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),

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 based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

8 Patents

#115 in

#4,414 in Germany

DE

Delbag-Luftfilter Gmbh