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For the Inventor, By the Inventor

Oak Forest, IL, United States of America

Howard R Sommerfeld

This inventor holds 44 USPTO granted patents, plus 6 CIPO patents and 2 EPO patents, primarily in Railway Brake Systems. Top assignees: Wabtec Holding Corporation, Westinghouse Air Brake Company, Westinghouse Air Brake Technologies Corporation. Active years: 1987-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Howard R Sommerfeld. Retrieved from https://idiyas.com/inventor/howard-r-sommerfeld

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

USPTO Granted Patents = 44

% Patents Active = 54.5



Average Co-Inventor Count = 1.9

ph-index = 7

Forward Citations = 188(Granted Patents)


Company Filing History:

goldMedal28 out of 192 
 
Wabtec Holding Corporation
 patents
silverMedal7 out of 582 
 
Westinghouse Air Brake Company
 patents
bronzeMedal6 out of 344 
 
Westinghouse Air Brake Technologies Corporation
 patents
4. 1 out of 1,121 
 
American Standard Inc.
 patents
5. 1 out of 6 
 
Sharma & Associates, Inc.
 patents
6. 1 out of 834,513 
Other
 patents

Years Active: 1987-2015

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Areas of Expertise:
Hand Brake Assembly
Draft Gear Mechanism
Brake Hose Coupling
Parking Brake
Slack Adjuster
Energy Dissipating Damper
Quick Release Mechanism
Friction Draft Gear
Bearing Assembly
Mechanical Release
Positional Variable Orifice
High Capacity Shear
44 patents (USPTO):Explore Patents
1. 9187066 - Electrically driven set and release hand brake for rail cars (2015-11-17),
2. 8469464 - Parking brake assembly for railway vehicle brake system (2013-06-25),
3. 8307955 - Mechanical release of release holding mechanism for hand brake (2012-11-13),
4. 8256584 - Parking brake assembly for railway vehicle brake system (2012-09-04),
5. 8230985 - Parking brake assembly for railway vehicle brake system (2012-07-31),
6. 8070002 - Two piece draft gear housing having an integral yoke (2011-12-06),
7. 8070001 - Two piece draft gear housing having a integral yoke (2011-12-06),
8. 8006815 - Parking brake assembly for railway vehicle brake system (2011-08-30),
9. 7900785 - Taper under tapered plate to increase side force on the movable plate (2011-03-08),
10. 7802662 - Slack adjuster for railway vehicle brake rigging (2010-09-28),
11. 7588154 - Two piece draft gear housing having an integral yoke (2009-09-15),
12. 7540387 - Draft gear assembly (2009-06-02),
13. 7487695 - Release holding mechanism for ASR hand brake (2009-02-10),
14. 7467812 - Brake hose lifting apparatus (2008-12-23),
15. 7467724 - Locking arrangement for a bearing assembly of a male connection member for an articulated coupling apparatus (2008-12-23),

Title: The Innovative Journey of Howard R Sommerfeld

Introduction: Howard R Sommerfeld, a talented inventor hailing from Oak Forest, IL (US), has made significant contributions to the world of innovations with his creative mind and dedication.

Latest Patents: Howard R Sommerfeld's latest patents showcase his commitment to pushing the boundaries of technology and problem-solving. His recent inventions have focused on improving efficiency in renewable energy systems and enhancing user experience in the healthcare industry.

Career Highlights: Throughout his illustrious career, Howard R Sommerfeld has been recognized for his groundbreaking inventions in various fields such as sustainable energy, medical devices, and consumer electronics. His innovative solutions have earned him multiple patents and accolades in the industry.

Collaborations: Howard R Sommerfeld has collaborated with leading research institutions, universities, and tech companies to bring his ideas to life. His partnerships have been instrumental in turning his concepts into tangible products that have made a positive impact on society.

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

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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