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

James HOU — 10 Patents

APActive Products: 2 patents #6 of 11Top 55%
Xerox: 1 patents #5,237 of 8,622Top 65%
Pitney Bowes: 1 patents #788 of 1,313Top 65%
Toronto, CA: #758 of 9,482 inventorsTop 8%
Overall (All Time): #481,000 of 4,157,543Top 15%
10 Patents All Time
James HOU has been granted 10 US patents while listed as an inventor at Active Products. The first was granted in 2002 and the most recent in April 2025. James HOU ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list James HOU in Toronto, ON, CA.

Patents per Year

Patents granted per year, 2002 to 2025Bar chart with a peak of 1 patents in 2002.peak 12002: 1 patents20022005: 1 patents20052011: 1 patents20112015: 1 patents20152017: 1 patents20172018: 1 patents20182020: 1 patents20202022: 1 patents20222024: 1 patents20242025: 1 patents2025

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12264660 Wobble plate pistonwater pump for use ina low flow gas pressure washer or a low current electric pressure washer Jiang-yong GU, Ming Liu, Man Chung Kenneth LAM 2025-04-01
12049879 Wobble plate piston water pump for use in a low flow gas pressure washer or a low current electric pressure washer Jiang-yong GU, Ming Liu, Man Chung Kenneth LAM 2024-07-30
11434890 Wobble plate piston water pump for use in a low flow gas pressure washer or a low current electric pressure washer Jiang-yong GU, Ming Liu, Man Chung Kenneth LAM 2022-09-06
10753347 Wobble plate piston pump for low flow gas and electric water pressure washers Jiang-yong GU, Ming Liu, Man Chung Kenneth LAM 2020-08-25
9950329 High pressure water cleaner with detachable water tank Simon Treadwell, Ming Liu 2018-04-24
9616444 High pressure water cleaner with detachable water tank Simon Treadwell, Ming Liu 2017-04-11
8955531 High pressure water cleaner with detachable water tank Simon Treadwell, Ming Liu 2015-02-17
7871019 Pressure-adjustable jet spray nozzle for cleaning machine 2011-01-18
6837492 Universal deskew feeder for a mailing machine Franklin J. Buckley 2005-01-04 $3,466,000
6418286 Electrostatographic reproduction machine having a belt conicity reducing assembly 2002-07-09 $3,568,000