For the Inventor, By the Inventor

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Aurora, IL, United States of America

Northern Illinois Gas Company

USPTO Granted Patents = 15

CIPO Patents = 4

Trademarks = 2

Forward Citations = 675

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15 inventors (with patents filed for the assignee):

James E Batz (5 out of 5 patents)

Dennis J Martell (3 out of 3 patents)

Robert L Goad (2 out of 2 patents)

4. Ronald G Marotta (2 out of 2 patents)

5. Robert D Powers (2 out of 2 patents)

6. George Long (2 out of 2 patents)

7. Robert E Barrett (1 out of 4 patents)

8. Herman A Voss (1 out of 1 patent)

9. Harold L Ryterski (1 out of 1 patent)

10. Walter Simciak (1 out of 1 patent)

11. Peter P Toulios (1 out of 3 patents)

12. Walter Meyer (1 out of 1 patent)

13. Steven A Overmyer (1 out of 1 patent)

14. Steven A Overmyer (0 patent)

15. Walter Meyer (0 patent)

15 patents: Sort by Forward Citations

1. 5542287 - Portable gas pressure monitor with independently adjustable high and low (1996-08-06),

2. 5460071 - Power driven casing splitter apparatus (1995-10-24),

3. 5381136 - Remote data collection and monitoring system for distribution line (1995-01-10),

4. 5365977 - Pipe seal (1994-11-22),

5. 5297584 - Pipe seal (1994-03-29),

6. 4839642 - Data transmission system with data verification (1989-06-13),

7. 4634859 - Optical encoder with two photosensors (1987-01-06),

8. 4616193 - High frequency transistor oscillator with discrete resonator elements (1986-10-07),

9. 4366486 - Low profile antenna for data transponders (1982-12-28),

10. 4189925 - Method of storing electric power (1980-02-26),

11. 4166380 - Quantitative measuring system for combustible gas with audible tick rate (1979-09-04),

12. 4081748 - Frequency/space diversity data transmission system (1978-03-28),

13. 4040046 - Remote data readout system for transmitting digital data over existing (1977-08-02),

14. 4031513 - RF data exchange system (1977-06-21),

15. 3967202 - Data transmission system including an RF transponder for generating a (1976-06-29),

Northern Illinois Gas Company (NICOR) is a natural gas utility serving customers in northern Illinois. With over a century of experience, NICOR is committed to providing safe, reliable, and affordable natural gas services to residential, commercial, and industrial customers. The company is dedicated to environmental stewardship and energy efficiency, striving to reduce their carbon footprint and help customers lower their energy costs.

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

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USPTO Data Jan 1 1976 - Dec 9 2025

15 Patents

#16 in Aurora, IL

#1,021 in Illinois

#20,400 in US

#38,669 in the World

Aurora, IL, United States of America

Northern Illinois Gas Company

Forward Citations = 675

15 inventors:

James E Batz (5 out of 5 patents)

Dennis J Martell (3 out of 3 patents)

Robert L Goad (2 out of 2 patents)

4. Ronald G Marotta (2 out of 2 patents)

5. Robert D Powers (2 out of 2 patents)

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