Diwakar Garg

This inventor holds 81 USPTO granted patents and 2 published patent applications, plus 23 CIPO patents and 8 EPO patents, primarily in Hydrogen Production (CPC class 148208). Top assignees: Air Products and Chemicals, Inc., Diamonex, Incorporated, Fluor Enterprises, Inc.. Active years: 1983-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Diwakar Garg. Retrieved from https://idiyas.com/inventor/diwakar-garg

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

USPTO Granted Patents = 81 (Patent Applications = 2)

% Patents Active = 84.0

CIPO Patents = 23 (Patent Applications = 21)

EPO Patents = 8 (Patent Applications = 7)

Average Co-Inventor Count = 3.1

ph-index = 18

Forward Citations = 1,250(Granted Patents)

Forward Citations (Not Self Cited) = 1,205(Dec 10, 2025)

Inventors with similar research interests:

Paul N Dyer

Location History:

Macungie, PA (US) (1983 - 1995)
Emmaus, PA (US) (1996 - 2018)

Company Filing History:

71 out of 3,219

Air Products and Chemicals, Inc.

patents

5 out of 17

Diamonex, Incorporated

patents

2 out of 3

Fluor Enterprises, Inc.

5. 3 out of 834,570

Other

patents

where one patent can have more than one assignee

Years Active: 1983-2018

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Areas of Expertise:

Hydrogen Production

Gas Storage

Metal Film Deposition

Catalyst

Reforming

Oxidation

Complex Metal Oxides

CVD

ALD

Hydrotreating

Synthesis Gas

Electrochromic Coating

81 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9932530 - Refining used motor oil through successive hydrotreating processes (2018-04-03),

2. 8877673 - Supported catalyst and use thereof for reforming of steam and hydrocarbons (2014-11-04),

3. 8663596 - Reactor, a structure packing, and a method for improving oxidation of hydrogen sulfide or polysulfides in liquid sulfur (2014-03-04),

4. 8409521 - Tubular reactor with jet impingement heat transfer (2013-04-02),

5. 8361432 - Reactor, a retained catalyst structure, and a method for improving decomposition of polysulfides and removal of hydrogen sulfide in liquid sulfur (2013-01-29),

6. 8303929 - Process for producing a hydrogen-containing product gas (2012-11-06),

7. 8202446 - Ionic liquid based mixtures for gas storage and delivery (2012-06-19),

8. 8197914 - Method for depositing zinc oxide at low temperatures and products formed thereby (2012-06-12),

9. 8178075 - Tubular reactor with jet impingement heat transfer (2012-05-15),

10. 8038981 - Hydrogen production using complex metal oxide pellets (2011-10-18),

11. 7985449 - Methods for depositing metal films onto diffusion barrier layers by CVD or ALD processes (2011-07-26),

12. 7897128 - Preparation of complex metal oxides (2011-03-01),

13. 7824655 - Regeneration of complex metal oxides for the production of hydrogen (2010-11-02),

14. 7736420 - Contact methods for formation of Lewis gas/liquid systems and recovery of Lewis gas therefrom (2010-06-15),

15. 7622058 - Catalyst for improving the adiabatic steam reforming of natural gas (2009-11-24),

Title: **Diwakar Garg: A Trailblazer in Patent Innovation**

Introduction

Diwakar Garg, based in Emmaus, PA, is a prominent inventor with an impressive portfolio of 81 patents. His contributions primarily focus on innovations in refining processes and catalyst development, making significant strides in the field of chemical engineering.

Latest Patents

Among his latest innovations, Diwakar has developed a method for refining used motor oil through successive hydrotreating processes. This method employs multiple hydrotreating reactors arranged in series, allowing for efficient purification of used motor oil. He skillfully combines fresh and recycled hydrogen to produce hydrotreated gasoil at controlled temperatures. Another notable patent is his work on a supported catalyst for the reforming of steam and hydrocarbons. This catalyst, composed of a blend of lanthanum-stabilized alumina and other materials, exhibits unique porosity and pore volume characteristics, enhancing the reforming process.

Career Highlights

Diwakar has held pivotal roles at leading companies in the chemical sector, including Air Products and Chemicals, Inc. and Diamonex, Incorporated. His extensive experience in these firms has enabled him to drive innovative projects that lead to patentable technologies.

Collaborations

Throughout his career, Diwakar has collaborated with esteemed colleagues such as Paul N Dyer and Brian B Bonner. These partnerships have played a vital role in facilitating interdisciplinary research and development efforts, ultimately contributing to the commercial success of his inventions.

Conclusion

Diwakar Garg's impressive array of patents reflects his expertise and commitment to innovation in the chemical engineering domain. His ongoing work continues to push the boundaries of technology, making a lasting impact on the industry. With each new patent, he sets a benchmark for future inventors to aspire to in the realm of engineering and environmental sustainability.

Profile summary based on public USPTO records.