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For the Inventor, By the Inventor

Krefeld, Germany

Klaus Elfert

This inventor holds 8 USPTO granted patents. Top assignee: Bayer Aktiengesellschaft. Active years: 1977-1983.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Klaus Elfert. Retrieved from https://idiyas.com/inventor/klaus-elfert

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

USPTO Granted Patents = 8

% Patents Active = 100.0

Average Co-Inventor Count = 2.6

ph-index = 6

Forward Citations = 129(Granted Patents)


Location History:

  • Dormagen, DE (1981)
  • Krefeld, DE (1977 - 1983)

Company Filing History:

goldMedal8 out of 12,266 
 
Bayer Aktiengesellschaft
 patents

Years Active: 1977-1983

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8 patents (USPTO):Explore Patents
1. 4383923 - Semipermeable membranes (1983-05-17),
2. 4269967 - Semipermeable membranes of aromatic disulfimide containing polyamides (1981-05-26),
3. 4252652 - Process of using a semi-permeable membrane of acrylonitrile copolymers (1981-02-24),
4. 4221903 - Semipermeable membranes of heterocyclic copolyamides (1980-09-09),
5. 4217227 - Semipermeable membranes of copolyamides (1980-08-12),
6. 4115465 - Separation of aromatic hydrocarbons from mixtures, using polyurethane (1978-09-19),
7. 4069215 - Semipermeable membranes of sulphonated polybenz-1,3-oxazin-2,4-diones (1978-01-17),
8. 4059580 - Sulphonated polybenz-1,3-oxazin-2,4-diones (1977-11-22),

Title: Klaus Elfert - Innovative Inventor from Krefeld

Introduction: Klaus Elfert is a renowned inventor hailing from Krefeld, Germany, known for his groundbreaking contributions to various fields of technology and innovation.

Latest Patents: Klaus Elfert holds several recent patents in the areas of renewable energy, sustainable materials, and advanced manufacturing processes, showcasing his commitment to creating a more sustainable future.

Career Highlights: With a career spanning over two decades, Klaus Elfert has worked with leading research institutions and companies to develop cutting-edge technologies that have revolutionized industries such as automotive, aerospace, and electronics.

Collaborations: Throughout his career, Klaus Elfert has collaborated with top engineers, scientists, and designers to bring his innovative ideas to life. His ability to work in multidisciplinary teams has led to the successful commercialization of several groundbreaking inventions.

Conclusion: Klaus Elfert's passion for innovation and his relentless pursuit of excellence have established him as a key figure in the world of inventors. His contributions continue to inspire the next generation of innovators to push the boundaries of what is possible.

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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