Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Mark Ritchie — 5 Patents

WTWaters Technologies: 3 patents #141 of 422Top 35%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Mark Ritchie has been granted 5 US patents while listed as an inventor at Waters Technologies. The first was granted in 1992 and the most recent in June 2017. Mark Ritchie ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Mark Ritchie in Singapore, ON, SG.

Patents per Year

Patents granted per year, 1992 to 2017Bar chart with a peak of 2 patents in 2017.peak 21992: 1 patents19922010: 1 patents20102016: 1 patents20162017: 2 patents2017

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9679757 Liquid chromatography systems and methods Jeremy D. Netto 2017-06-13 $72,151,000
9568454 Methods of separating lipids Stephen T.C. Wong 2017-02-14 $58,299,000
9518960 System and method for rapid analysis of polycyclic aromatic hydrocarbons Tarang Nema, Melvin Choon Lin Gay 2016-12-13 $17,208,000
D623707 Adjustable pull up and exercise bar 2010-09-14
5095589 Self-locking safety pin Frances Ritchie 1992-03-17