Forward Citations = 183

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6 inventors (with patents filed for the assignee):

Gerhard M Neumann (6 out of 8 patents)

Jochen Karelin (3 out of 3 patents)

Hans-Henrich Stiehl (1 out of 4 patents)

4. Detlef Sinhuber (1 out of 1 patent)

5. Hans H Stiehl (1 out of 1 patent)

6. Gerhard-Max Neumann (1 out of 1 patent)

8 patents: Sort by Forward Citations

1. 4472184 - Support and holding frame for air filtering elements (1984-09-18),

2. 4334900 - Filter elements arranged in waste tanks for separating substances which (1982-06-15),

3. 4247315 - Filter element (1981-01-27),

4. 4243486 - Method of mounting filter elements and mounting therefor (1981-01-06),

5. 4225328 - Exchangeable filter element (1980-09-30),

6. 4197098 - Filter bypass measurement section (1980-04-08),

7. 4193844 - Method of mounting filter elements and mounting therefor (1980-03-18),

8. 4095965 - Absorption filter (1978-06-20),

Company Overview

Delbag-luftfilter Gmbh is a leading manufacturer of industrial air filtration systems. With over 70 years of experience, we provide high-quality filters for a wide range of applications, including dust collection, ventilation, and air purification. Our innovative products are designed to meet the highest standards of efficiency and reliability, delivering clean air solutions for various industries worldwide.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

8 Patents

#115 in

#4,424 in Germany

DE

Delbag-Luftfilter Gmbh

Forward Citations = 183

6 inventors:

Gerhard M Neumann (6 out of 8 patents)

Jochen Karelin (3 out of 3 patents)

Hans-Henrich Stiehl (1 out of 4 patents)

4. Detlef Sinhuber (1 out of 1 patent)

5. Hans H Stiehl (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Delbag-Luftfilter Gmbh. Retrieved from https://idiyas.com/company/delbag-luftfilter

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]