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

John Friede — 4 Patents

HWHwh: 3 patents #5 of 15Top 35%
Walcott, IA: #2 of 13 inventorsTop 20%
Iowa: #3,794 of 15,303 inventorsTop 25%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
John Friede has been granted 4 US patents while listed as an inventor at Hwh. The first was granted in 2003 and the most recent in May 2005. John Friede ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list John Friede in Walcott, IA, US.

Patents per Year

Patents granted per year, 2003 to 2005Bar chart with a peak of 2 patents in 2003.peak 22003: 2 patents20032004: 1 patents20042005: 1 patents2005

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6894447 Electrically actuated slide room extension Mitchell P. Schmalz 2005-05-17
6684138 Dynamic platform leveling system Mitchell P. Schmalz 2004-01-27
6665597 Automatic suspension control system for motor vehicles Paul Edmund Hanser, Mitchell P. Schmalz 2003-12-16
6590758 Wakeup and safety circuits Dan Boddicker, Mitchell P. Schmalz 2003-07-08