide.

Profile summary based on public USPTO records.