For the Inventor, By the Inventor

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Phoenix, AZ, United States of America

Siemens Transmission Systems, Inc.

USPTO Granted Patents = 26

Forward Citations = 272

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20 inventors (with patents filed for the assignee):

Robert V Burns (6 out of 9 patents)

Sanjay Gupta (6 out of 6 patents)

Steven S Gorshe (3 out of 3 patents)

4. Nirmal S Virdee (3 out of 3 patents)

5. James S Butcher (2 out of 13 patents)

6. Paul M Berard (2 out of 2 patents)

7. Bruce D Bender (2 out of 2 patents)

8. Rolf H Wendt (2 out of 2 patents)

9. Ajaib S Bhadare (1 out of 1 patent)

10. Paul U Lind (1 out of 3 patents)

11. Carl R Tarver (1 out of 5 patents)

12. Salim M Khan (1 out of 2 patents)

13. Todd H Gartner (1 out of 1 patent)

14. Robert H Beeman (1 out of 5 patents)

15. Hamid R Rezaie (1 out of 1 patent)

Core Competencies:

Low Frequency Sinewave Generator

Ringing Signal Generator

Overload Detector

Frequency Multiplier

Telecommunication System

Microprocessor Fault Recovery

Digital Activity Loss Detector

Jitter Tolerant Circuit

Subscriber Line Interface Circuit

High Resolution Digital Phase-Lock Loop

Error Correction Method

Digital Scrambling

26 patents: Sort by Forward Citations

1. 5121069 - Low frequency sinewave generator (1992-06-09),

2. 5046861 - Vertically oriented drawer slide (1991-09-10),

3. 5001748 - Ringing signal generator (1991-03-19),

4. 4965692 - Overload detector and protection circuit (1990-10-23),

5. 4962527 - Series ringing signal generator (1990-10-09),

6. 4959836 - Register robustness improvement circuit and method (1990-09-25),

7. 4956797 - Frequency multiplier (1990-09-11),

8. 4939776 - Logic signal circuit for a releasing relay (1990-07-03),

9. 4928067 - Non-intrusive fiber optic electromagnetic field probe apparatus and (1990-05-22),

10. 4924511 - Ring signal generator for generating ring signals of different (1990-05-08),

11. 4914420 - Telecommunication system including a remote alarm reporting unit (1990-04-03),

12. 4912708 - Automatic microprocessor fault recovery system (1990-03-27),

13. 4908857 - Isolated drive circuit (1990-03-13),

14. 4899382 - Telephone circuit using DC blocked transformer and negative impedance (1990-02-06),

15. 4887071 - Digital activity loss detector (1989-12-12),

Company Overview

Siemens Transmission Systems, Inc., based in Phoenix, AZ, specializes in advanced transmission technologies and solutions that enhance the efficiency and reliability of electrical power systems. The company focuses on developing innovative systems for energy management, automation, and digitalization, catering to a diverse range of industries. With a commitment to sustainability and smart infrastructure, Siemens Transmission Systems plays a crucial role in shaping the future of energy transmission and distribution on a global scale.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

26 Patents

#34 in Phoenix, AZ

#162 in Arizona

#12,865 in US

#24,826 in the World

Phoenix, AZ, United States of America

Siemens Transmission Systems, Inc.

Forward Citations = 272

20 inventors:

Robert V Burns (6 out of 9 patents)

Sanjay Gupta (6 out of 6 patents)

Steven S Gorshe (3 out of 3 patents)

4. Nirmal S Virdee (3 out of 3 patents)

5. James S Butcher (2 out of 13 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Siemens Transmission Systems, Inc.. Retrieved from https://idiyas.com/company/siemens-transmission-systems

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]

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