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Santa Clara, CA, United States of America

Metrotech Corporation

USPTO Granted Patents = 43

EPO Patents = 14

Trademarks = 6

Forward Citations = 1,136

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42 inventors (with patents filed for the assignee):

Stevan Polak (8 out of 8 patents)

James W Waite (7 out of 16 patents)

Stephen John Petherick (6 out of 8 patents)

4. Johan D Overby (6 out of 7 patents)

5. Kun Li (5 out of 6 patents)

6. George Mainescu (4 out of 4 patents)

7. John Mark Royle (4 out of 17 patents)

8. Razvan Gabriel Stefanoiu (4 out of 4 patents)

9. Ion Dracea (3 out of 3 patents)

10. Johan Överby (3 out of 3 patents)

11. Dimitar Gargov (2 out of 9 patents)

12. Chunning Zhang (2 out of 2 patents)

13. Jim Waite (2 out of 2 patents)

14. Ruwan Welaratna (2 out of 2 patents)

15. Russell N Bigelow (2 out of 2 patents)

Core Competencies:

Data Encoding

Signal Processing

Antenna Design

Cable Detection

Object Detection

Sensor Fusion

Electromagnetic Signal

Acoustic Detection

Position Sensing

Frequency Adaptation

Metal Detector

Real-Time Kinematic

43 patents: Sort by Forward Citations

1. 12537560 - Data encoding in a low frequency magnetic field (2026-01-27),

2. 12455388 - Underground line locator system with real time kinematic and global satellite positioning (2025-10-28),

3. 11474262 - Underground line locator system with real time kinematic and global satellite positioning (2022-10-18),

4. 11336013 - Antenna for underground line location (2022-05-17),

5. 10833901 - Signal select in underground line location (2020-11-10),

6. 10832455 - System and method for locating underground lines using a view-in-the-ground indicator (2020-11-10),

7. 10768330 - System and method for locating a marker using a locator with multiple transmitters (2020-09-08),

8. 10732313 - System and method for locating underground lines using motion based responsiveness (2020-08-04),

9. 10578856 - Camera skid (2020-03-03),

10. 10338263 - Signal processing for a cable locating instrument (2019-07-02),

11. 10310130 - Cable detection apparatus with a comb filter (2019-06-04),

12. 10162039 - Systems and methods for object detection (2018-12-25),

13. 10094947 - System and method for locating underground lines using antenna and positioning information (2018-10-09),

14. 10063220 - Signal generator with multiple outputs (2018-08-28),

15. 9877152 - Auto-locate operation (2018-01-23),

Company Overview

Metrotech Corporation, based in Santa Clara, CA, specializes in advanced technologies for underground utility detection and positioning. The company focuses on developing innovative solutions such as underground line locators and acoustic detection systems, enhancing the accuracy and efficiency of cable detection. With expertise in real-time kinematic positioning and global satellite positioning, Metrotech integrates sensor fusion techniques to provide precise location services, catering to industries that require reliable underground infrastructure management.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

43 Patents

#81 in Santa Clara, CA

#1,901 in California

#8,104 in US

#16,047 in the World

Santa Clara, CA, United States of America

Metrotech Corporation

Forward Citations = 1,136

42 inventors:

Stevan Polak (8 out of 8 patents)

James W Waite (7 out of 16 patents)

Stephen John Petherick (6 out of 8 patents)

4. Johan D Overby (6 out of 7 patents)

5. Kun Li (5 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Metrotech Corporation. Retrieved from https://idiyas.com/company/metrotech

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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