Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
MR

Mark Ritchie — 5 Patents

WTWaters Technologies: 3 patents #141 of 422Top 35%
Overall (All Time): #990,391 of 4,157,543Top 25%
5 Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

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