For the Inventor, By the Inventor

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Ludwigsburg, Germany

Mann+hummel Gmbh

USPTO Granted Patents = 1,039

% Expired Patents = 28.2

CIPO Patents = 1

EPO Patents = 666

Trademarks = 24

Forward Citations = 4,373

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885 inventors (with patents filed for the assignee):

Thomas Jessberger (59 out of 76 patents)

Klaus-Dieter Ruhland (59 out of 59 patents)

Michael Kaufmann (49 out of 49 patents)

4. Pascal Neef (47 out of 47 patents)

5. Christian Thalmann (41 out of 43 patents)

6. Mario Rieger (41 out of 45 patents)

7. Frank Pflueger (41 out of 41 patents)

8. Fabian Wagner (39 out of 39 patents)

9. Robert Hasenfratz (39 out of 42 patents)

10. Klemens Dworatzek (37 out of 42 patents)

11. Karlheinz Muenkel (37 out of 38 patents)

12. André Roesgen (37 out of 41 patents)

13. Martin Weindorf (36 out of 47 patents)

14. Guenter Jokschas (35 out of 41 patents)

15. Daniel Schmid (34 out of 34 patents)

Core Competencies:

Air Treatment

Fluid Filters

Outdoor Air Purifier

Filter Element

Separation Component

Filter System

Heat Exchanger

Carbon Dioxide Reduction

Battery Housing

Cross Flow Filtration

Water Drainage Device

Acoustic Component

1,039 patents: Sort by Forward Citations

1. 12752227 - Filter system comprising filter housing, replaceable filter element, and resonator structure (2026-10-06),

2. 12746499 - Filter element for a filter system having a resonator structure, and filter system having a resonator structure (2026-09-29),

3. 12746495 - Separating device with a separating element (2026-09-29),

4. 12728411 - Ion exchanger filter device and ion exchanger cartridge (2026-09-08),

5. 12728375 - Filter and clamping wedge for a filter (2026-09-08),

6. 12719067 - Humidifying device having channel plates and channel plate for humidifying device (2026-08-25),

7. 12685953 - Filter element, housing for a filter system, and filter system comprising a filter element and a housing (2026-07-21),

8. 12678721 - Liquid filter and filter element (2026-07-14),

9. 12661611 - Sorption filter device (2026-06-23),

10. 12658457 - Stack plate, stack plate device and humidifier (2026-06-16),

11. 12599864 - Air treatment system, method, vehicle and fleet for treating environment air (2026-04-14),

12. 12582930 - Secondary element and filter system (2026-03-24),

13. 12576357 - Filter housing of a filter for a fluid and filter (2026-03-17),

14. 12576355 - Outdoor air purifier including at least one filter element (2026-03-17),

15. 12558644 - Filter element for an air filter having a primary air outlet and a secondary air outlet, and an air filter and installation method (2026-02-24),

Company Overview

Mann+Hummel GmbH, headquartered in Ludwigsburg, Germany, is a leading expert in air filtration systems. The company specializes in the development and manufacturing of advanced air treatment solutions, including fluid filters, outdoor air purifiers, and filter elements. With a strong focus on enhancing air quality and reducing carbon dioxide emissions, Mann+Hummel is dedicated to innovation in separation components and filter systems, contributing significantly to environmental sustainability and improved air management across various applications.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

1,039 Patents

#1 in Ludwigsburg

#47 in Germany

#980 in the World

Ludwigsburg, Germany

Mann+hummel Gmbh

Forward Citations = 4,373

885 inventors:

Thomas Jessberger (59 out of 76 patents)

Klaus-Dieter Ruhland (59 out of 59 patents)

Michael Kaufmann (49 out of 49 patents)

4. Pascal Neef (47 out of 47 patents)

5. Christian Thalmann (41 out of 43 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Mann+hummel Gmbh. Retrieved from https://idiyas.com/company/mann-plus-hummel

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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