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Friedrich Wilh. Schwing Gmbh

USPTO Granted Patents = 32

Trademarks = 2

Forward Citations = 278

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18 inventors (with patents filed for the assignee):

Friedrich W Schwing (17 out of 28 patents)

Karl-Ernst Von Eckardstein (6 out of 6 patents)

Gerhard Schwing (4 out of 4 patents)

4. Andrej Simnovec (3 out of 3 patents)

5. Joachim Coja (1 out of 1 patent)

6. Andre J Simnovec (1 out of 1 patent)

7. Wolfgang Merten (1 out of 1 patent)

8. Gunter Schmittchen (1 out of 1 patent)

9. Karl E Von Eckardstein (1 out of 1 patent)

10. Bernhard Meinken (1 out of 2 patents)

11. Wilfried Guthoff (1 out of 1 patent)

12. Manfred Haas (1 out of 1 patent)

13. Udo Pindras (1 out of 1 patent)

14. Waldemar Warnecke (1 out of 1 patent)

15. Werner Fiala (1 out of 1 patent)

32 patents: Sort by Forward Citations

1. 5580166 - Cement pump for a wet spray system (1996-12-03),

2. 5536151 - Device for the pneumatic discharge of concrete that is hydromechanically (1996-07-16),

3. 5380174 - Pump for thick matter having delivery cylinders, in particular a (1995-01-10),

4. 5353684 - Hydraulic control device for working cylinders with unequal piston speeds (1994-10-11),

5. 5325761 - Switching arrangement for controlling the speed of hydraulic drives (1994-07-05),

6. 5316453 - Slurry pump with discharge cylinders, especially two-cylinder concrete (1994-05-31),

7. 5281113 - Thick materials pump with paired, preferably parallel feed cylinders (1994-01-25),

8. 5263828 - Two-cylinder thick matter pump having a piston storage (1993-11-23),

9. 5224654 - Apparatus for pneumatically discharging liquified building material (1993-07-06),

10. 5066203 - Apparatus for pneumatically discharging concrete (1991-11-19),

11. 4978073 - Apparatus for pneumatically discharging liquified building material (1990-12-18),

12. 4951806 - Double belt conveyor band (1990-08-28),

13. 4852467 - Spool valve for concrete pumps (1989-08-01),

14. 4799573 - Adjustable personnel platform (1989-01-24),

15. 4730934 - Mobile mixer, preferably having counterrotational emptying, for building (1988-03-15),

Friedrich Wilh. Schwing GmbH is a renowned global provider of concrete machinery and equipment. With over 85 years of expertise, Schwing offers a comprehensive range of high-quality, reliable, and innovative solutions for the construction industry. Their product portfolio includes concrete pumps, truck mixers, batching plants, and more, all designed to enhance efficiency and productivity on construction sites worldwide. As a leader in the industry, Schwing is committed to delivering excellent performance, durability, and customer satisfaction.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

32 Patents

#2 in Herne

#1,547 in Germany

#20,071 in the World

Friedrich Wilh. Schwing Gmbh

Forward Citations = 278

18 inventors:

Friedrich W Schwing (17 out of 28 patents)

Karl-Ernst Von Eckardstein (6 out of 6 patents)

Gerhard Schwing (4 out of 4 patents)

4. Andrej Simnovec (3 out of 3 patents)

5. Joachim Coja (1 out of 1 patent)

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