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Ludwigsburg, Germany

Mann+hummel Gmbh

USPTO Granted Patents = 1,011

CIPO Patents = 1

EPO Patents = 614

Trademarks = 37

Forward Citations = 4,212

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838 inventors (with patents filed for the assignee):

Thomas Jessberger (59 out of 76 patents)

Klaus-Dieter Ruhland (56 out of 57 patents)

Michael Kaufmann (47 out of 48 patents)

4. Pascal Neef (45 out of 45 patents)

5. Mario Rieger (41 out of 45 patents)

6. Frank Pflueger (40 out of 40 patents)

7. Christian Thalmann (39 out of 41 patents)

8. Fabian Wagner (39 out of 39 patents)

9. Robert Hasenfratz (38 out of 41 patents)

10. Karlheinz Muenkel (37 out of 38 patents)

11. André Roesgen (37 out of 41 patents)

12. Klemens Dworatzek (36 out of 41 patents)

13. Martin Weindorf (35 out of 46 patents)

14. Guenter Jokschas (34 out of 40 patents)

15. Michael Fasold (31 out of 33 patents)

Core Competencies:

Fluid Filtration

Filter Element

Heat Exchanger

Crankcase Ventilation

Air Filter

Battery Housing

Liquid Separator

Acoustic Components

Carbon Dioxide Reduction

Treatment Device

Fuel Filter

Separation System

1,011 patents: Sort by Forward Citations

1. 12482306 - System and method of cleaning fluid, and vehicle connected to the system (2025-11-25),

2. 12467537 - Sealing element, annular filter element, oil separator, and method for controlling prevailing pressure in crankcase ventilation system (2025-11-11),

3. 12453936 - Filter, use of filter element in filter, filter element, and motor vehicle (2025-10-28),

4. 12442601 - Heat exchanger arrangement, method for producing a heat exchanger arrangement, and internal combustion engine having the heat exchanger arrangement (2025-10-14),

5. 12440795 - Secondary filter element and filter system (2025-10-14),

6. 12427447 - Treatment device for treating in particular liquid fluids, and treatment unit and connection head of a treatment device (2025-09-30),

7. 12415155 - Round filter element (2025-09-16),

8. 12415153 - Filter element and filter system (2025-09-16),

9. 12390752 - Filter element comprising a filter medium folded in a zig-zag-shape with discontinuous end-edge bonding, and method for producing same (2025-08-19),

10. 12390750 - Filter device having a filter element (2025-08-19),

11. 12377379 - Filter element, housing for a filter system, and filter system comprising a filter element and a housing (2025-08-05),

12. 12345224 - Muffler and filter system (2025-07-01),

13. 12330103 - Filter element, element frame of a filter element, filter bellows of a filter element, filter housing, and filter (2025-06-17),

14. 12318716 - Filter system comprising a pump and filter head module for a filter system (2025-06-03),

15. 12318714 - Removal system including removal aid and separating element (2025-06-03),

MANN+HUMMEL GmbH is a global filtration solutions provider based in Germany. With a history dating back to 1941, the company specializes in the development and manufacturing of air filters, oil filters, fuel filters, cabin filters, and other filtration products for automotive, industrial, and other applications. MANN+HUMMEL serves various industries including automotive, agriculture, construction, and commercial vehicles. Their innovative solutions focus on enhancing the purity and performance of fluids and air through advanced filtration technology. Visit their website to learn more about their wide range of products and solutions.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

1,011 Patents

#1 in Ludwigsburg

#52 in Germany

#975 in the World

Ludwigsburg, Germany

Mann+hummel Gmbh

Forward Citations = 4,212

838 inventors:

Thomas Jessberger (59 out of 76 patents)

Klaus-Dieter Ruhland (56 out of 57 patents)

Michael Kaufmann (47 out of 48 patents)

4. Pascal Neef (45 out of 45 patents)

5. Mario Rieger (41 out of 45 patents)

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