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Gummersbach, Germany

L. & C. Steinmuller Gmbh

USPTO Granted Patents = 114

Forward Citations = 1,015

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109 inventors (with patents filed for the assignee):

Ulrich Premel (14 out of 15 patents)

Rolf Dorling (13 out of 13 patents)

Sigfrid Michelfelder (10 out of 10 patents)

4. Stanislaw Michalak (10 out of 12 patents)

5. Gunter Keintzel (8 out of 8 patents)

6. Klaus Leikert (8 out of 8 patents)

7. Hubert Steven (6 out of 6 patents)

8. Klaus Grethe (6 out of 6 patents)

9. Gustav Thones (5 out of 5 patents)

10. Gerd Pollak (5 out of 5 patents)

11. Reinhold U Pitt (4 out of 4 patents)

12. Klaus Westebbe (4 out of 4 patents)

13. Jorgen Becker (4 out of 4 patents)

14. Klaus-Dieter Rennert (4 out of 4 patents)

15. Wolfgang Schreier (3 out of 3 patents)

Core Competencies:

Flue Gas Scrubbing

Waste Burning

Steam Generation

Solar Radiation

Combustion Air Preheating

Gasification

Nitrogen Oxide Reduction

Fluidized Bed Combustion

Heat Exchanger

Emission Control

Carbonaceous Materials

Additive Spraying

114 patents: Sort by Forward Citations

1. 6082273 - Method for operating a corner burner for a tangential burner system and (2000-07-04),

2. 5904138 - Method for generating steam with concentrated solar radiation and solar (1999-05-18),

3. 5878676 - Burner and furnace operated with at least one burner (1999-03-09),

4. 5803937 - Method of cooling a dust-laden raw gas from the gasification of a solid (1998-09-08),

5. 5715809 - Receiver for converting concentrated solar radiation (1998-02-10),

6. 5597417 - Method and apparatus for the percussive cleaning of objects (1997-01-28),

7. 5588400 - Method of generating steam in a forced-through-flow boiler (1996-12-31),

8. 5551358 - Method of burning waste, especially PVC waste, comprised essentially of (1996-09-03),

9. 5483950 - Solar device with an air receiver and air return (1996-01-16),

10. 5482110 - Device for cooling a deposit-forming gas (1996-01-09),

11. 5397381 - Method of cooling and optionally cleaning a hot gas, especially of a gas (1995-03-14),

12. 5212941 - Method for operating a combined gas turbine/steam turbine process (1993-05-25),

13. 5094675 - Process for removing dust from a dust-laden gas using a gas-permeable (1992-03-10),

14. 5082477 - Separator for separating solids from an ascending, solids-laden gas (1992-01-21),

15. 5051040 - Fluidized bed combustion system that is controllable under pressure (1991-09-24),

Company Overview

L. & C. Steinmuller GmbH, based in Gummersbach, Germany, specializes in advanced combustion technology solutions. The company focuses on developing and manufacturing systems for flue gas scrubbing, waste burning, and steam generation. Its expertise extends to innovative applications in solar radiation utilization, combustion air preheating, gasification, and nitrogen oxide reduction. Steinmuller is recognized for its contributions to fluidized bed combustion, addressing environmental challenges while enhancing energy efficiency in industrial processes.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

114 Patents

#1 in

#520 in Germany

#6,944 in the World

Gummersbach, Germany

L. & C. Steinmuller Gmbh

Forward Citations = 1,015

109 inventors:

Ulrich Premel (14 out of 15 patents)

Rolf Dorling (13 out of 13 patents)

Sigfrid Michelfelder (10 out of 10 patents)

4. Stanislaw Michalak (10 out of 12 patents)

5. Gunter Keintzel (8 out of 8 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: L. & C. Steinmuller Gmbh. Retrieved from https://idiyas.com/company/l-and-c-steinmuller

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]

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