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

Michael Marshall — 8 Patents

ZEZevex: 4 patents #15 of 52Top 30%
Markham, CA: #213 of 1,673 inventorsTop 15%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Michael Marshall has been granted 8 US patents while listed as an inventor at Zevex. The first was granted in 1992 and the most recent in November 2022. Michael Marshall ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Michael Marshall in Markham, ON, CA.

Patents per Year

Patents granted per year, 1992 to 2022Bar chart with a peak of 4 patents in 2015.peak 41992: 1 patents19922015: 4 patents20152017: 1 patents20172020: 1 patents20202022: 1 patents2022

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
11504465 Inline pump with rear attachable syringe 2022-11-22
10695470 Inline pump with rear attachable syringe 2020-06-30
9849221 Inline pump with rear attachable syringe 2017-12-26
D743023 Enteral feeding pump interface 2015-11-10
D739931 Enteral feeding pump cassette Jeffery T. Juretich, Michael K. Elwood 2015-09-29
D737956 Enteral feeding pump 2015-09-01
D735320 Enteral feeding pump cassette 2015-07-28
5121961 Foldable body support apparatus 1992-06-16