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Cresskill, NJ, United States of America

F. L. Smidth & Co.

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USPTO Granted Patents = 71

Forward Citations = 578

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45 inventors (with patents filed for the assignee):

Jorn Touborg (8 out of 11 patents)

Soren Bent Christiansen (6 out of 6 patents)

Hans B Knudsen (5 out of 6 patents)

4. Karl Jens Sylvest (4 out of 4 patents)

5. Helge Carl Kartman (4 out of 4 patents)

6. Ib Hansen (3 out of 3 patents)

7. Dan S Hansen (3 out of 3 patents)

8. Tage Halfdan Dano (3 out of 3 patents)

9. Rolf Dietrich Houd (3 out of 3 patents)

10. Leif Lind (2 out of 3 patents)

11. Bent Horning (2 out of 2 patents)

12. William Christian Endersen (2 out of 2 patents)

13. Niels E Hastrup (2 out of 2 patents)

14. Erik C Christensen (2 out of 2 patents)

15. Torben Enkegaard (2 out of 8 patents)

Core Competencies:

Cement Manufacturing

Kiln Plant

Electrostatic Precipitator

Grinding Methods

Pulverulent Materials

Thermal Treatment

Cement Clinker

Rotary Kiln

Particulate Material

Heat Treatment

Raw Materials

Planetary Cooler

71 patents: Sort by Forward Citations

1. 6257877 - Kiln plant and method for manufacturing cement (2001-07-10),

2. 4659342 - Method of controlling operation of an electrostatic precipitator (1987-04-21),

3. 4613346 - Energy control for electrostatic precipitator (1986-09-23),

4. 4540085 - Device for raking a storage heap (1985-09-10),

5. 4529579 - Method for producing anhydrous alumina (1985-07-16),

6. 4511462 - Method and apparatus for sorting particulate material (1985-04-16),

7. 4503477 - Method and arrangement for protecting a thyristor switch of a pulse (1985-03-05),

8. 4485974 - Vertical roller mill and method of use thereof (1984-12-04),

9. 4445911 - Method of controlling operation of an electrostatic precipitator (1984-05-01),

10. 4435159 - Apparatus for thermally treating pulverous materials such as cement raw (1984-03-06),

11. 4420303 - Method and apparatus for thermally treating pulverulent materials (1983-12-13),

12. 4420302 - Method and apparatus for thermally treating pulverulent materials (1983-12-13),

13. 4419964 - Combustion plant (1983-12-13),

14. 4416622 - Method and plant such as a kiln plant for treating granular or pulverous (1983-11-22),

15. 4403952 - Apparatus for driving a rotary drum, such as a rotary kiln (1983-09-13),

Company Overview

F. L. Smidth & Co. is a prominent player in the cement manufacturing sector, specializing in the development and supply of advanced technologies and equipment for the production of cement and related materials. The company focuses on key areas such as kiln plants, grinding methods, and thermal treatment processes, enhancing efficiency and sustainability in cement production. With a strong emphasis on innovation, F. L. Smidth & Co. is dedicated to providing solutions that optimize the performance of cement plants globally.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

71 Patents

#1 in Cresskill, NJ

#222 in New Jersey

#5,176 in US

#10,523 in the World

Cresskill, NJ, United States of America

F. L. Smidth & Co.

Forward Citations = 578

45 inventors:

Jorn Touborg (8 out of 11 patents)

Soren Bent Christiansen (6 out of 6 patents)

Hans B Knudsen (5 out of 6 patents)

4. Karl Jens Sylvest (4 out of 4 patents)

5. Helge Carl Kartman (4 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: F. L. Smidth & Co.. Retrieved from https://idiyas.com/company/f-l-smidth-and-company

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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