Roy Bates has been granted 13 US patents while listed as an inventor at Hill Phoenix . The first was granted in 1989 and the most recent in July 2025. Roy Bates ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list Roy Bates in Swift Creek Farms, VA, US.
Patents per Year Patents granted per year, 1989 to 2025 Bar chart with a peak of 2 patents in 2020. peak 2 1989: 1 patents 1989 1997: 1 patents 1998: 1 patents 1998 1999: 1 patents 2004: 1 patents 2004 2009: 1 patents 2010: 1 patents 2010 2019: 1 patents 2020: 2 patents 2020 2021: 1 patents 2024: 1 patents 2024 2025: 1 patents 2025
Issued Patents All Time
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Showing 1–13 of 13 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
12349815 Configuration for a heat exchanger in a temperature controlled case Lawrence W. Eget , Karuna Kumari Lade 2025-07-08
11892210 Valve and capillary tube system for refrigeration systems Timothy D. Swofford 2024-02-06
11029066 Valve and capillary tube system for refrigeration systems Timothy D. Swofford 2021-06-08
10765231 Discharge air straightener Lawrence W. Eget , T. Dean Swofford 2020-09-08
10588429 Refrigerated case with an induced airflow system Trifon Mirtchev 2020-03-17
10203145 Systems and methods for reducing air losses in refrigerated cases Lawrence W. Eget 2019-02-12
7644653 Coffee maker brew basket — 2010-01-12
7540232 Hot beverage maker brew basket adaptor Steve Williamson , William D. Starr 2009-06-02
6680551 Electric motor muffler John Robert Bohannon, Jr. , Brian Williamson 2004-01-20
6007048 Satellite seal arrangement for plug valve, ball valve or gate valve Tep Ungchusri , Robert Witt 1999-12-28
$5,114,000
5713389 Check valve and check valve seat Michael E. Wilson, Jr. 1998-02-03
$11,942,000
5676348 Asymmetric seal segment configuration Tep Ungchusri , Michael E. Wilson, Jr. 1997-10-14
$3,960,000
4867483 Pipe connector device Robert Witt , Stephen P. Barrett , Tep Ungchusri 1989-09-19
$2,586,000