Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Norman E. Ritchie — 9 Patents

FRFreightliner: 8 patents #6 of 111Top 6%
Portland, OR: #1,884 of 9,213 inventorsTop 25%
Oregon: #4,727 of 28,073 inventorsTop 20%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
Norman E. Ritchie has been granted 9 US patents while listed as an inventor at Freightliner. The first was granted in 2001 and the most recent in July 2013. Norman E. Ritchie ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Norman E. Ritchie in Portland, OR, US.

Patents per Year

Patents granted per year, 2001 to 2013Bar chart with a peak of 3 patents in 2001.peak 32001: 3 patents20012002: 3 patents20022003: 1 patents20032005: 1 patents20052013: 1 patents2013

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
8489545 System and method for creating and maintaining pre-task planning documents 2013-07-16
6979200 Apparatus for making electrical connection to a steering wheel carried portion of an electrical circuit 2005-12-27
6647822 Vehicle shifter Sorin Anghelus 2003-11-18
6371456 Seat suspension system Michael von Mayenburg, Christopher J. Sameck, Marc Milobinski 2002-04-16
6354556 Seat suspension method Michael von Mayenburg 2002-03-12
6340152 Seat suspension vibration damper Christopher J. Sameck, Marc Milobinski 2002-01-22
6286819 Vibration damper with latch Marc Milobinski 2001-09-11
6241209 Seat support Michael von Mayenburg 2001-06-05
6199820 Seat suspension system controller 2001-03-13