Walter Pfefferle

This inventor holds 87 USPTO granted patents and 8 published patent applications, plus 1 CIPO patent and 7 EPO patents, primarily in Amino Acid Production (CPC class C12N1-20). Top assignees: Degussa Aktiengesellschaft, Evonik Degussa Gmbh, Degussa Gmbh. Active years: 1998-2026.

USPTO Granted Patents = 87 (Patent Applications = 8)

% Patents Active = 49.4

CIPO Patents = 1 (Patent Applications = 7)

EPO Patents = 7 (Patent Applications = 11)

Average Co-Inventor Count = 4.6

ph-index = 9

Forward Citations = 414(Granted Patents)

Forward Citations (Not Self Cited) = 403(Dec 10, 2025)

Inventors with similar research interests:

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Location History:

Halle(Westf.), DE (2001 - 2010)
Halle, DE (1998 - 2011)
Langgöns, DE (2012)

Company Filing History:

63 out of 1,694

Degussa Aktiengesellschaft

Evonik Operations Gmbh

patents

6. 1 out of 1

Degussa Ag Dusseldorf

patent

7. 6 out of 834,411

Other

patents

Years Active: 1998-2026

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Areas of Expertise:

L-Lysine

Corynebacteria

Nucleotide Sequences

Amino Acids

Polyurethanes

Fermentation

Genetic Engineering

Sybiotic Compositions

Chromosomal Genes

Animal-Feed Additives

Coryneform Bacteria

Alleles

87 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12698376 - Depolymerization of polyurethanes under mild conditions (2026-08-04),

2. 12612503 - Depolymerization method for polyurethanes (2026-04-28),

3. 12329788 - Synbiotic compositions (2025-06-17),

4. 8334126 - Coryneform host-vector systems comprising a chromosomal ALR gene which is attenuated or eliminated and methods of using (2012-12-18),

5. 8048665 - Nucleotide sequences encoding alanine racemase from coryneform (2011-11-01),

6. 7981640 - L-lysine-producing corynebacteria and process for the preparation of L-lysine (2011-07-19),

7. 7759056 - Nucleotide sequence encoding the dapC gene and process for the production of L-lysine (2010-07-20),

8. 7524657 - Alleles of the sigA gene from coryneform bacteria (2009-04-28),

9. 7435584 - L-lysine-producing corynebacteria and process for the preparation of L-lysine (2008-10-14),

10. 7416863 - Nucleotide sequences for encoding of the lysR2-gene (2008-08-26),

11. 7348037 - Sulfur-containing animal-feed additives (2008-03-25),

12. 7306939 - Nucleotide sequences encoding the gpm gene (2007-12-11),

13. 7262036 - Process for the preparation of l-amino acids (2007-08-28),

14. 7252977 - Nucleotide sequences which code for the msiK gene (2007-08-07),

15. 7205144 - [object Object] (2007-04-17),

As my specialization is in innovations, inventions, inventors, patent attorneys, assignees, and patents, I can certainly help you with that! Here is the requested article about inventor Walter Pfefferle:

Title: The Inventor Spotlight: Walter Pfefferle

Introduction:

Walter Pfefferle, a prolific inventor based in Halle, Germany, has made significant contributions to the field of biotechnology with his numerous patents and innovative research.

Latest Patents:

Pfefferle's latest patents showcase his expertise in coryneform host-vector systems, particularly focusing on the ALR gene. One of his inventions involves isolated polynucleotides that code for the alr gene, along with a host-vector system featuring a coryneform host bacterium with an attenuated alr gene. These patents also highlight the use of polynucleotides as hybridization probes in biotechnological applications.

Career Highlights:

Throughout his career, Walter Pfefferle has collaborated with esteemed companies in the biotechnology sector. Notably, he has worked at Degussa Aktiengesellschaft and Evonik Degussa GmbH, where he has applied his inventive spirit to drive technological advancements in the industry.

Collaborations:

Pfefferle's innovative work has been further enriched through collaborations with talented individuals in the field. Among his esteemed coworkers are Mike Farwick and Brigitte Bathe, who have contributed to the success of his patented inventions through their expertise and teamwork.

Conclusion:

In conclusion, Walter Pfefferle stands out as a pioneering inventor in the realm of biotechnology, with a remarkable portfolio of 84 patents that exemplify his dedication to pushing the boundaries of scientific innovation. His groundbreaking research continues to shape the future of biotechnological advancements, making him a prominent figure in the world of inventions and patents.