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For the Inventor, By the Inventor

George Town, Cayman Islands

Jd Holding Inc.

Calculating rank
USPTO Granted Patents = 8


Trademarks = 2

Forward Citations = 74

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7 inventors (with patents filed for the assignee):

goldMedal Timothy David John Hennessy (4 out of 10 patents)

silverMedal Gary Lepp (2 out of 5 patents)

bronzeMedal Matthew A M Harper (2 out of 3 patents)

4.  Matthew Albert MacLennan Harper (1 out of 3 patents)

5.  Andy Peter Klassen (1 out of 2 patents)

6.  Colin Earl MacKenzie Vincent (1 out of 1 patent)

7.  Jocelyne Devilleneuve (1 out of 1 patent)

8.  Bradley R Williams (6 patents)

9.  David Genders (0 patent)

10.  Clive Brereton (0 patent)

11.  Andy Klassen (0 patent)

12.  Matthew Albert Maclennan Harper (0 patent)


8 patents:

1. D898290 - Combined tweezer and brush (2020-10-06),
2. 9853454 - Vanadium redox battery energy storage system (2017-12-26),
3. 9853306 - System and method for optimizing efficiency and power output from a vanadium redox battery energy storage system (2017-12-26),
4. 8709629 - Systems and methods for redox flow battery scalable modular reactant storage (2014-04-29),
5. 8277964 - System and method for optimizing efficiency and power output from a vanadium redox battery energy storage system (2012-10-02),
6. 7740977 - Vanadium redox battery incorporating multiple electrolyte reservoirs (2010-06-22),
7. 7687193 - Electrochemical battery incorporating internal manifolds (2010-03-30),
8. 7682728 - Electrochemical battery incorporating internal manifolds (2010-03-23),
Company Overview
JD Holding Inc. is a leading investment company specializing in real estate, technology, and healthcare sectors. With a diverse portfolio of properties and businesses, JD Holding Inc. prides itself on delivering innovative solutions and creating lasting value for its investors and partners.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

8 Patents

#22 in George Town

#106 in Cayman Islands

George Town, KY
George Town, Cayman Islands

Jd Holding Inc.

Forward Citations = 74

7 inventors:

goldMedal Timothy David John Hennessy (4 out of 10 patents)

silverMedal Gary Lepp (2 out of 5 patents)

bronzeMedal Matthew A M Harper (2 out of 3 patents)

4.  Matthew Albert MacLennan Harper (1 out of 3 patents)

5.  Andy Peter Klassen (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Jd Holding Inc.. Retrieved from https://idiyas.com/company/jd-holding

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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