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For the Inventor, By the Inventor

Arkadelphia, AK, United States of America

Scroll Technologies


USPTO Granted Patents = 163


Forward Citations = 2,089

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61 inventors (with patents filed for the assignee):

goldMedal Zili Sun (62 out of 67 patents)

silverMedal Thomas R Barito (55 out of 81 patents)

bronzeMedal 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 53 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
Refrigerant System
Oil Return Tube
Multi-Speed Compressor
Vapor Injection
Piezoelectric Drive
Capacity Modulation
Back Pressure Chamber
Economizer Circuit
Ductile Cast Iron
Thermostat Installation
Oil Retention

163 patents:

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.

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USPTO Data Jan 1 1976 - Dec 9 2025

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163 Patents

#1 in Arkadelphia, AK

#1 in Alaska

#2,353 in US

#4,915 in the World

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Arkadelphia, AK, United States of America

Scroll Technologies

Forward Citations = 2,089

61 inventors:

goldMedal Zili Sun (62 out of 67 patents)

silverMedal Thomas R Barito (55 out of 81 patents)

bronzeMedal 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)

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