Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Xiaokai Niu — 14 Patents

SDSonoco Development: 14 patents #12 of 354Top 4%
Hartsville, SC: #6 of 141 inventorsTop 5%
South Carolina: #979 of 15,501 inventorsTop 7%
Overall (All Time): #332,869 of 4,157,543Top 9%
14 Patents All Time
Xiaokai Niu has been granted 14 US patents while listed as an inventor at Sonoco Development. The first was granted in 2005 and the most recent in January 2024. Xiaokai Niu ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Xiaokai Niu in Hartsville, SC, US.

Patents per Year

Patents granted per year, 2005 to 2024Bar chart with a peak of 2 patents in 2005.peak 22005: 2 patents20052006: 1 patents2010: 1 patents20102011: 2 patents2016: 1 patents20162017: 1 patents2019: 1 patents20192020: 1 patents2022: 2 patents20222023: 1 patents2024: 1 patents2024

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11858769 Web splice David E. Rhodes 2024-01-02 $13,735,000
11787103 Core with improved chuck interaction Neil Roland Davis, John F. Auten, Michael Lee Thompson, Kevin Manly Kelley, David E. Rhodes +1 more 2023-10-17 $24,134,000
11365084 Devices for lifting, maneuvering, winding and unwinding reels Russell Paul Grabowski 2022-06-21 $13,723,000
11279077 Core with improved chuck interaction Neil Roland Davis, John F. Auten, Michael Lee Thompson, Kevin Manly Kelley, David E. Rhodes +1 more 2022-03-22 $27,716,000
10759627 Devices for lifting, maneuvering, winding and unwinding reels Russell Paul Grabowski 2020-09-01 $18,351,000
10273111 Devices for lifting, maneuvering, winding and unwinding reels Russell Paul Grabowski 2019-04-30 $12,792,000
9745167 Reel with built in pallet 2017-08-29 $7,332,000
9278827 Reel with built in pallet 2016-03-08 $8,619,000
8084108 Core having enhanced ID stiffness and method for manufacturing the same David E. Rhodes, Neil Roland Davis 2011-12-27 $10,535,000
7874540 Concrete form for pouring non-round columns, and method of making same 2011-01-25 $13,760,000
7712700 Clean-release tape core Rodney McFarland, Tony F. Rummage 2010-05-11 $7,715,000
7014046 I-beam wall corner post Michael David Zold, Johannes Wilhelmus van de Camp, Yanping Qiu 2006-03-21 $7,090,000
6939590 Paperboard tube structures with one or more cut-and-folded plies Wim van de Camp 2005-09-06 $10,650,000
6851643 Spirally wound tube with enhanced inner diameter stiffness, and method of making same Yanping Qiu, Johannes Wilhelmus van de Camp, Mark Burns, Cliff Bellum 2005-02-08 $10,219,000