Willi Steckelberg

This inventor holds 21 USPTO granted patents, primarily in Dye Chemistry. Top assignees: Cassella Aktiengesellschaft, Hoechst Aktiengesellschaft. Active years: 1976-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Willi Steckelberg. Retrieved from https://idiyas.com/inventor/willi-steckelberg

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

Calculating rank

USPTO Granted Patents = 21

% Patents Active = 100.0

Average Co-Inventor Count = 3.3

ph-index = 6

Forward Citations = 94(Granted Patents)

Location History:

Hofheim, Taunus, DE (1976 - 1978)
Hofheim am Taunus, DE (1978)
Hofheim im Taunus, DE (1979)
Coventry, RI (US) (1981)
Hofheim, DE (1989 - 1994)
Hofheim/Ts, DE (1994 - 1996)
Hofheim/Ts., DE (1995 - 1996)

Company Filing History:

12 out of 260

Cassella Aktiengesellschaft

patents

9 out of 6,705

Hoechst Aktiengesellschaft

patents

Years Active: 1976-1996

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Areas of Expertise:

Polycondensates

Phosphinic Acid

Phosphonic Acid

Sulphur Dyes

Azo Dyes

Dyeing Processes

Quaternary Ammonium Compounds

Fabric Softeners

Hair Care Compositions

Synthetic Fibers

Lubricating Agents

21 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5530093 - Polycondensates containing phosphinic and phosphonic acid groups (1996-06-25),

2. 5492995 - Polycondensates containing phosphinic or phosphonic acid groups and (1996-02-20),

3. 5414128 - Process for the preparation of N-substituted nitro-p-phenylenediamines (1995-05-09),

4. 5387716 - N4-substituted 1-alkoxy-2-acylamino-4-aminobenzenes, process for their (1995-02-07),

5. 5383961 - Water-soluble sulphur dyes, their preparation and use (1995-01-24),

6. 5374302 - Water-insoluble sulphur dyes, their preparation and use (1994-12-20),

7. 5368637 - Water-insoluble sulphur dyes, their preparation and use (1994-11-29),

8. 5174791 - Process for dyeing and printing blend fabrics of polyester and natural (1992-12-29),

9. 5110917 - Water-soluble trisazo dyes (1992-05-05),

10. 5037962 - .beta.-modification of (1991-08-06),

11. 4918221 - Process for preparing 2,5-dichlorophenylthioglycollic acid (1990-04-17),

12. 4881977 - Water-soluble yellow monoazo dyestuffs (1989-11-21),

13. 4871754 - Aqueous formulation of 1,2-benzisothiazolin-3-one (1989-10-03),

14. 4293306 - Process for the dyeing and printing of hydrophobic synthetic organic (1981-10-06),

15. 4134970 - Quaternary ammonium compounds and their use in hair care compositions (1979-01-16),

Title: Willi Steckelberg: Pioneering Inventor in the World of Technology

Introduction: Willi Steckelberg, a trailblazing inventor based in Hofheim, Germany, has garnered a reputation for his relentless pursuit of innovation and his passion for creating solutions to complex challenges in the realm of technology.

Latest Patents: With an impressive portfolio of 21 patents, Willi Steckelberg's latest inventions include polycondensates containing phosphinic and phosphonic acid groups. These innovations have paved the way for advancements in materials science and industrial applications.

Career Highlights: Throughout his career, Willi Steckelberg has made significant contributions to companies such as Cassella Aktiengesellschaft and Hoechst Aktiengesellschaft. His innovative approach to problem-solving and his ability to push the boundaries of traditional thinking have set him apart as a visionary in his field.

Collaborations: Willi Steckelberg has collaborated with esteemed professionals in the industry, including Wolfgang Bauer and Josef Ritter. Together, they have worked on groundbreaking projects that have reshaped the technological landscape and inspired future generations of inventors.

Conclusion: In conclusion, Willi Steckelberg's dedication to innovation, coupled with his unwavering commitment to creating impactful solutions, has solidified his position as a pioneering inventor in the world of technology. His legacy will continue to inspire and shape the future of technological advancements for years to come.

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]