Klaus-Dieter Ruhland

This inventor holds 59 USPTO granted patents and 18 published patent applications and 41 EPO patents, primarily in Fluid Filtration (CPC class B01D). Top assignees: Mann+hummel Gmbh, Mann+hummek Gmbh. Active years: 2008-2026.

USPTO Granted Patents = 59 (Patent Applications = 18)

% Patents Active = 93.2

EPO Patents = 41 (Patent Applications = 52)

Average Co-Inventor Count = 2.4

ph-index = 13

Forward Citations = 561(Granted Patents)

Forward Citations (Not Self Cited) = 527(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Mechenheim, DE (2013)
Mackenheim, DE (2014)
Meckenheim, DE (2008 - 2024)

Company Filing History:

Years Active: 2008-2026

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Areas of Expertise:

Fluid Filter

Air Filter System

Filter Element

Multi-Cyclone Separator

Filter Housing

Filter Cartridge

Particle Discharge Device

Pre-Separator Module

Sensor Socket

Hollow Filter Element

Filter Arrangement

Air Cleaner Assembly

59 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12576357 - Filter housing of a filter for a fluid and filter (2026-03-17),

2. D1111148 - Picolino filter with optimized keylock (2026-02-03),

3. 12415153 - Filter element and filter system (2025-09-16),

4. 12345224 - Muffler and filter system (2025-07-01),

5. 12330103 - Filter element, element frame of a filter element, filter bellows of a filter element, filter housing, and filter (2025-06-17),

6. 12292021 - Filter element and air cleaner assembly (2025-05-06),

7. 12036503 - Filter element and filter system (2024-07-16),

8. 11918944 - Particle discharge device, filter assembly, and method (2024-03-05),

9. 11725615 - Secondary filter element and filter arrangement (2023-08-15),

10. 11719202 - Filter and filter cartridge (2023-08-08),

11. 11697084 - Filter element, element frame of a filter element, filter bellows of a filter element, filter housing, and filter (2023-07-11),

12. 11591993 - Filter element and air cleaner assembly (2023-02-28),

13. 11311891 - Multi-cyclone separator of a multi-stage fluid filter for cleaning gaseous fluid and multi-stage fluid filter (2022-04-26),

14. 11311890 - Filter device (2022-04-26),

15. 11273402 - Filter element, element frame of a filter element, filter bellows of a filter element, filter housing, and filter (2022-03-15),

Title: The Innovative Mind of Klaus-Dieter Ruhland

Introduction:

Klaus-Dieter Ruhland, a distinguished inventor hailing from Meckenheim, Germany, is renowned for his groundbreaking contributions to the field of technology and innovation.

Latest Patents:

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Career Highlights:

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Collaborations:

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Conclusion:

In conclusion, Klaus-Dieter Ruhland stands as a visionary inventor whose relentless pursuit of innovation has left an indelible mark on the technological landscape. His passion for pushing the boundaries of what is possible continues to inspire future generations of inventors and innovators.