James A Mennell

This inventor holds 68 USPTO granted patents and 52 published patent applications, plus 10 CIPO patents and 5 EPO patents, primarily in Biogenic Carbon Technologies. Top assignees: Carbon Technology Holdings, LLC, Biogenic Reagents Ventures, LLC, Biogenic Reagent Ventures, LLC. Active years: 2014-2026.

USPTO Granted Patents = 68 (Patent Applications = 52)

% Patents Active = 100.0

CIPO Patents = 10 (Patent Applications = 30)

EPO Patents = 5 (Patent Applications = 46)

Average Co-Inventor Count = 2.6

ph-index = 19

Forward Citations = 875(Granted Patents)

Location History:

Dellwood, MN (US) (2014 - 2022)
Brighton, UT (US) (2022 - 2024)

Company Filing History:

64 out of 81

Carbon Technology Holdings, LLC

patents

3 out of 3

Biogenic Reagents Ventures, LLC

patents

1 out of 1

Biogenic Reagent Ventures, LLC

patent

Years Active: 2014-2026

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Areas of Expertise:

Biogenic Activated Carbon

High-Carbon Reagents

Carbon Micro-Plant

Pyrolysis Liquids

Biocarbon Pellets

Halogenated Compositions

Carbon-Negative Products

Biomass Conversion

Mesoporous Carbon

Biocarbon Blends

Energy Enhancement

Metal Ore Bio-Reduction

68 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12723211 - High-carbon biogenic reagents and uses thereof (2026-09-01),

2. 12703832 - Water-resistant and durable biocarbon pellets, and methods for making and using the same (2026-08-11),

3. 12680044 - High-carbon biogenic reagents and uses thereof (2026-07-14),

4. 12674110 - High-carbon biogenic reagents and uses thereof (2026-07-07),

5. 12674109 - High-carbon biogenic reagents and uses thereof (2026-07-07),

6. 12674108 - High-carbon biogenic reagents and uses thereof (2026-07-07),

7. 12662641 - High-carbon biogenic reagents and uses thereof (2026-06-23),

8. 12662633 - Low-water-intensity biocarbon products, and processes for producing low-water-intensity biocarbon products (2026-06-23),

9. 12655487 - Carbon-negative metallurgical products (2026-06-16),

10. 12655362 - Biocarbon pellets with adjustable grindability index (2026-06-16),

11. 12655061 - Biocarbon compositions with optimized compositional parameters, and processes for producing the same (2026-06-16),

12. 12649959 - Biomass pyrolysis integrated with bio-reduction of metal ores, hydrogen production, and/or activated-carbon production (2026-06-09),

13. 12611649 - Biogenic activated carbon and methods of making and using same (2026-04-28),

14. 12605691 - Carbon micro-plant (2026-04-21),

15. 12577488 - Systems and apparatus for production of high-carbon biogenic reagents (2026-03-17),

Title: **James A Mennell: Innovator in Halogenated Activated Carbon Compositions**

Introduction

James A Mennell, based in Dellwood, MN, is a prolific inventor with a remarkable portfolio comprising 34 patents. His work focuses on innovations in activated carbon technologies, showcasing a unique approach to improving environmental and industrial processes.

Latest Patents

Mennell's latest contributions include a patent for halogenated activated carbon compositions, which outlines methods of making and utilizing these materials. This invention features a composition made up of carbon, a halogenated compound, and a salt. The invention emphasizes the use of naturally occurring salt mixtures, such as those derived from ocean water, salt lake water, and even Dead Sea salt, illustrating Mennell's commitment to using sustainable resources in his innovations.

Career Highlights

Throughout his career, James A Mennell has been associated with notable companies including Carbon Technology Holdings, LLC and Biogenic Reagents Ventures, LLC. His expertise and innovative mindset have played a pivotal role in advancing the field of activated carbon technologies.

Collaborations

Mennell has worked alongside esteemed colleagues such as Daniel J Despen and Steve Filips, fostering a collaborative environment that has led to significant advancements in their shared field of expertise.

Conclusion

With a strong patent portfolio and a focus on innovative solutions, James A Mennell continues to push the boundaries of technology in halogenated activated carbon compositions. His work exemplifies the spirit of innovation and collaboration that drives progress in the industry.