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For the Inventor, By the Inventor

Strattanville, PA, United States of America

Isaac S Frampton

This inventor holds 81 USPTO granted patents and 10 published patent applications and 26 EPO patents, primarily in Inverter Systems (CPC class H02P9-14). Top assignees: Kohler Company, Discovery Energy, LLC, Kohler. Active years: 2010-2026.

USPTO Granted Patents = 81 

% Patents Active = 92.6

 

Average Co-Inventor Count = 2.0

ph-index = 8

Forward Citations = 335(Granted Patents)

Forward Citations (Not Self Cited) = 279(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Waldo, WI (US) (2014)
  • Strattanvile, PA (US) (2018)
  • Strattanville, PA (US) (2010 - 2024)

Company Filing History:

goldMedal72 out of 3,573 
 
Kohler Company
 patents
silverMedal8 out of 24 
 
Discovery Energy, LLC
 patents
bronzeMedal1 out of 4 
 
Kohler
 patents

Years Active: 2010-2026

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Areas of Expertise:
Inverter
Generator
Hybrid Propulsion
Synchronous Inverter
Ground Fault Minimization
Dual Axis Alternator
Motor Generator Control
Position Detection
Electrical Machine
Waveform Measurement
Printed Circuit Board
Turbocharger
81 patents (USPTO):Explore Patents
1. 12580505 - Sensorless position detection for electric machine (2026-03-17),
2. 12368399 - Synchronous inverter (2025-07-22),
3. 12289012 - Generator and battery backup with conversion device (2025-04-29),
4. 12230969 - Offline synchronization of generators (2025-02-18),
5. 12221198 - Hybrid marine propulsion system (2025-02-11),
6. 12170464 - Reluctance sensor for detection of a position of a rotor (2024-12-17),
7. 12155198 - Ground fault minimization (2024-11-26),
8. 12126269 - Inverter system (2024-10-22),
9. 11923787 - Isolated inverters (2024-03-05),
10. 11905878 - Dual axis alternator (2024-02-20),
11. 11799342 - Printed circuit board electrical machine (2023-10-24),
12. 11777376 - Reluctance sensor for detection of position of a rotor in an electric machine (2023-10-03),
13. 11711034 - Sensorless position detection for electric machine (2023-07-25),
14. 11677331 - Interleaved inverter (2023-06-13),
15. 11667273 - Motor generator control for fixed fuel source engine (2023-06-06),

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