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Forward Citations = 155

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8 inventors (with patents filed for the assignee):

Helmut Etschel (4 out of 5 patents)

Peter Rietsch (3 out of 3 patents)

Wolfgang Geier (2 out of 3 patents)

4. Michael Suthmann (2 out of 2 patents)

5. Helmut Sporl (2 out of 3 patents)

6. Bernd Huster (1 out of 1 patent)

7. Andreas Schmid (1 out of 1 patent)

8. Helmut Spörl (1 out of 1 patent)

11 patents: Sort by Forward Citations

1. 7429809 - Driving motor, especially for a pump (2008-09-30),

2. 7056437 - Method and device for the treatment of effluent, sludge and organic substrates (2006-06-06),

3. 6612805 - Hydrodynamic machine (2003-09-02),

4. D459285 - Propeller (2002-06-26),

5. D457850 - Propeller (2002-05-29),

6. 6309181 - Fluid flow machine wheel and uses thereof (2001-10-30),

7. 6235989 - Protective device for the power cable of a submerged pump (2001-05-22),

8. D436647 - Propeller for agitating liquids (2001-01-24),

9. D432621 - Propeller for agitating liquids (2000-10-24),

10. D431627 - Propeller for agitating liquids (2000-10-03),

11. D404040 - Pump for construction sites (1999-01-12),

Emu Unterwasserpumpen GmbH is a leading manufacturer of submersible pumps for various industrial applications. With over 75 years of experience, the company offers high-quality and innovative pumping solutions to customers worldwide. Emu Unterwasserpumpen GmbH is known for its reliability, efficiency, and superior performance in challenging environments.

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Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

11 Patents

#105 in Hoff

#3,493 in Germany

#50,196 in the World

Hoff, Germany

Emu Unterwasserpumpen Gmbh