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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 65 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, based in Arkadelphia, AR, specializes in advanced scroll compressor technology, focusing on innovative solutions for efficient thermal management. The company develops systems that enhance oil management, capacity modulation, and multi-speed operation, ensuring optimal performance in various applications. Their expertise extends to vapor injection, thermostat control, and economizer circuits, positioning them as a key player in the HVAC and refrigeration sectors, committed to delivering cutting-edge technology for energy efficiency.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

Scroll Technologies

163 Patents

#1 in Arkadelphia, AR

#4 in Arkansas

#2,437 in US

#5,064 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 65 patents)

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

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

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