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Recklinghausen, Germany

Firma Carl Still

USPTO Granted Patents = 33

Forward Citations = 411

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34 inventors (with patents filed for the assignee):

Johannes Knappstein (8 out of 11 patents)

Josef Stratmann (6 out of 11 patents)

Manfred Strobel (6 out of 11 patents)

4. Kurt Lorenz (5 out of 37 patents)

5. Horst Dungs (5 out of 40 patents)

6. Heinrich Weber (5 out of 30 patents)

7. Kurt Tippmer (4 out of 16 patents)

8. Dieter Stalherm (3 out of 10 patents)

9. Janos Bocsanczy (3 out of 6 patents)

10. Martin Bender (2 out of 3 patents)

11. Dieter Laufhutte (2 out of 7 patents)

12. Peter Speich (2 out of 3 patents)

13. Friedrich Thiersch (2 out of 6 patents)

14. Franz Beckmann (2 out of 7 patents)

15. Ludwig Offermann (1 out of 4 patents)

33 patents: Sort by Forward Citations

1. 4290854 - Method of operating horizontal coke oven batteries (1981-09-22),

2. 4265709 - Method and apparatus for separating gases and solids during the (1981-05-05),

3. 4260460 - Device for quenching glowing coke (1981-04-07),

4. 4256540 - Regenerative heating system for horizontal coke oven batteries (1981-03-17),

5. 4247366 - Method of operating a coal predrying and heating plant in connection (1981-01-27),

6. 4242027 - Apparatus for charging coke oven furnaces of a coke oven battery (1980-12-30),

7. 4238293 - Maintenance and repair station for charging cars of coke oven batteries (1980-12-09),

8. 4235625 - Method of producing hydrogen and carbon-oxide-containing process gases (1980-11-25),

9. 4232566 - Switching lever mechanism (1980-11-11),

10. 4230594 - Method of treating spent reducing gas (1980-10-28),

11. 4220469 - Method for producing reduction gases consisting essentially of carbon (1980-09-02),

12. 4211611 - Coke oven coal charging device (1980-07-08),

13. 4190498 - System to acquire and monitor operating machinery positions for (1980-02-26),

14. 4187079 - Method for producing form coke (1980-02-05),

15. 4181502 - Method of producing form coke (1980-01-01),

Firma Carl Still is a leading industrial equipment manufacturer established in 1898. We specialize in producing high-quality forklifts, reach trucks, and hand pallet trucks for various industries. Our innovative and reliable solutions help businesses optimize their material handling operations. With a strong commitment to sustainability, we integrate eco-friendly technologies into our products, reducing emissions and energy consumption. Firma Carl Still aims to deliver excellent customer service and exceed expectations with our cutting-edge equipment and comprehensive after-sales support.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

33 Patents

#1 in BOTH OF

#1,512 in DT

#19,540 in the World

Recklinghausen, Germany

Firma Carl Still

Forward Citations = 411

34 inventors:

Johannes Knappstein (8 out of 11 patents)

Josef Stratmann (6 out of 11 patents)

Manfred Strobel (6 out of 11 patents)

4. Kurt Lorenz (5 out of 37 patents)

5. Horst Dungs (5 out of 40 patents)

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