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

John Cirino — 5 Patents

MTMaster Tool: 5 patents #1 of 2Top 50%
Waite Hill, OH: #2 of 15 inventorsTop 15%
Ohio: #15,931 of 73,341 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
John Cirino has been granted 5 US patents while listed as an inventor at Master Tool. The first was granted in 1995 and the most recent in July 2004. John Cirino ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list John Cirino in Waite Hill, OH, US.

Patents per Year

Patents granted per year, 1995 to 2004Bar chart with a peak of 1 patents in 1995.peak 11995: 1 patents19951997: 1 patents19971998: 1 patents19982001: 1 patents20012004: 1 patents2004

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6761514 Hollow mill tool 2004-07-13
6276880 Tool interconnect structure Richard P. Waiwood 2001-08-21
5704741 Valve seat tool 1998-01-06
5683212 Clamping assembly for tapered hollow shank of tooling system Richard P. Waiwood 1997-11-04
5454667 Adjustable cartridge for cutting head of a machine tool Richard P. Waiwood 1995-10-03