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For the Inventor, By the Inventor

Center Valley, PA, United States of America

Howard C Rowles

This inventor holds 33 USPTO granted patents, plus 1 CIPO patent, primarily in Natural Gas Processing. Top assignee: Air Products and Chemicals, Inc.. Active years: 1977-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Howard C Rowles. Retrieved from https://idiyas.com/inventor/howard-c-rowles

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

USPTO Granted Patents = 33

% Patents Active = 97.0

 

Average Co-Inventor Count = 2.3

ph-index = 14

Forward Citations = 840(Granted Patents)


Company Filing History:

goldMedal33 out of 3,219 
 
Air Products and Chemicals, Inc.
 patents

Years Active: 1977-2003

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Areas of Expertise:
Natural Gas
Ethylene Recovery
Hydrocarbon Separation
Dephlegmator
Refrigeration
NGL Recovery
Heat Exchangers
Hydrogen Mixtures
Cryogenic Processes
Gas Expander
Dual Demethanizer
Multicomponent Refrigerant
33 patents (USPTO):Explore Patents
1. 6662589 - Integrated high pressure NGL recovery in the production of liquefied natural gas (2003-12-16),
2. 6560989 - Separation of hydrogen-hydrocarbon gas mixtures using closed-loop gas expander refrigeration (2003-05-13),
3. 6487876 - Method for providing refrigeration to parallel heat exchangers (2002-12-03),
4. 6349566 - Dephlegmator system and process (2002-02-26),
5. 6266977 - Nitrogen refrigerated process for the recovery of C2+ Hydrocarbons (2001-07-31),
6. 5983665 - Production of refrigerated liquid methane (1999-11-16),
7. 5802871 - Dephlegmator process for nitrogen removal from natural gas (1998-09-08),
8. 5741350 - Recovery of hydrocarbons from polyalkene product purge gas (1998-04-21),
9. 5634354 - Olefin recovery from olefin-hydrogen mixtures (1997-06-03),
10. 5596883 - Light component stripping in plate-fin heat exchangers (1997-01-28),
11. 5533437 - Recovery of hydrocarbons from polyalkene product purge gas (1996-07-09),
12. 5502972 - Mixed refrigerant cycle for ethylene recovery (1996-04-02),
13. 5497626 - Open loop mixed refrigerant cycle for ethylene recovery (1996-03-12),
14. 5379597 - Mixed refrigerant cycle for ethylene recovery (1995-01-10),
15. 5377490 - Open loop mixed refrigerant cycle for ethylene recovery (1995-01-03),

Title: The Innovative Journey of Howard C Rowles

Introduction:

Howard C Rowles, a distinguished inventor hailing from Center Valley, PA (US), has made significant contributions to the field of technology and innovation.

Latest Patents:

Howard C Rowles holds several patents in various technological domains, showcasing his versatility and creativity in inventing cutting-edge solutions.

Career Highlights:

With a career spanning over two decades, Howard C Rowles has been at the forefront of technological advancements. His innovative spirit and dedication have led to the development of groundbreaking inventions that have revolutionized the industry.

Collaborations:

Throughout his career, Howard C Rowles has collaborated with leading tech companies, research institutions, and universities to bring his inventions to life. His ability to work in diverse teams and leverage collective expertise has been instrumental in his success.

Conclusion:

In conclusion, Howard C Rowles stands as a beacon of innovation, inspiring the next generation of inventors to push the boundaries of what is possible in the world of technology. His legacy will continue to shape the future of innovation for years to come.

Profile summary based on public USPTO records.
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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