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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
KC

Kwok Cheung — 8 Patents

UNUnknown: 5 patents #3,065 of 83,584Top 4%
UNUS Navy: 2 patents #243 of 884Top 30%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Kwok Cheung has been granted 8 US patents while listed as an inventor at Unknown. The first was granted in 1983 and the most recent in December 2024. Kwok Cheung ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Kwok Cheung in Kwai Chung, VA, CN.

Patents per Year

Patents granted per year, 1983 to 2024Bar chart with a peak of 2 patents in 1983.peak 21983: 2 patents19831985: 1 patents19851989: 1 patents19891999: 1 patents19992000: 1 patents20002022: 1 patents20222024: 1 patents2024

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
12173965 Hybrid loop heat pipe with integrated magnetically levitating bearingless pump Gabriel B. Goodwin, Evan Hyde, Jesse R. Maxwell, Robert Baldauff, Triem T. Hoang 2024-12-24
11525636 Method and system for stabilizing loop heat pipe operation with a controllable condenser bypass Timothy J. Holman, Dmitry Khrustalev 2022-12-13
D421989 Compact disc player 2000-03-28
D413598 Compact disc player 1999-09-07
D304712 Lighted vanity mirror with hinged doors for attachment to the sun visor of an automobile 1989-11-21
D278996 Vanity mirror with hinged cover for attachment to the sun visor of an automobile 1985-05-28
D272007 Vanity mirror 1983-12-27
D267983 Vanity mirror incorporating illuminated surround 1983-02-15