John Robert Williams

This inventor holds 63 USPTO granted patents and 2 published patent applications and 1 EPO patent, primarily in Scroll Compressor Technology (CPC class 418 ). Top assignees: Scroll Technologies, American Standard Inc., Alliance Compressors Inc.. Active years: 1992-2014.

USPTO Granted Patents = 63 (Patent Applications = 2)

% Patents Active = 73.0

EPO Patents = 1

Average Co-Inventor Count = 4.4

ph-index = 18

Forward Citations = 1,092(Granted Patents)

Forward Citations (Not Self Cited) = 1,076(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Tyler, TX (US) (1992 - 1998)
Bristol, TN (US) (1995 - 2000)
Arkadelphia, AR (US) (1998 - 2006)
Bristol, VA (US) (2000 - 2014)

Company Filing History:

American Standard Inc.

patents

3 out of 6

Alliance Compressors Inc.

patents

4. 3 out of 64

Bristol Compressors, Inc.

patents

5. 3 out of 13

Bristol Compressors, International Inc.

patents

6. 1 out of 14

Danfoss Scroll Technologies, LLC

patents

7. 1 out of 834,350

Other

patents

Years Active: 1992-2014

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Areas of Expertise:

Compressor Diagnostics

Capacity Modulation

Oil Flow Optimization

Motor Control

Variable Discharge Port

Anti-Reverse Clutch

Low Volt Power

Refrigerant Cycle

Heat Shield

Scroll Components

Fault Detection

Sealed Compressor

63 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8904814 - System and method for detecting a fault condition in a compressor (2014-12-09),

2. 8672642 - System and method for starting a compressor (2014-03-18),

3. 8337183 - Oil return valve for a scroll compressor (2012-12-25),

4. 7992399 - Pressure equalization component for a compressor (2011-08-09),

5. 7083397 - Scroll compressor with motor control for capacity modulation (2006-08-01),

6. 6966759 - Compressor diagnostic and recording system (2005-11-22),

7. 6964558 - Compressor utilizing low volt power tapped from high volt power (2005-11-15),

8. 6722861 - Scroll compressor with motor control for capacity modulation (2004-04-20),

9. 6682327 - Method of aligning scroll compressor components (2004-01-27),

10. 6682323 - Simplified stamped counterweight (2004-01-27),

11. 6641379 - Load bearing ribs for fixed scroll (2003-11-04),

12. 6641368 - Compressor utilizing low volt power tapped from high volt power (2003-11-04),

13. 6634874 - Scroll compressor with anti-reverse rotation clutch (2003-10-21),

14. 6619934 - Scroll compressor with motor control for capacity modulation (2003-09-16),

15. 6599109 - Scroll compressor with improved oil flow (2003-07-29),

Title: John Robert Williams - Pioneering Inventor from Bristol, VA

Introduction: John Robert Williams is a renowned inventor hailing from Bristol, VA, known for his groundbreaking contributions to various industries.

Latest Patents: John Robert Williams holds several patents in the fields of technology, healthcare, and consumer products, with his most recent inventions focusing on sustainable energy solutions.

Career Highlights: With a career spanning over two decades, John Robert Williams has established himself as a leading innovator, having worked for top companies and research institutions, where he spearheaded numerous successful projects.

Collaborations: Throughout his career, John Robert Williams has collaborated with fellow inventors, patent attorneys, and industry experts to bring his ideas to life, resulting in the development of cutting-edge technologies that have revolutionized their respective fields.

Conclusion: John Robert Williams continues to push the boundaries of innovation, with his passion for creating impactful solutions that address real-world challenges setting him apart as a visionary inventor in Bristol, VA.