Forward Citations = 69

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4 inventors (with patents filed for the assignee):

Karl Harnoncourt (3 out of 8 patents)

Christian Buess (1 out of 14 patents)

Dieter Patzold (1 out of 2 patents)

4. Walter Guggenbuhl (1 out of 5 patents)

3 patents: Sort by Forward Citations

1. 5647370 - Ultrasonic spirometer (1997-07-15),

2. 5645071 - Method for the measurement of the molar mass of gases or gas mixtures (1997-07-08),

3. 5419326 - Spirometer, more particularly an ultrasonic spirometer (1995-05-30),

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

3 Patents

#1 in Estenfeld

#8,427 in Germany

Estenfeld, Germany

Ndd Medizintechnik Gmbh

Forward Citations = 69

4 inventors:

Karl Harnoncourt (3 out of 8 patents)

Christian Buess (1 out of 14 patents)

Dieter Patzold (1 out of 2 patents)

4. Walter Guggenbuhl (1 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ndd Medizintechnik Gmbh. Retrieved from https://idiyas.com/company/ndd-medizintechnik

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]