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Forward Citations = 40

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13 inventors (with patents filed for the assignee):

Rudolf Muller (5 out of 7 patents)

Johannes Uerlichs (2 out of 3 patents)

Wolfgang Schawag (1 out of 2 patents)

4. Josef Seeger (1 out of 4 patents)

5. Bernd Ormanns (1 out of 1 patent)

6. Karl-Josef Kremers (1 out of 1 patent)

7. Hermann-Josef Stolberg (1 out of 1 patent)

8. Hermann Josef Stolberg (1 out of 1 patent)

9. Konrad Fink (1 out of 1 patent)

10. Franz Lengsfeld (1 out of 1 patent)

11. Pietro Lonardo (1 out of 1 patent)

12. Hans Kuckertz (1 out of 1 patent)

13. Erich Marx (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 5697596 - Flap valve with improved actuator (1997-12-16),

2. 4337789 - Shut-off valve for interrupting a flow of a fluid through a pipeline (1982-07-06),

3. 4313724 - Ceramic burner for use in an air heater (1982-02-02),

4. 4296776 - Gate valve for use in large size conduits (1981-10-27),

5. 4127257 - Process for operating a plurality of regenerative hot blast stoves for (1978-11-28),

6. 4018420 - Slide valve for closing a large pressurized gas conveying pipe (1977-04-19),

7. 3970109 - Shutoff and control slide (1976-07-20),

Hermann Rappold & Co. GmbH is a leading manufacturer in the field of industrial valves and fittings. With over 50 years of experience, the company offers high-quality products for various industries including chemical, petrochemical, and pharmaceutical. Their innovative solutions and exceptional customer service have earned them a solid reputation in the industry.

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

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USPTO Data Jan 1 1976 - Dec 16 2025

7 Patents

#6 in Duren

#4,792 in Germany

Duren, Germany

Hermann Rappold & Co. Gmbh