John Willard Tolbert, Jr

This inventor holds 23 USPTO granted patents and 3 published patent applications, primarily in Compressor Technology. Top assignees: Bristol Compressors, Inc., Bristol Compressors, International Inc., Bristol Compressors Interntional, Inc.. Active years: 2000-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John Willard Tolbert, Jr. Retrieved from https://idiyas.com/inventor/john-willard-tolbert-jr

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

Calculating rank

USPTO Granted Patents = 23 (Patent Applications = 3)

% Patents Active = 34.8

Average Co-Inventor Count = 2.3

ph-index = 11

Forward Citations = 332(Granted Patents)

Company Filing History:

11 out of 64

Bristol Compressors, Inc.

patents

11 out of 13

Bristol Compressors, International Inc.

patents

1 out of 1

Bristol Compressors Interntional, Inc.

patent

Years Active: 2000-2016

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Areas of Expertise:

Compressor Technology

Hermetic Feedthrough

Fault Detection

Speed Control

Capacity Modulation

HVAC Systems

Laminated Rotor

Motor Optimization

Three Phase Motor

Pressure Equalization

Crankcase Heater

Reciprocating Compressors

23 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9279425 - Hermetic electrical feedthrough assembly for a compressor (2016-03-08),

2. 8904814 - System and method for detecting a fault condition in a compressor (2014-12-09),

3. 8790089 - Compressor speed control system for bearing reliability (2014-07-29),

4. 8672642 - System and method for starting a compressor (2014-03-18),

5. 8650894 - System and method for compressor capacity modulation in a heat pump (2014-02-18),

6. 8552293 - Hermetic electrical feedthrough assembly for a compressor and method for making the same (2013-10-08),

7. 8388318 - Hermetic crankcase heater (2013-03-05),

8. 8287245 - System and method for control of devices internal to a hermetic compressor (2012-10-16),

9. 7946123 - System for compressor capacity modulation (2011-05-24),

10. 7763808 - Hermetic electrical feedthrough assembly for a compressor and method for making the same (2010-07-27),

11. 7628028 - System and method for compressor capacity modulation (2009-12-08),

12. 7260951 - Pressure equalization system (2007-08-28),

13. 6901675 - System and method for sizing a center bore of a laminated rotor (2005-06-07),

14. 6900573 - Rotor core lamination for a laminated rotor (2005-05-31),

15. 6848495 - Method of manufacturing a laminated rotor (2005-02-01),

Title: John Willard Tolbert, Jr: Pioneering Inventor from Bristol, TN

Introduction: John Willard Tolbert, Jr is a renowned inventor hailing from Bristol, Tennessee. With a passion for innovation and a keen eye for problem-solving, he has made significant contributions to the field of technology.

Latest Patents: John Willard Tolbert, Jr holds several patents in various technological domains, showcasing his versatility and creativity in inventing new solutions to complex challenges.

Career Highlights: Throughout his illustrious career, John Willard Tolbert, Jr has been recognized for his groundbreaking inventions that have had a lasting impact on industries such as electronics, telecommunications, and automotive.

Collaborations: John Willard Tolbert, Jr has collaborated with leading research institutions, universities, and companies to bring his inventions to life. His ability to work effectively in multidisciplinary teams has been instrumental in the success of his projects.

Conclusion: John Willard Tolbert, Jr's innovative spirit and dedication to pushing the boundaries of technology have solidified his reputation as a pioneering inventor in Bristol, TN, and beyond.

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]

3 patents pending: