Pfungstadt, Germany

Ludwig Sigmund

This inventor holds 2 USPTO granted patents. Top assignee: Wella Aktiengesellschaft. Active years: 1982-1986.

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

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 2

Forward Citations = 30(Granted Patents)


Company Filing History:


Years Active: 1982-1986

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2 patents (USPTO):Explore Patents

Title: Ludwig Sigmund: Innovator in Hair Care Technology

Introduction

Ludwig Sigmund is a notable inventor based in Pfungstadt, Germany. He has made significant contributions to the field of hair care technology, holding 2 patents that showcase his innovative spirit and technical expertise.

Latest Patents

One of his latest inventions is the "Hair Dye Applicating Apparatus." This apparatus features a handle part designed as a hair dye supply container, a combination part connected to the supply container, and a hair separating tip positioned in spaced relation to the supply container. Additionally, it includes a comb member with multiple tines and a hair dye application part that consists of a displaceable brush member with several bristle bundles. An elastic nozzle member is located inside the brush member, surrounded by the bristle bundles, forming a hair dye outlet opening.

Another significant patent is the "Dispensing Device with One-Hand Operation for Pasty Substances." This device is designed for applying pasty substances, such as hair dye, and comprises a cup-shaped cylindrical container with a displaceable piston. The container is sealingly connected to an operating extension that has a cylindrical passage ending with a dispensing nozzle, which can be selectively closed by a sealing cap. The piston features two sealing lips that ensure a reliable connection and guidance within the container.

Career Highlights

Ludwig Sigmund is associated with Wella Aktiengesellschaft, a prominent company in the hair care industry. His work there has allowed him to develop innovative solutions that enhance the hair dye application process.

Collaborations

Throughout his career, Ludwig has collaborated with notable colleagues, including Franz Steigerwald and Norbert Golzer. These partnerships have contributed to the advancement of hair care technologies and the successful development of his patents.

Conclusion

Ludwig Sigmund's contributions to hair care technology through his innovative patents demonstrate his commitment to improving the industry. His work continues to influence how hair dye is applied, making the process more efficient and user-friendly.

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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