For the Inventor, By the Inventor

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Buffalo Grove, IL, United States of America

Landis & Gyr Powers, Inc.

USPTO Granted Patents = 24

Trademarks = 4

Forward Citations = 724

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25 inventors (with patents filed for the assignee):

Osman Ahmed (7 out of 46 patents)

Steven D Jacob (7 out of 15 patents)

Darryl G Hurmi (3 out of 3 patents)

4. Steven A Bradley (3 out of 3 patents)

5. Guy P Caliendo (2 out of 14 patents)

6. James Joseph Coogan (2 out of 21 patents)

7. Michael Lynn (2 out of 3 patents)

8. Steven L Fritsche (2 out of 2 patents)

9. Mark G Hanley (2 out of 4 patents)

10. Alan Morris (2 out of 2 patents)

11. Sanford A Klein (1 out of 4 patents)

12. John W Mitchell (1 out of 4 patents)

13. Richard A Perry (1 out of 7 patents)

14. June R Carper (1 out of 2 patents)

15. David A Egbers (1 out of 1 patent)

24 patents: Sort by Forward Citations

1. 5592989 - Electronic thermostat having high and low voltage control capability (1997-01-14),

2. 5579993 - HVAC distribution system identification (1996-12-03),

3. 5573181 - Global control of HVAC distribution system (1996-11-12),

4. 5562537 - Networked fume hood monitoring system (1996-10-08),

5. 5540619 - Control of prime mover in HVAC distribution system (1996-07-30),

6. 5528215 - Building automation system having expansion modules (1996-06-18),

7. 5518446 - Fume hood exhaust terminal (1996-05-21),

8. 5470275 - Method and apparatus for controlling fume hood face velocity using (1995-11-28),

9. 5460202 - Three-way piezoelectric valve (1995-10-24),

10. 5439414 - Networked fume hood monitoring system (1995-08-08),

11. D359244 - Thermostat cover (1995-06-13),

12. 5350113 - Air flow control system and method for a dual duct system (1994-09-27),

13. 5347754 - Position sensing apparatus (1994-09-20),

14. D350532 - Enclosure for the controller of a unit ventilator (1994-09-13),

15. 5323961 - Apparatus for controlling unit ventilators (1994-06-28),

Landis & Gyr Powers, Inc. is a global leader in energy management solutions. With over 125 years of experience, the company offers a range of products and services including smart meters, grid management systems, and advanced energy analytics. Landis & Gyr Powers, Inc. is committed to helping utilities and energy providers optimize their operations, improve customer service, and drive sustainability.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

24 Patents

#7 in Buffalo Grove, IL

#696 in Illinois

#13,426 in US

#25,857 in the World

Buffalo Grove, IL, United States of America

Landis & Gyr Powers, Inc.

Forward Citations = 724

25 inventors:

Osman Ahmed (7 out of 46 patents)

Steven D Jacob (7 out of 15 patents)

Darryl G Hurmi (3 out of 3 patents)

4. Steven A Bradley (3 out of 3 patents)

5. Guy P Caliendo (2 out of 14 patents)

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