Harleysville, PA, United States of America

David Ross Graham

This inventor holds 16 USPTO granted patents and 9 published patent applications, plus 3 CIPO patents and 4 EPO patents, primarily in Gas Separation Technology. Top assignee: Air Products and Chemicals, Inc.. Active years: 2003-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David Ross Graham. Retrieved from https://idiyas.com/inventor/david-ross-graham

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

Calculating rank

USPTO Granted Patents = 16 (Patent Applications = 9)

% Patents Active = 75.0

CIPO Patents = 3 (Patent Applications = 12)

EPO Patents = 4 (Patent Applications = 14)

Average Co-Inventor Count = 3.9

ph-index = 6

Forward Citations = 263(Granted Patents)

Location History:

Lansdale, PA (US) (2003 - 2005)
Harleysville, PA (US) (2004 - 2017)

Company Filing History:

16 out of 3,220

Air Products and Chemicals, Inc.

patents

Years Active: 2003-2026

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Areas of Expertise:

Gas Separation

Hydrogen Production

Flue Gas Decarbonization

Argon Production

Cold Pressure Swing Adsorption

Cryogenic Distillation

Modular Battery Charging

Isotope Production

Steam-Hydrocarbon Reforming

He-3 Recovery

Particle Loading

Pressure Swing Adsorption

16 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12708874 - STEEL MILL OFFGAS SEPARATION AND PURIFICATION (2026-08-18),

2. 12565424 - Steam-hydrocarbon reforming with low steam production (2026-03-03),

3. 12179143 - Flue gas decarbonization (2024-12-31),

4. 9708188 - Method for argon production via cold pressure swing adsorption (2017-07-18),

5. 9624105 - Process for producing hydrogen with reduced corrosion (2017-04-18),

6. 8683825 - He-3 recovery from natural helium by distillation (2014-04-01),

7. 8671715 - He-3 recovery from natural helium by distillation (2014-03-18),

8. 7569294 - Modular portable battery charging system using hydrogen fuel cells (2009-08-04),

9. 7501009 - Combined cryogenic distillation and PSA for argon production (2009-03-10),

10. 7396381 - Storage and delivery systems for gases held in liquid medium (2008-07-08),

11. 7302812 - Process for production of isotopes (2007-12-04),

12. 6866075 - Method and apparatus for uniform particle loading of vessels (2005-03-15),

13. 6802889 - Pressure swing adsorption system for gas separation (2004-10-12),

14. 6719007 - Amplitude attenuation of time-variant properties of fluid streams (2004-04-13),

15. 6607006 - Amplitude attenuation of time-variant properties of fluid streams (2003-08-19),

Title: The Innovative Journey of David Ross Graham

Introduction: David Ross Graham, a talented inventor hailing from Harleysville, PA (US), has made significant contributions to the field of innovations with his creative mind and dedication to problem-solving.

Latest Patents: David Ross Graham's latest patents showcase his commitment to pushing the boundaries of technology and improving everyday life for people around the world. His recent inventions focus on sustainability and efficiency in various industries.

Career Highlights: Throughout his illustrious career, David Ross Graham has been recognized for his groundbreaking inventions that have revolutionized the way we live and work. His innovative spirit has led to numerous patents that have had a lasting impact on society.

Collaborations: David Ross Graham has collaborated with leading companies, research institutions, and universities to bring his inventions to life. His partnerships have been instrumental in turning his visionary ideas into reality and bringing about positive change in the world.

Conclusion: In conclusion, David Ross Graham's passion for innovation and his relentless pursuit of excellence have established him as a prominent figure in the world of inventions. His remarkable contributions continue to inspire future generations of inventors to think outside the box and create a better tomorrow.

Profile summary based on public USPTO records.