Donald Richard Zimmanck

This inventor holds 44 USPTO granted patents and 8 published patent applications, plus 1 CIPO patent and 5 EPO patents, primarily in Microgrid Control. Top assignee: Enphase Energy, Inc.. Active years: 2013-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Donald Richard Zimmanck. Retrieved from https://idiyas.com/inventor/donald-richard-zimmanck

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

USPTO Granted Patents = 44 (Patent Applications = 8)

% Patents Active = 100.0

CIPO Patents = 1 (Patent Applications = 3)

EPO Patents = 5 (Patent Applications = 24)

Average Co-Inventor Count = 1.5

ph-index = 5

Forward Citations = 71(Granted Patents)

Location History:

Petaluma, CA (US) (2013 - 2021)
Sebastopol, CA (US) (2021 - 2024)

Company Filing History:

44 out of 240

Enphase Energy, Inc.

patents

Years Active: 2013-2025

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Areas of Expertise:

Microgrid

Load Balancing

Energy Harvesting

Power Conditioning

Droop Control

Resonant Conversion

Voltage Management

Distributed Resources

Autonomous Charge Balancing

Inverter Technology

Current Management

Power Systems

44 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12261441 - Methods and apparatus for discharge protection in a storage system (2025-03-25),

2. 11979023 - Method and apparatus for relative value generation of resources based on knapsack algorithms (2024-05-07),

3. 11966242 - Method and apparatus for load control in a power system (2024-04-23),

4. 11594951 - Method and apparatus for rapid shutdown of islandable inverters using open circuit detection (2023-02-28),

5. 11594897 - Autonomous charge balancing of distributed AC coupled batteries with droop offset (2023-02-28),

6. 11539217 - Method and apparatus for tertiary control of microgrids with integrated over-current protection (2022-12-27),

7. 11509137 - Voltage and current management in three-phase interconnected power systems using positive and negative sequence secondary control (2022-11-22),

8. 11398731 - Method and apparatus for balancing loads on split-phase islanded systems (2022-07-26),

9. 11355936 - Method and apparatus for time-domain droop control with integrated phasor current control (2022-06-07),

10. 11289910 - Method and apparatus for impedance matching in virtual impedance droop controlled power conditioning units (2022-03-29),

11. 11201469 - Method and apparatus for automatic interleaving of cycled loads in a microgrid (2021-12-14),

12. 11190016 - Method and apparatus for increased energy harvest in a microgrid (2021-11-30),

13. 11146068 - Method and apparatus for minimizing circulating currents in microgrids (2021-10-12),

14. 11133675 - Method and apparatus for synchronizing start-up of grid-forming inverters (2021-09-28),

15. 11073807 - Method and apparatus for activation and de-activation of power conditioners in distributed resource island systems using low voltage AC (2021-07-27),

Title: The Innovative Journey of Donald Richard Zimmanck

Introduction: Donald Richard Zimmanck, a talented inventor based in Petaluma, CA, has made significant contributions to the world of innovations with his creative mind and dedication to problem-solving.

Latest Patents: Donald Richard Zimmanck holds several patents in various fields, showcasing his versatility and ingenuity in inventing new solutions to complex challenges.

Career Highlights: Throughout his career, Donald Richard Zimmanck has demonstrated a keen ability to identify gaps in the market and develop groundbreaking inventions to fill those voids. His passion for innovation has led to the creation of several successful products that have improved the lives of many.

Collaborations: Donald Richard Zimmanck has collaborated with leading research institutions, universities, and companies to bring his inventions to life. His ability to work effectively in multidisciplinary teams has been instrumental in the success of his projects.

Conclusion: Donald Richard Zimmanck's innovative spirit and commitment to excellence continue to inspire the next generation of inventors. His impact on the world of inventions is truly remarkable, and his legacy will undoubtedly endure for years to come.

Profile summary based on public USPTO records.