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

John Christopher Daffer — 2 Patents

SSSchluter Systems: 1 patents #15 of 25Top 60%
Knoxville, TN: #1,166 of 2,927 inventorsTop 40%
Tennessee: #7,603 of 20,272 inventorsTop 40%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
John Christopher Daffer has been granted 2 US patents while listed as an inventor at Schluter Systems. The first was granted in 2021 and the most recent in May 2023. John Christopher Daffer ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list John Christopher Daffer in Knoxville, TN, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11643814 Systems for recessing subfloor structures Lyle James Kelly, Joshua Price 2023-05-09
11142905 Systems for recessing subfloor structures Lyle James Kelly, Joshua Price 2021-10-12