% Expired Patents = 16.7

Trademarks = 5

Forward Citations = 91

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4 inventors (with patents filed for the assignee):

David J Balke (4 out of 7 patents)

Jacques E Hoffmann (4 out of 6 patents)

Peter G Davey (3 out of 6 patents)

4. Jacques E Hoffman (1 out of 2 patents)

6 patents: Sort by Forward Citations

1. 10107711 - Reducing thermal effects during leak testing (2018-10-23),

2. 7017387 - Calibration and validation for leak detector (2006-03-28),

3. 6626027 - Method and apparatus for detecting a gas leak using nuclear magnetic resonance (2003-09-30),

4. 5546789 - Leakage detection system (1996-08-20),

5. 5363689 - Calibration device for leak detecting instruments (1994-11-15),

6. 5161410 - Mass flow sensor for very low fluid flows (1992-11-10),

Company Overview

Intertech Development Company is a global provider of leak testing, flow measurement, and assembly automation solutions for a wide range of industries including automotive, medical, and industrial applications. With over 30 years of experience, Intertech offers innovative technology, reliable products, and exceptional customer service to meet the needs of their clients worldwide.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

6 Patents

#43 in Skokie, IL

#2,111 in Illinois

#44,981 in US

Skokie, IL, United States of America

Intertech Development Company

Forward Citations = 91

4 inventors:

David J Balke (4 out of 7 patents)

Jacques E Hoffmann (4 out of 6 patents)

Peter G Davey (3 out of 6 patents)

4. Jacques E Hoffman (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Intertech Development Company. Retrieved from https://idiyas.com/company/intertech-development-company

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]