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For the Inventor, By the Inventor

Watertown, MA, United States of America

Doble Engineering Company


USPTO Granted Patents = 31


Trademarks = 13

Forward Citations = 196

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23 inventors (with patents filed for the assignee):

goldMedal George A Cavigelli (6 out of 11 patents)

silverMedal Lars P Allfather (6 out of 7 patents)

bronzeMedal Robert Clark Woodward, Jr (5 out of 5 patents)

4.  Kevin M Sullivan (5 out of 7 patents)

5.  Mark F Lachman (4 out of 4 patents)

6.  George Matthew Kennedy (3 out of 3 patents)

7.  Christopher R Hamilton (3 out of 3 patents)

8.  Scott Lee Short (3 out of 3 patents)

9.  Narendra Nagaraj (3 out of 3 patents)

10.  Fernando D Gonzalez Tristan (3 out of 3 patents)

11.  Jason Alexander Allison (2 out of 2 patents)

12.  Scott McMeekin (1 out of 4 patents)

13.  Stephen Conner (1 out of 1 patent)

14.  Carlos Gamio (1 out of 1 patent)

15.  Alan Nesbitt (1 out of 2 patents)


Core Competencies:
Relay Test Instrument
Transformer Diagnostics
Power Equipment Testing
Bulk Electrical Systems
Voltage Stress Mitigation
Partial Discharge Detection
High-Voltage Monitoring
Impedance Measuring
Switch-Mode Amplifier
Current Shunting
Motion Transducing
Power Converting

31 patents:

1. 12210441 - Relay and metering test instrument (2025-01-28),
2. 12094651 - Optimizing transformer exciting current and loss test results by dynamically managing core magnetic state (2024-09-17),
3. D1026694 - Configurable test instrument for power equipment (2024-05-14),
4. 11886324 - Relay and metering test instrument (2024-01-30),
5. 11614465 - Configurable test instrument for power equipment (2023-03-28),
6. D978686 - Configurable test instrument for power equipment (2023-02-21),
7. 11156671 - System and method for performing transformer diagnostics (2021-10-26),
8. 11032310 - Secured system for testing and maintenance of bulk electrical systems (BES) assets (2021-06-08),
9. 10623437 - Secured method for testing and maintenance of bulk electrical systems (BES) assets (2020-04-14),
10. 10545183 - System and method for performing transformer diagnostics (2020-01-28),
11. 10203364 - System and method for performing transformer diagnostics (2019-02-12),
12. 9874613 - Method and system of apparatuses for testing utility power devices (2018-01-23),
13. 9671451 - System and method for performing transformer diagnostics (2017-06-06),
14. 9632128 - Method and apparatus for testing utility power devices (2017-04-25),
15. 9482712 - Method and apparatus for testing utility power devices (2016-11-01),
Doble Engineering Company, based in Watertown, MA, specializes in advanced testing and diagnostic solutions for electrical power systems. The company focuses on enhancing the reliability and performance of electrical assets through innovative technologies and services. Doble's expertise spans various domains, including condition monitoring, asset management, and engineering consulting, serving utilities and industries worldwide. Their commitment to research and development positions them as a leader in the electrical engineering sector.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

Doble Engineering Company
31 Patents

#17 in Watertown, MA

#652 in Massachusetts

#10,912 in US

#21,217 in the World

Watertown, MA (US)
Watertown, MA, United States of America

Doble Engineering Company

Forward Citations = 196

23 inventors:

goldMedal George A Cavigelli (6 out of 11 patents)

silverMedal Lars P Allfather (6 out of 7 patents)

bronzeMedal Robert Clark Woodward, Jr (5 out of 5 patents)

4.  Kevin M Sullivan (5 out of 7 patents)

5.  Mark F Lachman (4 out of 4 patents)

Please report any incorrect information to [email protected]
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