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For the Inventor, By the Inventor

Iserlohn, Germany

Ludwig Muhlhaus

This inventor holds 4 USPTO granted patents. Top assignee: Uhde Gmbh. Active years: 1986-1988.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ludwig Muhlhaus. Retrieved from https://idiyas.com/inventor/ludwig-muhlhaus

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 4

% Patents Active = 100.0

Average Co-Inventor Count = 3.9

ph-index = 3

Forward Citations = 25(Granted Patents)


Location History:

  • Nothweg, DE (1986)
  • Dortmund, DE (1987)
  • Iserlohn, DE (1986 - 1988)

Company Filing History:

goldMedal4 out of 177 
 
Uhde Gmbh
 patents

Years Active: 1986-1988

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4 patents (USPTO):Explore Patents
1. 4742623 - Process and equipment for the indirect drying of sludge, especially for (1988-05-10),
2. 4681157 - Crossflow heat exchanger (1987-07-21),
3. 4591335 - Process for reheating and conveying a granular heat carrier (1986-05-27),
4. 4576924 - Process for the desorption of spent solid absorbent (1986-03-18),

Title: Ludwig Muhlhaus: Innovator in Sludge Drying Technology

Introduction

Ludwig Muhlhaus is a notable inventor based in Iserlohn, Germany. He has made significant contributions to the field of sludge drying technology, holding a total of 4 patents. His innovative approaches aim to improve efficiency and reduce environmental impact in wastewater management.

Latest Patents

Muhlhaus's latest patents include a process and equipment for the indirect drying of sludge. This method focuses on utilizing low-value energy for drying purposes while minimizing environmental nuisance. The process involves drying sludge under vacuum, achieved by withdrawing water vapor through an injection condenser. The equipment consists of a barometric condenser linked to a mechanical sludge dehydrator and at least one sludge drier, all designed to operate within a hermetically closed sludge space.

Another significant patent is for a gas-tight crossflow heat exchanger. This device features a metal casing with gas inlet and outlet nozzles, along with a block of ceramic heat-exchange elements. The design ensures gas-tightness and thermal insulation, enhancing the efficiency of heat exchange processes.

Career Highlights

Ludwig Muhlhaus is currently employed at Uhde GmbH, where he continues to develop innovative solutions in the field of sludge drying. His work has been instrumental in advancing technologies that address the challenges of wastewater treatment.

Collaborations

Muhlhaus collaborates with esteemed colleagues such as Peter Meurer and Heinrich Steuber. Their combined expertise contributes to the development of cutting-edge technologies in their field.

Conclusion

Ludwig Muhlhaus stands out as a key figure in the innovation of sludge drying technology. His patents reflect a commitment to improving environmental sustainability and efficiency in wastewater management.

Profile summary based on public USPTO records.
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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