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For the Inventor, By the Inventor

Düsseldorf, Germany

Loesche Gmbh


USPTO Granted Patents = 48



Trademarks = 4

Forward Citations = 141

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50 inventors (with patents filed for the assignee):

goldMedal Horst Brundiek (11 out of 13 patents)

silverMedal Holger Wulfert (8 out of 8 patents)

bronzeMedal Michael Keyssner (7 out of 7 patents)

4.  Thomas Letsch (4 out of 4 patents)

5.  Alexander Klokow (3 out of 3 patents)

6.  Joerg Langel (3 out of 3 patents)

7.  Thomas Loesche (3 out of 3 patents)

8.  Udo Meyer (3 out of 3 patents)

9.  Franz Poeschl (3 out of 3 patents)

10.  Friedrich Schmaus (3 out of 3 patents)

11.  Andre Michael Baetz (3 out of 3 patents)

12.  André Bätz (2 out of 2 patents)

13.  Carsten Gerold (2 out of 2 patents)

14.  Winfried Ruhkamp (2 out of 2 patents)

15.  André Baetz (2 out of 2 patents)


Core Competencies:
Grinding Pan Segment
Magnetic Separator
Milling Bowl
Multi-Cyclone Separation
Vertical Mill
Roller Mill
Cement Production
Steel Slag Processing
Asphalt Mixture Production
Air-Swept Roller Mill
Dynamic Air Classifier
Combustion Systems

48 patents:

1. 12415187 - Key grinding pan segment, grinding pan segment system, and method for same (2025-09-16),
2. 12011723 - Lever system for force transmission (2024-06-18),
3. 11318477 - Magnetic separator (2022-05-03),
4. 11090656 - Milling bowl (2021-08-17),
5. 10926270 - Method for operating a multi-cyclone for the separation of fine and very fine grain as well as a multi-cyclone (2021-02-23),
6. 10703675 - Method for processing steel slag and hydraulic mineral binder (2020-07-07),
7. 10702873 - Method and air-swept vertical mill for grinding hot, wet raw material and also channel-like segment (2020-07-07),
8. 10088155 - Central burner for multi-fuel multiple lance burner system (2018-10-02),
9. 9695485 - Method for the treatment of steelwork slag and hydraulic mineral binder (2017-07-04),
10. 9643191 - Method and vertical mill for grinding material to be ground (2017-05-09),
11. 9212404 - Preparation method for stainless steel slags and steelworks slags for recovery of metal (2015-12-15),
12. 9162256 - Method for classifying a ground material-fluid mixture and mill classifier (2015-10-20),
13. 8925844 - Roller mill (2015-01-06),
14. 8905336 - Method for comminution of mill feed (2014-12-09),
15. 8882899 - Method and plant for producing asphalt mixture (2014-11-11),
LOESCHE GMBH is a leading global provider of vertical roller mills (VRM) for grinding of raw materials, clinker, coal, slag, minerals and various other grinding applications. The company has been in operation for over 90 years and is known for its innovative and energy-efficient solutions in the cement, power, as well as industrial minerals sectors. With a strong commitment to sustainability and customer satisfaction, LOESCHE GMBH continues to deliver cutting-edge technologies and reliable machinery to the global market.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 16 2025

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48 Patents

#5 in Düsseldorf

#1,131 in Germany

#14,114 in the World

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Düsseldorf, Germany

Loesche Gmbh

Forward Citations = 141

50 inventors:

goldMedal Horst Brundiek (11 out of 13 patents)

silverMedal Holger Wulfert (8 out of 8 patents)

bronzeMedal Michael Keyssner (7 out of 7 patents)

4.  Thomas Letsch (4 out of 4 patents)

5.  Alexander Klokow (3 out of 3 patents)

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