% Expired Patents = 16.7

Forward Citations = 83

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14 inventors (with patents filed for the assignee):

Rainer Frische (5 out of 18 patents)

Katja Hegwein (3 out of 4 patents)

Bernd Best (3 out of 13 patents)

4. Karlheinz Brunner (2 out of 6 patents)

5. Joachim Seemann (2 out of 2 patents)

6. Rainer Ricker (1 out of 3 patents)

7. Dirk Kilian (1 out of 2 patents)

8. Friedrich-Wilhelm Von Rotenhan (1 out of 1 patent)

9. Jürgen Volkheimer (1 out of 2 patents)

10. Barbara Olbrich-Deussner (1 out of 1 patent)

11. Jurgen Volkheimer (1 out of 5 patents)

12. Judith Schneider (1 out of 4 patents)

13. Erika Jager (1 out of 1 patent)

14. Michaela Kramer (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 6547173 - Method and apparatus for removing the husks of oil-bearing seeds (2003-04-15),

2. 6512131 - Process for carrying out multi-phase reactions according to the counter current principle of a liquid and gaseous phase and apparatus for carrying out the process (2003-01-28),

3. 6455715 - Method of producing dicarboxylic acids suitable for synthesis of polymers or polyamides (2002-09-24),

4. 6265593 - Process for solvent extraction of hydrophobic compounds (2001-07-24),

5. 5928696 - Process for extracting native products which are not water-soluble from (1999-07-27),

6. 5427790 - Process for producing a triglyceride mix free from components hampering (1995-06-27),

Company Overview

Dr. Frische GmbH is a leading manufacturer of innovative medical devices and equipment. With a focus on quality and precision, our products are designed to meet the needs of healthcare professionals and patients. We offer a wide range of products including surgical instruments, orthopedic implants, and medical instruments. Our commitment to excellence and customer satisfaction sets us apart in the industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

6 Patents

#11 in Alzenau

#5,403 in Germany

Alzenau, Germany

Dr. Frische Gmbh

Forward Citations = 83

14 inventors:

Rainer Frische (5 out of 18 patents)

Katja Hegwein (3 out of 4 patents)

Bernd Best (3 out of 13 patents)

4. Karlheinz Brunner (2 out of 6 patents)

5. Joachim Seemann (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Dr. Frische Gmbh. Retrieved from https://idiyas.com/company/dr-frische

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

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]