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

Paul Key — 4 Patents

STScientific Technology: 1 patents #3 of 6Top 50%
Tucson, AZ: #1,522 of 6,004 inventorsTop 30%
Arizona: #8,235 of 32,909 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Paul Key has been granted 4 US patents while listed as an inventor at Scientific Technology. The first was granted in 1980 and the most recent in March 2022. Paul Key ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Paul Key in Tucson, AZ, US.

Patents per Year

Patents granted per year, 1980 to 2022Bar chart with a peak of 1 patents in 1980.peak 11980: 1 patents19802018: 1 patents20182021: 1 patents20212022: 1 patents2022

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11285344 Personal air filtration apparatus and method Michael Fineberg 2022-03-29
10967208 Personal air filtration apparatus and method 2021-04-06
10159857 Personal air filtration apparatus and method 2018-12-25
4187421 Optical relay Anthony Ross Lazzara 1980-02-05