Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Inventors › Frederick D. Cartwright
FC

Frederick D. Cartwright — 3 Patents

Germiston, ZA: #7 of 64 inventorsTop 15%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Frederick D. Cartwright has been granted 3 US patents. The first was granted in 1981 and the most recent in February 2001. Frederick D. Cartwright ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Frederick D. Cartwright in Germiston, ZA.

Patents per Year

Patents granted per year, 1981 to 2001Bar chart with a peak of 1 patents in 1981.peak 11981: 1 patents19811983: 1 patents19832001: 1 patents2001

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6192763 Method and apparatus for determining the strength path of a mortar or concrete mix — 2001-02-27
4367984 Stabilization of particulate material — 1983-01-11
4276767 Erosion potential determinations — 1981-07-07

Nearby-Ranked Inventors

Daniel Silion3
Hangfeng Li3
Mark Vander Wal3
Chad M. Goltzman3
Sathish Kumar Thanganathan3
Debbie Maloyd3
Ethan Alexander Garrett3
Paul Sabatka3
Sergii Bomko3