For the Inventor, By the Inventor

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Arkadelphia, AR, United States of America

Scroll Technologies

USPTO Granted Patents = 163

% Expired Patents = 43.6

EPO Patents = 7

Forward Citations = 2,144

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61 inventors (with patents filed for the assignee):

Zili Sun (62 out of 67 patents)

Thomas R Barito (55 out of 81 patents)

Jason J Hugenroth (49 out of 64 patents)

4. John Robert Williams (48 out of 63 patents)

5. Joe T Hill (34 out of 61 patents)

6. Carlos Armando Zamudio (32 out of 35 patents)

7. James William Bush (30 out of 119 patents)

8. Greg Hahn (20 out of 20 patents)

9. Tracy Lanier Milliff (19 out of 25 patents)

10. Gene Michael Fields (18 out of 23 patents)

11. Gregory William Hahn (16 out of 56 patents)

12. Alexander Lifson (15 out of 173 patents)

13. Robert Carl Witham (8 out of 8 patents)

14. David M Fenocchi (8 out of 8 patents)

15. Todd W Dewar (6 out of 6 patents)

Core Competencies:

Scroll Compressor

Oil Management

Multi-Speed System

Capacity Modulation

Vapor Injection

Thermostat Control

Back Pressure Chamber

Economizer Circuit

Motor Protector

Ductile Cast Iron

Flow Restriction

Diagnostic System

163 patents: Sort by Forward Citations

1. 8105054 - Oil return tube aligned over motor protector in scroll compressor (2012-01-31),

2. 8096793 - Ductile cast iron scroll compressor (2012-01-17),

3. 8079228 - Refrigerant system with multi-speed scroll compressor and economizer circuit (2011-12-20),

4. 7938634 - Self-modulated scroll compressor with optimized built-in volume ratio (2011-05-10),

5. 7934915 - Valve assembly for scroll compressor (2011-05-03),

6. 7857603 - Piezoelectric drive for scroll compressor (2010-12-28),

7. 7766628 - Sealed compressor with structure on lower housing shell to assist weld placement (2010-08-03),

8. 7721562 - Refrigerant system with multi-speed scroll compressor and economizer circuit (2010-05-25),

9. 7686599 - Scroll compressor with device to limit orbit radius (2010-03-30),

10. 7674098 - Scroll compressor with vapor injection and unloader port (2010-03-09),

11. 7641456 - Scroll compressor with back pressure chamber cavity for assisting in start-up (2010-01-05),

12. 7547195 - Scroll compressor with high side to low side oil bleed valve (2009-06-16),

13. 7481632 - Scroll compressor with an oil passage plug to limit oil flow (2009-01-27),

14. 7476092 - Scroll compressor with tapered slider block (2009-01-13),

15. 7431576 - Ductile cast iron scroll compressor (2008-10-07),

Scroll Technologies is a leading global technology company that specializes in developing innovative software solutions. With a team of highly skilled professionals, we provide cutting-edge solutions and services to clients across various industries. Our expertise lies in areas such as artificial intelligence, machine learning, data analytics, and cloud computing. We are committed to delivering tailored solutions that drive business growth and help our clients stay ahead in today's digital era.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

Scroll Technologies

163 Patents

#1 in Arkadelphia, AR

#4 in Arkansas

#2,432 in US

#5,054 in the World

Arkadelphia, AR, United States of America

Scroll Technologies

Forward Citations = 2,144

61 inventors:

Zili Sun (62 out of 67 patents)

Thomas R Barito (55 out of 81 patents)

Jason J Hugenroth (49 out of 64 patents)

4. John Robert Williams (48 out of 63 patents)

5. Joe T Hill (34 out of 61 patents)

Please report any incorrect information to [email protected]

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