Trademarks = 1

Forward Citations = 180

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8 inventors (with patents filed for the assignee):

Steven D Jacob (2 out of 15 patents)

Osman Ahmed (1 out of 46 patents)

Donald E Charles (1 out of 12 patents)

4. Kenneth F Wolfinger (1 out of 8 patents)

5. William H Gorski (1 out of 2 patents)

6. Amy L Ikenn (1 out of 1 patent)

7. Wayne S Lauer (1 out of 1 patent)

8. Christopher Wojtowicz (1 out of 2 patents)

5 patents: Sort by Forward Citations

1. 5833529 - Fume hood exhaust terminal having an electrically driven linear actuator (1998-11-10),

2. 5816492 - Room temperature sensor and thermostat control device (1998-10-06),

3. 5733188 - Speed of laboratory fume hood sash opening monitor and indicator (1998-03-31),

4. 5705734 - Automated branch flow calibration in a HVAC distribution system (1998-01-06),

5. 5634590 - Direct digital control thermostat (1997-06-03),

Company Overview

Landis & Staefa, Inc. is a leading provider of building automation systems and solutions. With a focus on energy efficiency and sustainability, the company offers a wide range of products and services for commercial and residential buildings. Their innovative technology helps improve comfort, safety, and operational efficiency for their clients.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

5 Patents

#24 in Buffalo Grove, IL

#2,424 in Illinois

#51,620 in US

Buffalo Grove, IL, United States of America

Landis & Staefa, Inc.

Forward Citations = 180

8 inventors:

Steven D Jacob (2 out of 15 patents)

Osman Ahmed (1 out of 46 patents)

Donald E Charles (1 out of 12 patents)

4. Kenneth F Wolfinger (1 out of 8 patents)

5. William H Gorski (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Landis & Staefa, Inc.. Retrieved from https://idiyas.com/company/landis-and-staefa

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]