% Expired Patents = 33.3

Forward Citations = 21

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4 inventors (with patents filed for the assignee):

Gilbert Halverson (2 out of 2 patents)

Mikhail Mordkovich (1 out of 7 patents)

Douglas A Johns (1 out of 1 patent)

4. Thomas Lee Tucker (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 6911812 - Method and apparatus for measuring frequency pulling in oscillators (2005-06-28),

2. 4056887 - Device for the measurement of liquid level (1977-11-08),

3. 3979953 - Mass flow meter for cryogenic fluid (1976-09-14),

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

3 Patents

#176 in Brooklyn, NY

#4,510 in New York

#73,815 in US

Brooklyn, NY, United States of America

Scientific Instruments, Inc.

Forward Citations = 21

4 inventors:

Gilbert Halverson (2 out of 2 patents)

Mikhail Mordkovich (1 out of 7 patents)

Douglas A Johns (1 out of 1 patent)

4. Thomas Lee Tucker (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Scientific Instruments, Inc.. Retrieved from https://idiyas.com/company/scientific-instruments

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]