Forward Citations = 136

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6 inventors (with patents filed for the assignee):

Detlef Schmitz (4 out of 13 patents)

Jens-Heinrich Kersten (3 out of 3 patents)

Peter Runte (2 out of 2 patents)

4. Reinhard Neuhaus (1 out of 15 patents)

5. Uwe Reich (1 out of 1 patent)

6. Karl-Heinz Schmidt (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 5366115 - Deformable container for delivering liquid (1994-11-22),

2. 5340031 - Foaming head (1994-08-23),

3. 5328060 - Pack for free-flowing filler (1994-07-12),

4. 5301846 - Spray bottle (1994-04-12),

5. 5249713 - Pump valve assembly (1993-10-05),

6. 5240149 - Closure cap (1993-08-31),

Company Overview

Perfect-valois Ventil Gmbh is a leading manufacturer of industrial valves and fittings. With a strong focus on quality and innovation, we provide a wide range of products for various industries including oil and gas, petrochemical, and water treatment. Our valves are known for their reliability and durability, making them the top choice for many customers around the world. Visit our website to learn more about our products and services.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

6 Patents

#40 in Dortmund

#5,403 in Germany

Dortmund, Germany

Perfect-Valois Ventil Gmbh

Forward Citations = 136

6 inventors:

Detlef Schmitz (4 out of 13 patents)

Jens-Heinrich Kersten (3 out of 3 patents)

Peter Runte (2 out of 2 patents)

4. Reinhard Neuhaus (1 out of 15 patents)

5. Uwe Reich (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Perfect-Valois Ventil Gmbh. Retrieved from https://idiyas.com/company/perfect-valois-ventil

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]